Every endpoint, data source, and improvement we ship to the Eulerpool Financial Data API — from stock prices to macroeconomic indicators.
new
GraphQL API beta — Query exactly the fields you need
Eulerpool now supports GraphQL alongside REST. Request only the fields you need in a single query — no over-fetching, no under-fetching. Combine stock prices, financials, estimates, and ownership data in one request with full type safety and IDE autocompletion.
POST /v1/graphql — single endpoint for all financial data
Introspection and schema explorer in the developer dashboard
Combine data from multiple REST endpoints in a single round-trip
Fragments, aliases, and variables for complex financial queries
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Custom index builder API — Create proprietary indices programmatically
Build and maintain custom stock indices with the Eulerpool API. Define constituent universes, weighting methodologies (market cap, equal, fundamental, or custom), rebalancing schedules, and backtest your index against benchmarks with full historical simulation.
/v1/indices/custom — create, update, and delete custom index definitions
Market-cap, equal-weight, fundamental, and custom weighting methodologies
Automated rebalancing with configurable frequency and buffer rules
Full historical backtest with daily NAV, risk metrics, and attribution
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Portfolio optimization API — Efficient frontier and asset allocation
Run mean-variance optimization, Black-Litterman models, and risk parity calculations server-side. Upload your portfolio or define asset classes, and receive optimized allocations with efficient frontier curves, expected returns, and risk decomposition.
/v1/portfolio/optimize — mean-variance and Black-Litterman optimization
/v1/portfolio/risk-parity — risk parity and equal risk contribution allocations
/v1/portfolio/efficient-frontier — full efficient frontier with 100 portfolios
Constraint support: sector limits, position bounds, turnover, and tracking error
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AI-powered earnings call analysis — NLP insights from 10,000+ transcripts
Machine learning models analyze every earnings call transcript to extract management sentiment, forward guidance signals, key topic frequency, and risk factor mentions. Quantify qualitative data at scale for 10,000+ US-listed companies.
/v1/transcripts/{ticker}/latest — full earnings call transcript with speaker labels
/v1/transcripts/{ticker}/sentiment — NLP sentiment scores by section
Key phrase extraction and topic modeling across quarterly calls
Management tone change detection quarter-over-quarter
new
Dark pool and off-exchange data — ATS volume and trade routing analytics
Access FINRA-reported dark pool volume, off-exchange trade percentages, and alternative trading system activity for all US equities. Essential for understanding true liquidity, institutional order flow, and market microstructure analysis.
/v1/darkpool/{ticker}/volume — dark pool vs. lit exchange volume breakdown
/v1/darkpool/{ticker}/ats — ATS-level breakdown by venue
Short volume ratio from FINRA daily short sale files
Historical dark pool percentage trends for flow analysis
new
MCP Server — Native Model Context Protocol support
Eulerpool is now a native MCP server. Connect Claude, Cursor, Windsurf, or any MCP-compatible AI agent to institutional-grade financial data with a single line of configuration.
47 financial data tools available via MCP
Works with Claude Desktop, Cursor, Windsurf, and any MCP client
Real-time stock prices, financials, and macro data inside AI workflows
Zero-config tool discovery — agents automatically see all available endpoints
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Excel and Google Sheets add-in — Financial data in your spreadsheet
Pull real-time stock prices, financial statements, analyst estimates, and macroeconomic data directly into Excel or Google Sheets. No coding required — install the add-in and use simple formulas like =EP.PRICE("AAPL") to access 100,000+ securities.
Excel add-in for Windows and Mac — available on Microsoft AppSource
Google Sheets add-on — install from Google Workspace Marketplace
200+ spreadsheet functions covering all API endpoints
Auto-refresh with configurable intervals for live data
new
R SDK v1 — Native R client with tidyverse integration
Official R package for the Eulerpool API. Built for quantitative analysts and academic researchers with native tibble output, pipe-friendly syntax, and seamless integration with ggplot2, dplyr, and the tidyverse ecosystem.
install.packages("eulerpool") — available on CRAN
Pipe-friendly API with native tibble and data.frame output
Seamless integration with ggplot2, dplyr, and tidyverse
Vignettes and RMarkdown templates for reproducible financial analysis
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Java SDK v1 — Enterprise-grade client with Spring Boot integration
Official Java SDK for the Eulerpool API. Built for enterprise applications with Spring Boot auto-configuration, reactive WebClient support, connection pooling, and circuit breaker patterns. Compatible with Java 17+, Kotlin, and Gradle/Maven build systems.
Maven Central: com.eulerpool:eulerpool-java — add to pom.xml or build.gradle
Spring Boot starter with auto-configuration and application.yml support
Reactive API with Project Reactor for non-blocking I/O
Circuit breaker, retry policies, and connection pool management built-in
new
WebSocket streaming — Real-time data via persistent connections
Subscribe to real-time price updates via WebSocket. Sub-10ms latency with microsecond timestamps. Available on Pro and Enterprise plans.
wss://stream.eulerpool.com/v1/subscribe endpoint
Subscribe to multiple symbols in a single connection
Heartbeat and automatic reconnection support
Available for equities, FX, and commodities
improvement
Superinvestor portfolio tracking — 13F filings parsed in real time
Track the holdings and trades of Warren Buffett, Ray Dalio, Bill Ackman, and 500+ institutional investors. Parsed from SEC 13F filings within hours of publication, with position-level changes, new buys, and complete sells.
/v1/institutional/{cik}/holdings — current quarter portfolio
/v1/institutional/{cik}/activity — buys, sells, and position changes
Filter by sector, market cap, or conviction (% of portfolio)
Historical 13F data back to 2013 for trend analysis
new
Webhook and event notifications — Real-time alerts for price and filing triggers
Configure webhook endpoints to receive instant notifications when stocks hit price targets, earnings are released, insider trades are filed, or any other financial event occurs. Replace polling with push-based event delivery for trading and monitoring systems.
/v1/webhooks — create, list, update, and delete webhook subscriptions
Guaranteed delivery with retry logic and event replay for missed notifications
new
Real-time order book data — Level 2 market depth and bid/ask queues
Access Level 2 market depth data with full order book snapshots and incremental updates. See bid and ask queues at every price level for US equities, giving you the granularity needed for execution analysis, market making, and liquidity assessment.
/v1/orderbook/{ticker}/snapshot — full order book at all price levels
/v1/orderbook/{ticker}/top — best bid/ask with size and exchange attribution
WebSocket subscription for real-time order book delta updates
NBBO, depth-weighted mid-price, and order book imbalance indicators
improvement
Batch endpoints — Query 100 symbols in one call
New batch endpoints let you query up to 100 symbols in a single API call. One call = one request against your daily limit, regardless of how many symbols you include.
