API Documentation

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GET/api/1/market/options/{ticker}

Options Chain API

Returns the options chain (calls & puts) for a US-listed ticker via CBOE, grouped by expiration. Defaults to the nearest upcoming expiration; pass ?expiration=YYYY-MM-DD for a specific expiry or ?expiration=all for the full chain.

Parameters

Required first. Documented defaults are selected — Test Request matches a bare call.

3
tickerstringrequired
path

Ticker symbol (e.g. AAPL)

expirationstringoptional
query

Expiration date (YYYY-MM-DD), "all" for the full chain, or omit for the nearest expiration

Optional. Omit to skip.

strikenumberoptional
query

Filter by exact strike price

Optional. Omit to skip.

Responses

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Request
curl -X GET \
  'https://api.eulerpool.com/api/1/market/options/AAPL' \
  -H 'Accept: application/json'
200 Response
{
  "ticker": "AAPL",
  "asOf": "2026-06-10T00:00:00.000Z",
  "totalExpirations": 24,
  "returnedExpirations": 1,
  "expirations": {
    "expiration_date": "2026-06-19T00:00:00.000Z",
    "calls": [],
    "puts": []
  }
}