Q.S.I Co., LTD. (KOSDAQ:066310)

South Korea flag South Korea · Delayed Price · Currency is KRW
7,920.00
-570.00 (-6.71%)
Mar 9, 2026, 3:30 PM KST
-13.91%
Market Cap 70.03B
Revenue (ttm) 22.58B
Net Income (ttm) 1.97B
Shares Out 8.84M
EPS (ttm) 222.31
PE Ratio 35.63
Forward PE n/a
Dividend 100.00 (1.18%)
Ex-Dividend Date Dec 29, 2025
Volume 105,227
Average Volume 244,619
Open 8,100.00
Previous Close 8,490.00
Day's Range 7,710.00 - 8,200.00
52-Week Range 6,610.00 - 10,500.00
Beta 0.88
RSI 43.89
Earnings Date Feb 13, 2026

About Q.S.I Co., LTD.

Q.S.I Co., LTD. develops, manufactures, and sells red and infra-red laser diodes in South Korea and internationally. The company also provides foundry services, that includes Epi wafers, wafer foundry services, and package services. Its laser diodes are used in power tools, medical, motion recognition, laser printers, lidar, and various sensors. The company was founded in 2000 and is based in Cheonan-si, South Korea. [Read more]

Industry Semiconductors
Sector Technology
Founded 2000
Employees 105
Stock Exchange KOSDAQ
Ticker Symbol 066310
Full Company Profile

Financial Performance

In 2024, Q.S.I Co., LTD.'s revenue was 21.36 billion, an increase of 14.32% compared to the previous year's 18.69 billion. Earnings were 3.25 billion, an increase of 19.98%.

Financial Statements

News

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