POST /v1/equities/batch/prices — batch price quotes
POST /v1/equities/batch/financials — batch fundamentals
Access every stock trade reported by US senators and representatives under the STOCK Act. Parsed from official disclosures within hours, with politician profiles, party breakdowns, and historical trading performance.
/v1/congress/trades — all disclosed trades with filters
/v1/congress/{member}/history — individual trading history
Filter by party, chamber, committee, or ticker
Includes estimated trade value ranges and transaction dates
new
Revenue segmentation API — Business line and geographic breakdowns
Access revenue breakdowns by business segment, product line, and geography for 5,000+ public companies. Parsed from 10-K annual filings and earnings supplements, fully normalized for cross-company comparison and segment-level investment analysis.
/v1/segments/{ticker}/revenue — revenue by business segment
/v1/segments/{ticker}/geographic — revenue by region and country
Segment-level operating income, margins, and growth rates
Historical segment data back to 2010 for trend analysis
new
Share buyback and capital return tracker — Repurchase programs via API
Track share repurchase programs, buyback execution rates, and total capital return metrics for every US public company. Monitor board authorizations, quarterly buyback volumes, and remaining program capacity to assess shareholder return priorities.
/v1/buybacks/{ticker}/programs — active and completed repurchase authorizations
/v1/buybacks/{ticker}/activity — quarterly shares repurchased and dollar amounts
Total capital return: buybacks + dividends as percent of free cash flow
Remaining buyback authorization capacity and program expiry dates
new
M&A deal pipeline — Merger and acquisition tracker with deal terms
Track every announced merger, acquisition, and leveraged buyout in real time. Access deal terms, premium paid, financing structure, regulatory status, and expected closing dates. Essential for merger arbitrage strategies and corporate event analysis.
/v1/ma/deals — active and completed M&A transactions with deal terms
/v1/ma/deals/{id}/timeline — regulatory filings, approvals, and milestones
Deal premium, enterprise value, EV/EBITDA multiple, and financing breakdown
Merger arbitrage spread calculation with probability-adjusted returns
new
Debt maturity schedule API — Corporate bond maturities and refinancing risk
Access the complete debt maturity profile for every public company. See upcoming bond maturities, coupon payments, credit facility expirations, and refinancing needs broken down by year. Critical for credit analysis, distressed investing, and financial modeling.
/v1/debt/{ticker}/maturity-schedule — upcoming maturities by year
/v1/debt/{ticker}/instruments — individual bonds, loans, and credit facilities
Weighted average cost of debt, duration, and interest coverage metrics
Refinancing risk scoring based on maturity wall and credit conditions
new
Macroeconomic data API — 200+ countries, 1,000+ indicators
Full macroeconomic data coverage including GDP, CPI, interest rates, unemployment, PMI, and trade balance across 200+ countries.
/v1/macro/{country}/{indicator} endpoints
Economic calendar with upcoming releases
Central bank decision tracking
50+ years of historical macro data
new
Analyst estimates and consensus data — Wall Street coverage at API scale
Access Wall Street analyst estimates for revenue, EPS, EBITDA, and free cash flow. Includes consensus data, individual analyst ratings, price targets, and earnings surprise history for 10,000+ stocks globally.
Surprise history with actual vs. estimate and beat/miss percentage
new
Executive compensation data — C-suite pay packages and equity awards
Access CEO, CFO, and named executive officer compensation data parsed from DEF 14A proxy statements. Total compensation, base salary, annual bonus, stock awards, option grants, and pension values for 5,000+ US public companies.
/v1/compensation/{ticker}/executives — named executive officer pay packages
/v1/compensation/{ticker}/directors — board of directors compensation
Say-on-pay vote results and shareholder approval percentages
CEO pay ratio, pay-for-performance alignment, and peer benchmarking
new
Supply chain mapping API — Supplier, customer, and partner relationships
Map corporate supply chains with supplier and customer relationship data extracted from SEC filings, earnings calls, and proprietary databases. Identify revenue concentration risks, trace dependencies, and monitor supply chain disruptions in real time.
/v1/supply-chain/{ticker}/suppliers — key suppliers with revenue estimates
/v1/supply-chain/{ticker}/customers — major customers and revenue concentration
Multi-tier supply chain traversal for upstream/downstream analysis
Supply chain disruption alerts and geographic risk scoring
new
Lobbying and political spending data — Corporate influence via API
Access corporate lobbying expenditures, PAC contributions, and political spending disclosures for every US public company. Parsed from OpenSecrets, FEC filings, and Senate lobbying disclosures with industry-level aggregation and trend analysis.
/v1/lobbying/{ticker}/expenditures — annual lobbying spend by issue area
/v1/lobbying/{ticker}/pac — PAC contributions by party and candidate
Industry-level lobbying totals and top spenders by sector
Historical spending trends back to 2000 for long-term analysis
improvement
Python SDK v2 — Async support and pandas integration
Major update to the Python SDK with native async/await support, direct pandas DataFrame output, and improved type hints.
async/await support for all endpoints
.to_dataframe() method on all responses
Full type hints for IDE autocompletion
Automatic retry with exponential backoff
new
Insider trading data — SEC Form 4 filings via API
Real-time access to insider buys and sells from SEC Form 4 filings. Track purchases and dispositions by CEOs, CFOs, directors, and 10% owners across all US-listed companies.
/v1/insider/{ticker}/transactions — insider buys and sells
/v1/insider/latest — most recent insider filings across all companies
Filter by transaction type, insider role, or minimum dollar value
Includes ownership details, shares held, and filing dates
new
Social media sentiment — Reddit, X, and StockTwits buzz analytics
Track retail investor sentiment across Reddit (r/wallstreetbets, r/stocks), X (formerly Twitter), and StockTwits in real time. Mention volume, sentiment polarity, trending tickers, and viral post detection — updated every 15 minutes.
/v1/social/{ticker}/sentiment — aggregated social media sentiment score
/v1/social/{ticker}/volume — mention count across platforms over time
/v1/social/trending — top trending tickers by social momentum
Platform-level breakdown: Reddit, X, StockTwits, and financial forums
new
Fair value estimates API — Intrinsic value models for 8,000+ stocks
Access model-derived fair value estimates based on discounted cash flow analysis, comparable company multiples, and dividend discount models. Compare current market prices to estimated intrinsic value with margin of safety calculations for value investing.
/v1/fair-value/{ticker} — current fair value estimate with model methodology
/v1/fair-value/{ticker}/dcf — discounted cash flow model inputs and outputs
Margin of safety, upside/downside potential, and valuation rating
new
Patent filing analytics — Innovation metrics from USPTO and EPO data
Track corporate innovation activity through patent filings, grants, and citations. Access USPTO and European Patent Office data with company-level patent counts, technology classifications, citation networks, and R&D productivity metrics for 10,000+ companies.
