QSI Co

QSI Co ROE

The Return on Equity (ROE) of QSI Co (066310.KQ) as of Oct 18, 2026 is 2.88 %. In the previous year, Return on Equity (ROE) was 3.88 % — a change of -25.74% (lower).

ROE

2.88 %

YoY

-25.74%

Last updated:

In 2025, QSI Co's return on equity (ROE) was 2.88 %, a -25.74% increase from the 3.88 % ROE in the previous year.

The QSI Co ROE history

  • 3 Years

  • 10 Years

  • 25 Years

  • Max

ROE
Date
ROE
Jan 1, 2018
-0.69 KRW
Jan 1, 2019
2.03 KRW
Jan 1, 2020
0.25 KRW
Jan 1, 2021
2.11 KRW
Jan 1, 2022
8.62 KRW
Jan 1, 2023
3.29 KRW
Jan 1, 2024
3.88 KRW
Jan 1, 2025
2.88 KRW
The QSI Co ROE history
YEARROEYoY
2.88 %-25.74%
3.88 %+17.89%
3.29 %-61.88%
8.62 %+308.88%
2.11 %+748.29%
0.25 %-87.73%
2.03 %-395.19%
-0.69 %-148.02%
1.43 %-46.82%
2.69 %+1.33%
2.65 %-57.52%
6.25 %—

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QSI Co Stock analysis

What does QSI Co do? QSI Co Ltd, listed on the Korean stock market with ticker 066310.KQ and ISIN KR7066310004, is a company based in Cheonan, South Korea. It operates within the Information Technology sector, specifically in the Semiconductors industry. The company went public on November 24, 2006. QSI Co Ltd manufactures and sells semiconductor laser and optical semiconductor products. Its product portfolio includes laser diodes (LDs) used in various applications such as power tools, laser modules, barcode scanners, laser beam printers, optical pickup units for DVDs and CDs, and other sectors including medical equipment and sensors. The company markets its products under the brand name QSI Laser Diode. It serves both domestic and international markets, with notable clients including Fuji Xerox, Panasonic, Samsung, and Stabila. The company's website is http://www.qsilaser.com, providing further information about its products and services. QSI Co Ltd focuses on the production and distribution of optical semiconductor solutions, targeting a range of industries that require precision optical components. QSI Co is one of the most popular companies on Eulerpool.

ROE Details

Decoding QSI Co's Return on Equity (ROE)

QSI Co's Return on Equity (ROE) is a fundamental metric evaluating the company's profitability relative to its equity. Calculated by dividing net income by shareholder's equity, ROE illustrates how effectively the company is generating profits from shareholders’ investments. A higher ROE represents enhanced efficiency and profitability.

Year-to-Year Comparison

Analyzing QSI Co's ROE on a yearly basis aids in tracking its profitability trends and financial performance. An increasing ROE suggests enhanced profitability and value generation for shareholders, whereas a declining ROE may indicate issues in profit generation or equity management.

Impact on Investments

QSI Co's ROE is instrumental for investors assessing the company's profitability, efficiency, and investment attractiveness. A robust ROE indicates the firm’s adeptness at converting equity investments into profits, thereby enhancing its appeal to potential and current investors.

Interpreting ROE Fluctuations

Changes in QSI Co’s ROE can emanate from variations in net income, equity capital, or both. These fluctuations are scrutinized to evaluate management’s effectiveness, financial strategies, and the inherent risks and opportunities, aiding investors in making informed decisions.

Frequently Asked Questions about QSI Co stock

Return on Equity (ROE) of QSI Co is 2.88 % in 2025.

Return on Equity (ROE) of QSI Co changed from 3.88 % to 2.88 %, representing a -25.74% change. The value is lower than the previous year.

On Eulerpool you can find the complete historical development of Return on Equity (ROE) QSI Co since 2006 – with annual values, charts, and detailed analysis.

A 'good' varies by industry and company stage. On Eulerpool, you can compare Return on Equity (ROE)'s QSI Co with sector peers and the industry average to assess whether it is attractive.

To evaluate Return on Equity (ROE)'s, it is essential to compare it with peers in the same industry and sector. On Eulerpool, you can find direct industry comparisons for Return on Equity (ROE).

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Profitability — QSI Co

ROEROAROCEROICAsset TurnoverInventory TurnoverReceivables TurnoverDays Sales OutstandingDays Inventory OutstandingDays Payable OutstandingCash Conversion CycleCROICGross Profit/AssetsFixed Asset TurnoverEquity TurnoverWorking Capital TurnoverPayables TurnoverCapital IntensityReceivables/RevenueInventory/RevenueEBIT/Assets

All Key Metrics — QSI Co