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

South Korea flag South Korea · Delayed Price · Currency is KRW
8,490.00
+80.00 (0.95%)
At close: Jan 23, 2026
-1.85%
Market Cap75.07B
Revenue (ttm)22.58B
Net Income (ttm)1.97B
Shares Out8.84M
EPS (ttm)222.31
PE Ratio38.19
Forward PEn/a
Dividend100.00 (1.18%)
Ex-Dividend DateDec 29, 2025
Volume155,279
Average Volume280,443
Open8,420.00
Previous Close8,410.00
Day's Range8,290.00 - 8,650.00
52-Week Range6,610.00 - 11,710.00
Beta0.83
RSI66.86
Earnings DateFeb 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]

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