/v1/patents/{ticker}/filings — patent applications and grants by year
/v1/patents/{ticker}/citations — citation counts and forward citation impact
Technology classification by IPC and CPC codes with industry mapping
Patent quality scoring based on citations, claims breadth, and family size
new
Options & futures data — Full derivatives coverage
Complete US options chain data with Greeks, implied volatility surfaces, and futures term structure curves.
/v1/options/{ticker}/chain — full options chains
/v1/options/{ticker}/greeks — real-time Greeks
/v1/futures/{symbol}/curve — term structure
Intraday IV surface snapshots
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Dividend calendar and history API — Ex-dates, pay dates, and yield data
Comprehensive dividend data including upcoming ex-dividend dates, payment schedules, dividend yield, payout ratios, and complete dividend history. Covers common stocks, REITs, ETFs, and preferred shares.
/v1/dividends/{ticker}/history — complete dividend history
/v1/dividends/calendar — upcoming ex-dates and pay dates
Dividend growth rate, payout ratio, and yield calculations
Special dividends, stock splits, and spin-off adjustments included
new
Volatility data API — VIX, implied vol rank, skew, and term structure
Access real-time and historical volatility data including the CBOE VIX index, individual stock IV rank and percentile, volatility skew curves, and term structure. Essential for options pricing, risk management, and volatility trading strategies.
/v1/volatility/vix — real-time VIX index with intraday history
/v1/volatility/{ticker}/iv-rank — implied volatility rank and percentile
/v1/volatility/{ticker}/skew — put/call skew by expiration
/v1/volatility/{ticker}/term-structure — IV term structure curve
new
Sector rotation analytics — Relative strength and fund flow rotation
Analyze sector rotation dynamics with relative strength rankings, fund flow momentum, and business cycle phase indicators. Identify which sectors are leading or lagging the market with quantitative models based on price momentum, earnings revisions, and ETF flows.
/v1/sectors/rotation — current sector relative strength rankings
/v1/sectors/flows — net fund flows by sector from ETF data
/v1/sectors/cycle — business cycle phase indicator with sector recommendations
Relative rotation graph (RRG) data for visual sector comparison
new
Stock screener API — Filter 100,000+ securities programmatically
Build custom stock screeners in your application with 200+ fundamental, technical, and alternative filters. Screen by valuation multiples, growth metrics, profitability ratios, technical indicators, and sector classification.
Paginated results with total count for building UI tables
new
Earnings calendar API — Reporting dates, EPS estimates, and transcripts
Never miss an earnings date. Access confirmed and estimated reporting dates, pre-market vs. after-hours timing, EPS and revenue estimates, and actual results as soon as they are released.
/v1/earnings/calendar — upcoming earnings dates for all US stocks
/v1/earnings/{ticker}/history — historical earnings with actual vs. estimate
Pre-market and after-hours reporting time included
Filter by date range, sector, market cap, or index membership
new
Market breadth indicators — Advance/decline, new highs/lows, McClellan oscillator
Track market-wide breadth indicators to gauge the health and direction of the overall stock market. Advance/decline ratios, new 52-week highs and lows, McClellan oscillator and summation index, Arms (TRIN) index, and percent of stocks above key moving averages.
/v1/breadth/advance-decline — daily advancing vs. declining issues
/v1/breadth/new-highs-lows — new 52-week highs and lows by exchange
/v1/breadth/mcclellan — McClellan oscillator and summation index
/v1/breadth/above-ma — percent of stocks above 50-day and 200-day MA
new
Backtesting engine API — Server-side strategy testing with one call
Backtest trading strategies entirely server-side without downloading raw data. Define entry/exit rules, position sizing, rebalancing frequency, and receive full performance analytics including returns, drawdowns, Sharpe ratio, and trade-by-trade logs.
POST /v1/backtest — submit strategy definition and receive full results
Rule-based and signal-based strategy definitions with JSON schema
Performance metrics: CAGR, Sharpe, Sortino, max drawdown, Calmar ratio
Trade log with entry/exit dates, prices, P&L, and holding period
new
Correlation matrix API — Cross-asset correlation and covariance analysis
Generate correlation and covariance matrices for any set of assets over any time period. Essential for portfolio construction, diversification analysis, and risk management. Supports equities, ETFs, bonds, commodities, FX, and crypto in a single matrix.
POST /v1/correlation — correlation matrix for up to 500 assets
POST /v1/covariance — covariance matrix for portfolio optimization inputs
Rolling correlation with configurable window for regime detection
Cross-asset class support: equities, bonds, commodities, FX, and crypto
new
ETF holdings and flow data — Complete ETF analytics
Full ETF coverage with daily updated holdings, sector breakdowns, country allocations, and fund flow data. Covers 3,000+ US-listed ETFs including leveraged, inverse, and thematic funds.
/v1/etf/{ticker}/holdings — complete holdings with weights
/v1/etf/{ticker}/flows — daily, weekly, and monthly fund flows
Expense ratio, AUM, inception date, and issuer metadata
improvement
Historical intraday data — 1-minute bars back to 2010
Extended intraday price history now available for US equities. Download 1-minute, 5-minute, 15-minute, 30-minute, and 1-hour OHLCV bars with adjusted prices and volume going back to 2010.
/v1/equities/{ticker}/intraday — configurable interval and date range
Pre-market and after-hours data included (4:00 AM – 8:00 PM ET)
Split-adjusted and dividend-adjusted pricing options
Up to 30 days of data per request with pagination for longer ranges
new
Shareholder activism tracker — 13D filings, proxy fights, and campaigns
Monitor activist investor campaigns in real time. Track Schedule 13D filings, proxy fight announcements, board seat demands, and campaign outcomes for Elliott, Icahn, Starboard, ValueAct, and 200+ other activist investors worldwide.
/v1/activism/{ticker}/campaigns — active and historical activist campaigns
/v1/activism/filings — latest Schedule 13D and 13D/A filings
Campaign timeline: demands, board nominations, proxy votes, and outcomes
Activist investor profiles with historical campaign win rates
new
Global trade data — Import/export volumes by country and commodity
Access international trade flow data covering import and export volumes, trade balances, and tariff schedules across 200+ countries and 5,000+ commodity codes. Track global supply chain shifts, trade war impacts, and commodity demand patterns.
/v1/trade/{country}/exports — export data by commodity and destination
/v1/trade/{country}/imports — import data by commodity and origin
/v1/trade/flows/{commodity} — global trade flows for specific commodities
HS code classification with 2-digit, 4-digit, and 6-digit granularity
new
IPO calendar and SPAC tracker — New listing data via API
Track upcoming IPOs, recent listings, and SPAC mergers. Includes pricing details, underwriters, valuation metrics, and first-day performance data.
