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

Market Cap	65.88B
Revenue (ttm)	21.75B
Net Income (ttm)	1.71B
Shares Out	8.84M
EPS (ttm)	191.95
PE Ratio	38.81
Forward PE	n/a
Dividend	100.00 (1.33%)
Ex-Dividend Date	Dec 29, 2025

Volume	37,619
Average Volume	367,716
Open	7,500.00
Previous Close	7,500.00
Day's Range	7,350.00 - 7,580.00
52-Week Range	5,630.00 - 12,440.00
Beta	0.87
RSI	45.17
Earnings Date	Aug 13, 2025

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.

• Industry: Semiconductors and Related Devices
• Founded: 2000
• Employees: 105
• Stock Exchange: KOSDAQ
• Ticker Symbol: 066310

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%.