/v1/ipo/calendar — upcoming IPOs with expected pricing dates
/v1/ipo/recent — recently listed stocks with first-day returns
/v1/spac/active — active SPACs with trust value and deadline
Filter by sector, expected market cap, and exchange
new
Financial statements API — Income statement, balance sheet, cash flow
Access standardized financial statements for 10,000+ public companies. Quarterly and annual income statements, balance sheets, and cash flow statements with 20+ years of history, fully normalized for cross-company comparison.
/v1/financials/{ticker}/income — revenue, EBITDA, net income, EPS
TTM (trailing twelve months) and LTM calculations included
improvement
GICS and industry classification — Sector, industry group, and sub-industry codes
Every company now includes Global Industry Classification Standard (GICS) codes, ICB sector classifications, SIC codes, and NAICS codes. Filter, screen, and group securities by standardized industry taxonomies used by institutional investors and index providers worldwide.
GICS sector, industry group, industry, and sub-industry for all securities
ICB, SIC, and NAICS classification codes in company profiles
/v1/sectors — list all sectors with constituent counts and aggregate metrics
Sector-level metrics: average P/E, median revenue growth, total market cap
new
Consumer spending indicators — Credit card trends and retail analytics
Track consumer spending patterns through anonymized and aggregated credit card transaction data, retail foot traffic, and e-commerce metrics. Identify revenue trends before earnings reports with alternative data signals covering 500+ public retailers and consumer brands.
/v1/consumer/{ticker}/spending — indexed spending trends by category
Year-over-year and week-over-week transaction growth metrics
Seasonal adjustment and holiday normalization for clean trend analysis
new
Cryptocurrency market data — 5,000+ coins and tokens
Real-time and historical pricing for 5,000+ cryptocurrencies across 20+ exchanges. Includes market cap rankings, trading volume, circulating supply, and OHLCV candles from 1-minute to monthly intervals.
/v1/crypto/{symbol}/quote — real-time price, volume, market cap
/v1/crypto/rankings — market cap rankings with 24h change
Exchange-specific pricing from Binance, Coinbase, Kraken, and more
new
Forex rates API — 150+ currency pairs with tick-level data
Real-time and historical foreign exchange rates for 150+ currency pairs. Includes spot rates, forward rates, and cross rates with bid/ask spreads. Ideal for currency conversion, FX risk management, and international financial modeling.
/v1/fx/{pair}/quote — real-time spot rate with bid/ask
/v1/fx/convert — convert amounts between any two currencies
Central bank reference rates (ECB, Fed, BOJ, BOE) included
new
Money market rates API — SOFR, SONIA, EURIBOR, and overnight benchmarks
Access real-time and historical money market benchmark rates including SOFR, Fed Funds, SONIA, EURIBOR, and 20+ other interbank reference rates. Critical for derivatives pricing, floating-rate loan benchmarking, and fixed income portfolio valuation.
/v1/rates/sofr — Secured Overnight Financing Rate with full history
/v1/rates/euribor — EURIBOR term rates (1W, 1M, 3M, 6M, 12M)
/v1/rates/fed-funds — effective federal funds rate and target range
SONIA, TONA, SARON, and other risk-free reference rates included
new
Private company financials — Revenue and valuation for 500,000+ firms
Access estimated revenue, valuation, employee count, funding history, and ownership data for 500,000+ private companies worldwide. Powered by regulatory filings, news extraction, and proprietary models for pre-IPO analysis, competitive intelligence, and private market research.
/v1/private/{company}/financials — estimated revenue, EBITDA, and valuation
/v1/private/{company}/funding — funding rounds, investors, and post-money valuations
/v1/private/search — search private companies by name, industry, or location
Covers US, Europe, and Asia-Pacific with 500,000+ private companies
new
Satellite and alternative data signals — Foot traffic, shipping, and aerial imagery
Access alternative data derived from satellite imagery, mobile device geolocation, and IoT sensors. Retail foot traffic counts, parking lot occupancy, oil storage tank fill levels, shipping container volumes, and agricultural crop health indices for data-driven investing.
/v1/alt-data/{ticker}/foot-traffic — retail location visit counts and trends
/v1/alt-data/shipping — global container shipping volume indices
/v1/alt-data/oil-storage — crude oil floating and onshore storage estimates
Agricultural crop condition indices from satellite NDVI analysis
new
Bond and fixed income data — Government and corporate bonds
Comprehensive fixed income coverage including US Treasury yields, corporate bond spreads, municipal bonds, and sovereign debt. Yield curves, credit ratings, maturity profiles, and coupon schedules for institutional-grade fixed income analytics.
/v1/bonds/treasury/yields — US Treasury yield curve (1M to 30Y)
/v1/bonds/corporate/{cusip} — corporate bond details, yield, spread
/v1/bonds/indices — investment-grade and high-yield index levels
Duration, convexity, and spread-to-benchmark calculations
improvement
Node.js SDK v1 — TypeScript-first with tree shaking
Official Node.js SDK for the Eulerpool API. Fully typed with TypeScript declarations, tree-shakeable ESM exports, and built-in retry logic. Works with Node.js 18+, Deno, and Bun.
npm install eulerpool — published on npm
Full TypeScript support with generated types from OpenAPI spec
Tree-shakeable — import only the endpoints you need
Built-in rate limiting, retry with backoff, and request queuing
new
Government bond auction data — Treasury auction results and demand metrics
Access results from US Treasury auctions including accepted yields, bid-to-cover ratios, direct and indirect bidder allocations, and tail spreads. Covers T-bills, T-notes, T-bonds, TIPS, and FRNs with auction data back to 2000.
/v1/auctions/treasury — upcoming and completed Treasury auction results
Bid-to-cover ratio, high yield, median yield, and tail spread
Direct, indirect, and dealer allocation percentages
TIPS, FRN, and nominal coupon auction schedules and results
new
Credit ratings API — Corporate and sovereign credit ratings with history
Access current credit ratings and complete rating action history for corporate bonds, sovereign debt, and structured products. Track upgrades, downgrades, outlook changes, and watch placements from all three major rating agencies.
/v1/ratings/{ticker} — current ratings from S&P, Moody's, and Fitch
Outlook and watch status: positive, negative, stable, and developing
Sovereign credit ratings for 150+ countries with outlook history
new
Sovereign CDS spreads — Country credit risk pricing via API
Access real-time and historical credit default swap spreads for 80+ sovereign issuers. CDS spreads provide market-implied default probabilities and credit risk pricing that complement fundamental credit ratings for sovereign debt analysis and emerging market risk assessment.
/v1/cds/sovereign/{country} — current CDS spread by tenor (1Y to 10Y)
/v1/cds/sovereign/{country}/history — historical spread time series
Market-implied probability of default from CDS pricing
CDS basis vs. cash bond spreads for relative value analysis
new
Green bond and sustainable finance data — ESG-labeled debt instruments
Access the growing universe of green bonds, social bonds, sustainability-linked bonds, and transition bonds. Issuance data, use-of-proceeds categories, second-party opinions, and alignment with the EU Taxonomy, ICMA Green Bond Principles, and Climate Bonds Standard.
/v1/green-bonds — global green and sustainability bond universe
/v1/green-bonds/{isin}/details — use of proceeds, SPO, and framework alignment
Issuance trends by country, sector, currency, and bond type
EU Taxonomy alignment, ICMA classification, and CBI certification status
new
Mutual fund data API — NAV, holdings, and performance
Access net asset values, portfolio holdings, expense ratios, and total return performance for 30,000+ mutual funds. Includes Morningstar-style category classification, risk metrics, and historical NAV going back 20+ years.
/v1/mutual-funds/{ticker}/nav — daily net asset value
/v1/mutual-funds/{ticker}/holdings — top holdings with weights
Expense ratio, turnover, minimum investment, and fund family metadata
new
News and sentiment API — Financial news with NLP scoring
Real-time financial news aggregated from 1,000+ sources with machine learning sentiment scores. Filter by ticker, sector, or topic. Ideal for event-driven trading strategies, media monitoring, and alternative data analysis.
/v1/news/sentiment/{ticker} — sentiment score over time
Sentiment classified as bullish, bearish, or neutral with confidence score
Deduplicated across sources — no duplicate stories
new
Real estate and REIT analytics — NOI, FFO, cap rates, and property data
Specialized analytics for real estate investment trusts and property companies. Access funds from operations (FFO), net operating income (NOI), capitalization rates, occupancy rates, and property-level data for 200+ publicly traded REITs across all property types.
/v1/reits/{ticker}/metrics — FFO, AFFO, NOI, and NAV per share
/v1/reits/{ticker}/properties — property portfolio with occupancy and lease data
Cap rate, dividend yield, and FFO payout ratio calculations
REIT sector breakdown: residential, office, retail, industrial, healthcare, data center
new
Pension and endowment data — Institutional allocation and performance
Track the investment allocations, returns, and asset class exposures of 1,000+ US public pension funds and university endowments. Understand how the largest institutional investors allocate across equities, fixed income, real estate, private equity, and hedge funds.
/v1/pensions/{fund}/allocation — asset class allocation breakdown
/v1/pensions/{fund}/returns — annual and cumulative investment returns
Benchmarking against median allocation and return by fund size
new
Hedge fund performance indices — Strategy-level returns and AUM tracking
Access hedge fund performance data aggregated by strategy. Track returns for long/short equity, global macro, event-driven, managed futures, credit, and multi-strategy funds. Includes AUM trends, fund flow data, and dispersion metrics for manager selection.
/v1/hedge-funds/indices — strategy-level performance indices
/v1/hedge-funds/flows — aggregate AUM and fund flow trends by strategy
Strategy coverage: L/S equity, global macro, event-driven, CTA, credit, multi-strat
Return dispersion and quartile analysis for manager benchmarking
new
Commodities data API — Metals, energy, and agriculture
Real-time and historical pricing for 50+ commodities including gold, silver, crude oil (WTI & Brent), natural gas, wheat, corn, soybeans, coffee, and more. Spot prices, futures curves, and seasonal patterns.
/v1/commodities/{symbol}/futures — futures curve with expiry dates
Covers COMEX, NYMEX, ICE, and LME contracts
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Index constituents API — S&P 500, NASDAQ-100, Russell 2000, and more
Retrieve current and historical constituents of major stock market indices. Know exactly which stocks are in the S&P 500, NASDAQ-100, Dow Jones, Russell 2000, FTSE 100, DAX 40, and 50+ other indices worldwide.
/v1/index/{index}/constituents — current members with weights
/v1/index/{index}/changes — additions and removals with effective dates
Historical constituent snapshots for backtesting
Covers US, European, Asian, and emerging market indices
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Convertible bonds and preferred stock data — Hybrid securities via API
Access pricing, terms, and analytics for convertible bonds, preferred stock, and other hybrid securities. Conversion ratios, call schedules, credit spreads, and theoretical value for convertible arbitrage and income-focused investment strategies.
/v1/convertibles/{cusip} — convertible bond details, price, and yield
/v1/preferred/{ticker} — preferred stock listings with dividend rates
Conversion ratio, conversion premium, and parity calculations
Call schedule, put provisions, and make-whole premium details
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Warrant and rights offering data — Derivative equity securities via API
Access pricing, terms, and exercise schedules for equity warrants, SPAC warrants, and shareholder rights offerings. Includes strike prices, expiration dates, dilution calculations, and theoretical value based on Black-Scholes and binomial models.
/v1/warrants/{ticker} — outstanding warrants with strike, expiry, and dilution
/v1/warrants/{ticker}/history — historical warrant price and trading volume
/v1/rights/{ticker} — active rights offerings with subscription terms
Theoretical warrant value using Black-Scholes and binomial pricing models
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Carbon credit and emissions trading data — EU ETS, RGGI, and voluntary markets
Track carbon credit prices, trading volumes, and allowance allocations across major emissions trading systems. Covers EU ETS, RGGI, California Cap-and-Trade, and voluntary carbon offset markets for ESG compliance, carbon portfolio management, and climate-focused investing.
/v1/carbon/eu-ets — EU Emissions Trading System allowance prices and volume
/v1/carbon/rggi — Regional Greenhouse Gas Initiative auction results
/v1/carbon/voluntary — voluntary carbon offset prices by project type
Historical price data, compliance deadlines, and allocation schedules
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Company profiles and search — Ticker lookup and company metadata
Search for companies by name, ticker, ISIN, or CUSIP. Get comprehensive company profiles including sector, industry, employees, market cap, description, executives, and exchange listing details.
/v1/search?query={query} — fuzzy search by name, ticker, or ISIN
/v1/company/{ticker}/peers — similar companies by sector and market cap
Covers 100,000+ securities across 90+ exchanges globally
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Rate limit upgrade — 5x higher limits across all plans
Increased rate limits for every pricing tier. Free plan now allows 5 requests/second. Pro plan increased to 30 requests/second. Enterprise customers get dedicated rate limits with burst capacity.
Free: 5 req/s (was 1), 500 req/day (was 250)
Pro: 30 req/s (was 10), unlimited daily requests
Enterprise: custom rate limits with burst allowance
X-RateLimit headers in every response for easy tracking
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API sandbox and playground — Interactive testing with sample data
Test any API endpoint instantly in the browser with pre-configured sample data. The interactive playground includes auto-generated code snippets in Python, JavaScript, Go, and R, response previews with syntax highlighting, and request history for debugging.
Interactive API playground at eulerpool.com/developers/playground
Auto-generated code snippets in Python, Node.js, Go, R, and cURL
Sample data mode — test without using your API quota
Request history with response caching for comparison and debugging
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Proxy voting and corporate governance data — ISS and Glass Lewis recommendations
Access proxy voting records, shareholder proposal outcomes, board composition analytics, and governance best practice scores. Includes ISS and Glass Lewis vote recommendations for say-on-pay, director elections, and shareholder proposals across all Russell 3000 companies.
/v1/governance/{ticker}/votes — proxy voting results for all ballot items
/v1/governance/{ticker}/board — board composition, tenure, diversity, and independence
ISS and Glass Lewis vote recommendations for upcoming proxy votes
Governance scoring: board independence, anti-takeover provisions, shareholder rights
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Technical indicators API — SMA, EMA, RSI, MACD, and 50+ more
Compute technical indicators server-side without downloading raw data. 50+ indicators including simple and exponential moving averages, RSI, MACD, Bollinger Bands, ATR, Stochastic oscillator, and Fibonacci retracement levels.
/v1/technicals/{ticker}/sma — simple moving average (any period)
/v1/technicals/{ticker}/rsi — relative strength index
/v1/technicals/{ticker}/macd — MACD line, signal, and histogram
Bollinger Bands, ATR, Stochastic, OBV, VWAP, and more
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ESG scores and sustainability data — Environmental, social, governance ratings
Access ESG ratings, carbon emission data, diversity metrics, and governance scores for 8,000+ companies. Aligned with SASB, GRI, and TCFD frameworks for sustainable investing and ESG screening.
/v1/esg/{ticker}/scores — overall ESG score and pillar breakdown
/v1/esg/{ticker}/emissions — Scope 1, 2, and 3 carbon emissions
/v1/esg/leaders — top-rated ESG companies by sector
Controversy monitoring and UN Global Compact alignment flags
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Cross-listing and ADR data — Depositary receipts and dual-listed securities
Access American Depositary Receipt (ADR) data including underlying foreign shares, depositary banks, ADR ratios, and cross-listed security mappings. Essential for international portfolio construction, ADR arbitrage, and foreign equity analysis.
/v1/adr/{ticker} — ADR details, depositary bank, and underlying ratio
/v1/adr/{ticker}/premium — ADR premium/discount to home market price
Cross-listing mappings between US and foreign exchange tickers
Sponsored vs. unsponsored ADR classification and level (I, II, III)
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Bank regulatory capital data — Basel III ratios and stress test results
Access regulatory capital ratios, leverage ratios, liquidity coverage ratios, and Federal Reserve stress test results for all US and European banks. Essential for bank stock analysis, credit risk assessment, and regulatory compliance monitoring.
/v1/banks/{ticker}/capital — CET1, Tier 1, Total Capital, and leverage ratios
/v1/banks/{ticker}/liquidity — LCR, NSFR, and deposit concentration metrics
/v1/banks/stress-tests — Fed DFAST and CCAR stress test results
Quarterly call report data: NIM, provisions, charge-offs, and NPL ratios
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Insurance statutory filings — NAIC data for P&C and life insurers
Access insurance company statutory financial data from NAIC filings. Combined ratios, loss ratios, premium growth, reserve adequacy, and risk-based capital ratios for property & casualty, life, and health insurance companies listed on US exchanges.
/v1/insurance/{ticker}/statutory — NAIC statutory financials and ratios
/v1/insurance/{ticker}/premiums — net written premiums by line of business
Combined ratio, loss ratio, expense ratio, and underwriting margin
Risk-based capital ratios and A.M. Best, S&P, and Fitch insurer ratings
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SEC filings API — 10-K, 10-Q, 8-K, and all SEC forms
Programmatic access to SEC EDGAR filings. Retrieve 10-K annual reports, 10-Q quarterly reports, 8-K current events, proxy statements, and all other SEC forms with full-text search and parsed financial data.
/v1/sec/{ticker}/filings — all SEC filings by company
/v1/sec/filing/{accession} — individual filing with parsed data
Full-text search across all filings
Direct links to original filing documents on EDGAR
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International market expansion — 30 new exchanges added
Added coverage for 30 new stock exchanges including Johannesburg (JSE), Saudi (Tadawul), Taiwan (TWSE), Vietnam (HOSE), and Buenos Aires (BCBA). Eulerpool now covers 90+ exchanges across 50+ countries.
JSE, Tadawul, TWSE, HOSE, BCBA, and 25 more exchanges
End-of-day prices, fundamentals, and corporate actions
Local currency and USD-converted pricing available
ISIN-based lookup for all international securities
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Economic calendar API — Central bank meetings, NFP, CPI, and GDP release dates
Never miss a market-moving economic event. Access the complete economic calendar with central bank rate decisions, non-farm payrolls, CPI releases, GDP reports, PMI data, and 500+ other scheduled macroeconomic releases across 50+ countries.
/v1/calendar/economic — upcoming economic releases with consensus estimates
/v1/calendar/central-banks — Fed, ECB, BOJ, BOE meeting dates and decisions
Previous, consensus, and actual values with surprise calculations
Filter by country, importance level, and event category
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Sovereign wealth fund tracker — Government investment fund holdings
Track the equity holdings and investment strategies of 40+ sovereign wealth funds worldwide. Access portfolio allocations for Norway GPFG, Abu Dhabi ADIA, Singapore GIC and Temasek, Saudi PIF, and other major government-owned investment vehicles.
/v1/swf/{fund}/holdings — equity holdings with sector and country allocation
/v1/swf/{fund}/changes — quarterly position changes and new investments
Total AUM, investment mandate, and asset class allocation breakdown
Coverage: GPFG, ADIA, GIC, Temasek, PIF, CIC, KIA, and 30+ more
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Short interest and fail-to-deliver data — Borrow analytics via API
Track short selling activity with bi-weekly short interest reports, daily fail-to-deliver data from the SEC, short interest ratio (days to cover), and short percent of float for all US equities.
/v1/short-interest/{ticker} — current short interest and ratio
/v1/short-interest/{ticker}/history — historical short interest
/v1/ftd/{ticker} — fail-to-deliver data from SEC
Short percent of float, days to cover, and cost to borrow
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Corporate actions API — Splits, mergers, spin-offs, and more
Access all corporate actions including stock splits, reverse splits, mergers, acquisitions, spin-offs, rights offerings, and name changes. Essential for maintaining adjusted price series and portfolio tracking.
/v1/corporate-actions/{ticker} — all actions for a company
Stock split ratios, effective dates, and adjustment factors
M&A deal terms, acquirer, target, and status tracking
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Securities lending data — Short availability, borrow cost, and utilization
Access real-time securities lending data including shares available to borrow, borrow cost (fee rate), utilization percentage, and days to cover. Essential for short sellers, prime brokers, and risk managers monitoring hard-to-borrow securities and crowded shorts.
/v1/lending/{ticker} — current borrow cost, availability, and utilization
/v1/lending/{ticker}/history — historical borrow fee and availability trends
/v1/lending/hard-to-borrow — securities with >80% utilization or high fees
Lendable supply, on-loan quantity, and days-to-cover calculations
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Margin requirement data — Reg-T, portfolio margin, and maintenance levels
Access initial margin, maintenance margin, and portfolio margin requirements for US equities, options, and futures. Includes Reg-T calculations, exchange-specific margin rates, and concentrated position surcharges for portfolio risk management.
/v1/margin/{ticker} — Reg-T initial and maintenance margin requirements
/v1/margin/{ticker}/portfolio — portfolio margin rates and offsets
Exchange-specific margin rates for options, futures, and leveraged ETFs
Concentrated position and special margin requirement surcharges
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Financial ratios and valuation multiples — 100+ calculated metrics
Pre-calculated financial ratios and valuation multiples for every public company. P/E, P/B, EV/EBITDA, PEG ratio, ROE, ROA, ROIC, debt-to-equity, current ratio, quick ratio, and 90+ more — all updated daily.
/v1/ratios/{ticker} — all financial ratios in one call
/v1/ratios/{ticker}/history — historical ratio trends
Profitability: ROE, ROA, ROIC, gross margin, net margin, FCF yield
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Go SDK — Idiomatic Go client with context support
Official Go SDK for the Eulerpool API. Designed for Go idioms with context.Context support, struct-based responses, and zero external dependencies.
go get github.com/eulerpool/eulerpool-go
Context-based cancellation and timeout support
Struct-based responses — no map[string]interface{} parsing
Connection pooling and automatic retry built-in
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Risk metrics and factor exposure API — Beta, VaR, Sharpe, and Fama-French factors
Access pre-calculated risk metrics for every security including beta, Value at Risk, Sharpe ratio, Sortino ratio, maximum drawdown, and factor exposures. Fama-French three-factor and five-factor model loadings for academic research and portfolio risk management.
/v1/risk/{ticker}/metrics — beta, alpha, Sharpe, Sortino, max drawdown
/v1/risk/{ticker}/var — Value at Risk at 95% and 99% confidence levels
/v1/risk/{ticker}/factors — Fama-French factor loadings and R-squared
Rolling risk metrics with configurable lookback periods
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Yield curve modeling API — Nelson-Siegel, Svensson, and spline interpolation
Fit yield curve models to observed Treasury and corporate bond yields. Access Nelson-Siegel, Svensson, and cubic spline interpolated curves with parameter estimates, fitted yields at any maturity, and forward rate extraction for fixed income analytics and derivatives pricing.
/v1/yield-curve/treasury — US Treasury fitted yield curve (any maturity)
/v1/yield-curve/corporate/{rating} — corporate yield curves by credit quality
Nelson-Siegel and Svensson model parameters with goodness-of-fit metrics
Forward rate extraction and instantaneous forward rate curves
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Equity quote API — Real-time and delayed stock prices
Real-time and 15-minute delayed stock quotes for US and international equities. Includes last price, bid/ask, open, high, low, close, volume, VWAP, 52-week range, and market cap — updated tick-by-tick for real-time subscribers.
/v1/equities/{ticker}/quote — real-time or delayed quote
Institutional ownership data — Who owns what and how much
Access institutional ownership data from SEC 13F filings. See which hedge funds, mutual funds, pension funds, and asset managers hold a stock. Track quarterly position changes for 5,000+ institutions.
/v1/ownership/{ticker}/institutional — top institutional holders
Percent of shares held by institutions vs. insiders vs. retail
Filter by institution type: hedge fund, mutual fund, pension, endowment
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Central bank balance sheet data — Fed, ECB, and BOJ asset holdings
Track central bank balance sheet expansion and contraction with detailed asset breakdowns. Federal Reserve, ECB, Bank of Japan, and Bank of England holdings including treasuries, MBS, corporate bonds, and special lending facilities.
/v1/central-banks/fed/balance-sheet — Fed total assets and liabilities
/v1/central-banks/ecb/balance-sheet — ECB balance sheet with TLTRO details
Treasury, MBS, corporate bond, and repo facility holdings breakdown
Weekly updates with historical data back to 2008 financial crisis
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Portfolio attribution API — Performance decomposition by sector, factor, and security
Decompose portfolio returns into sector allocation, security selection, currency, and factor contributions. Brinson-Fachler attribution for equity portfolios, duration/spread attribution for fixed income, and multi-period linking for quarterly and annual performance reports.
POST /v1/attribution — upload holdings and benchmark for full attribution
Brinson-Fachler sector allocation and security selection effects
Factor attribution: market, size, value, momentum, quality, and volatility
Multi-period compounding with Carino, Menchero, or GRAP linking methods
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Custom alert rules API — Programmable price, volume, and fundamental alerts
Create custom alert rules that trigger when any combination of price, volume, fundamental, or technical conditions are met. Build complex watchlists with multi-condition alerts and receive notifications via webhook, email, or in-app messages.
/v1/alerts/rules — create multi-condition alert rules with AND/OR logic
Condition types: price, volume, P/E ratio, RSI, moving average crossover
Frequency controls: once, every occurrence, or daily digest
Delivery channels: webhook, email, SMS, and in-app notification
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Market coverage API — Exchange metadata and trading calendars
Query which exchanges are covered, their trading hours, market holidays, and supported ticker symbology. Essential for building global trading applications that need to know when markets are open.
/v1/exchanges — list of all supported exchanges
/v1/exchanges/{mic}/calendar — trading holidays and half-days
/v1/exchanges/{mic}/hours — regular, pre-market, and after-hours sessions
MIC, Bloomberg, Reuters, and ISIN symbology mappings
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OpenAPI 3.1 specification — Machine-readable API documentation
Published the complete API specification in OpenAPI 3.1 format. Generate client libraries in any language, import into Postman, or use with API gateway tools. The spec powers our interactive documentation.
Full OpenAPI 3.1 YAML available at /api/v1/documentation/yaml
Auto-generated SDKs for 40+ languages via OpenAPI Generator
Postman collection import with one click
Request/response schemas with examples for every endpoint
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Bulk data exports — Full dataset downloads in CSV and Parquet format
Download complete datasets for offline analysis, backtesting, and data warehousing. Export end-of-day prices, financial statements, analyst estimates, and reference data for all securities in CSV or Apache Parquet format with incremental daily updates.
/v1/bulk/prices — end-of-day OHLCV for all securities in one file
/v1/bulk/financials — quarterly and annual statements for all companies
CSV and Apache Parquet format options with gzip compression
Incremental daily updates — download only what changed since last export
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Seasonality patterns API — Historical monthly and day-of-week return patterns
Analyze seasonal return patterns for any security. Access average monthly returns, day-of-week effects, pre-holiday rallies, turn-of-month patterns, and options expiration week behavior based on 20+ years of historical data for evidence-based timing strategies.
/v1/seasonality/{ticker}/monthly — average returns by calendar month
/v1/seasonality/{ticker}/events — pre-earnings, ex-dividend, and OpEx effects
Statistical significance testing with t-statistics and p-values
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Status page and uptime monitoring — Real-time API health dashboard
Live status page showing real-time health, response times, and historical uptime for every Eulerpool API endpoint. Subscribe to incident notifications via email, SMS, or webhook. Current uptime: 99.97% over the trailing 12 months across all endpoints.
status.eulerpool.com — live API health dashboard with per-endpoint status
Historical uptime metrics: 99.97% availability over trailing 12 months
Incident notifications via email, SMS, Slack, PagerDuty, and webhook
Scheduled maintenance windows announced 72 hours in advance
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Eulerpool Financial Data API — Public launch
Today we are launching the Eulerpool Financial Data API. Institutional-quality financial data for developers, quants, and fintech companies. 100,000+ securities, 90+ exchanges, 140+ endpoints. One API key, one consistent JSON format.
Equities, bonds, commodities, crypto, FX, ETFs, and more
Free tier with 250 daily requests — no credit card required
Interactive API documentation with live code examples
Hosted on globally distributed infrastructure with 99.9% uptime SLA
Frequently asked questions
Eulerpool ships updates weekly. New endpoints, data sources, and improvements are released continuously. All changes are documented in this changelog with release dates, descriptions, and migration notes. Breaking changes are announced at least 30 days in advance.
Subscribe to the changelog RSS feed, follow our status page, or enable email notifications in your dashboard. Enterprise customers receive direct communication for any changes that affect their integration. All updates are versioned and backward-compatible by default.
Yes. The API is versioned (currently v1). New features are added within the current version without breaking existing integrations. When breaking changes are necessary, a new version is released with a migration period. Older versions are supported for at least 12 months after deprecation.
Deprecated endpoints are announced at least 30 days before removal. The changelog and API documentation are updated with migration guides. Deprecated endpoints return a Deprecation header in responses so you can identify usage in your code. Enterprise customers receive direct notification.
Yes. Submit feature requests via email or through the developer dashboard. We prioritize based on demand and feasibility. Enterprise customers can request custom endpoints and data sources as part of their agreement. Many community-requested features make it into the roadmap.
Eulerpool covers equities, bonds, commodities, crypto, forex, ETFs, mutual funds, options, futures, macroeconomic indicators, and alternative data. This includes real-time and historical stock prices, financial statements (income statement, balance sheet, cash flow), analyst estimates, insider trading, congressional trades, institutional 13F holdings, ESG scores, technical indicators, dividend data, IPO calendars, SEC filings, and more — covering 100,000+ securities across 90+ exchanges.
Eulerpool provides institutional-quality financial data at a fraction of the cost of Bloomberg Terminal or Refinitiv Eikon. Unlike legacy platforms, Eulerpool is API-first with modern JSON responses, SDKs for Python, Node.js, and Go, and developer-friendly documentation. Free tier available with no credit card required. Enterprise plans include dedicated support and custom SLAs.
Yes. Eulerpool provides the historical data, real-time quotes, technical indicators, and fundamental data needed for algorithmic trading strategies and backtesting. Historical intraday data goes back to 2010 with 1-minute resolution. The Python SDK integrates directly with pandas DataFrames for quantitative analysis. WebSocket streaming provides sub-10ms latency for live trading.
Yes. The SEC filings endpoint provides access to all SEC EDGAR filing types including 10-K annual reports, 10-Q quarterly reports, 8-K current event reports, proxy statements, and insider transaction forms (Form 4). Filings are parsed and indexed for full-text search with direct links to the original documents on EDGAR.
Yes. Eulerpool offers a free tier with 500 daily API requests and no credit card required. The free tier includes access to all endpoints — stock prices, financial statements, analyst estimates, macroeconomic data, and more. Sign up at eulerpool.com/developers/register and get your API key in seconds.
Yes. Eulerpool supports both REST and GraphQL APIs. The GraphQL endpoint at POST /v1/graphql lets you request exactly the fields you need in a single query — combine stock prices, financial statements, analyst estimates, and ownership data without over-fetching. Full introspection support with a built-in schema explorer in the developer dashboard.
Yes. Eulerpool provides FINRA-reported dark pool volume, off-exchange trade percentages, ATS-level venue breakdowns, and short volume ratios for all US equities. This data is essential for understanding institutional order flow, true liquidity conditions, and market microstructure analysis.
Yes. The earnings transcript API provides full transcripts with speaker labels for 10,000+ US-listed companies. Machine learning models analyze each transcript to extract management sentiment scores, forward guidance signals, key topic frequency, and quarter-over-quarter tone changes — turning qualitative commentary into quantifiable data.
Eulerpool provides pre-calculated risk metrics including beta, alpha, Sharpe ratio, Sortino ratio, maximum drawdown, and Value at Risk (VaR) at 95% and 99% confidence levels. Factor exposure data includes Fama-French three-factor and five-factor model loadings with R-squared values. All metrics support configurable rolling lookback periods for academic research and portfolio risk management.
Yes. The credit ratings API provides current ratings and complete rating action history from all three major agencies. Track upgrades, downgrades, outlook changes, and CreditWatch placements for corporate bonds and sovereign debt across 150+ countries. Historical rating timelines enable credit migration analysis and default probability modeling.
Yes. The Eulerpool Excel add-in and Google Sheets add-on let you pull financial data directly into spreadsheets using simple formulas. Over 200 spreadsheet functions cover all API endpoints — stock prices, financial statements, analyst estimates, macroeconomic data, and more. Available on Microsoft AppSource and Google Workspace Marketplace with auto-refresh support.
Eulerpool offers extensive alternative data including social media sentiment from Reddit, X, and StockTwits; dark pool and off-exchange volume analytics; congressional stock trading disclosures; supply chain relationship mapping; satellite-derived insights; patent filing activity; executive compensation details; shareholder activism tracking; and ESG sustainability scores. These datasets enable alpha generation beyond traditional fundamental and technical analysis.