Green Optics그린광학
0015G0 · KOSDAQ · ₩0015G0 · 그린광학
- Market cap
- ₩121B
- Enterprise value
- ₩135B
- P/E
- 58.9×
- P/B
- 1.8×
- Dividend yield
- 0.0%
- ROE
- 3.1%
- Net margin
- 4.9%
Trailing 12 months from filed financial statements, as of H1 2026. Dividend yield: the 2025 dividend per share from the annual report ÷ today's price.
52-week range−81.3% from the high
₩10,070Today: ₩10,290 – ₩10,750₩55,000
Returns
- 1W−9.3%
- 1M−29.3%
- 3M−23.3%
- 6M−69.8%
- YTD−32.9%
- 1Y—
- Volume today
- 24,654
- 0.4× the 20-day average
- Traded today
- ₩258M
- Listed shares
- 11,702,541
- EPS (12 months)
- ₩175
- Earnings yield 1.7%
Upcoming dates
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Signals
Quiet- BuzzQuietBuzz 30 of 100 (50 is a normal day for this stock).
- MomentumWeak-27.4% over the last month; the price is below its 20-day average.
Signals describe activity, not recommendations. Not financial advice.
Green Optics stock overview
Green Optics (그린광학, KRX: 0015G0) is listed on KOSDAQ, in the Medical & precision devices sector. The company is a Korean precision optics firm that develops and manufactures ultra-precision optical systems and optical materials, mainly zinc sulfide (ZnS) and other ceramic-based components. Its shares closed at ₩10,300 on Oct 27, 2026, up 0.39% on the day, giving it a market value of ₩121B.
Key facts
- Market cap
- ₩121B
- Sector
- Medical & precision devices
- Latest price change
- +0.39%
- As of
- Oct 27, 2026
- Main business
- The company is a Korean precision optics firm that develops and manufactures ultra-precision optical systems and optical materials, mainly zinc sulfide (ZnS) and other ceramic-based components.
Quick answers about Green Optics
- What does Green Optics do?
- The company is a Korean precision optics firm that develops and manufactures ultra-precision optical systems and optical materials, mainly zinc sulfide (ZnS) and other ceramic-based components. Its products serve defense (including guided-missile seekers, ring laser gyroscope blocks and laser air-defense optics), display (OLED manufacturing equipment and exposure-equipment optics), semiconductor inspection equipment, and aerospace customers. The company says it is the only domestic producer of ZnS in Korea, and its Seeker domes are exported to Israel, the United States and Japan.
- What is the market cap of Green Optics?
- The market capitalisation of Green Optics was ₩121B at the close on Oct 27, 2026.
- Who are the largest shareholders of Green Optics?
- According to the latest official filings, the largest reported holders are Jo Hyeon-il (50.71%, as of Nov 24, 2025).
- When is the next earnings report from Green Optics?
- Korean companies rarely announce results dates in advance. Based on when Green Optics filed the same report in past years, its next 3q results is expected around Nov 28, 2026.
Company profile
The company is a Korean precision optics firm that develops and manufactures ultra-precision optical systems and optical materials, mainly zinc sulfide (ZnS) and other ceramic-based components. Its products serve defense (including guided-missile seekers, ring laser gyroscope blocks and laser air-defense optics), display (OLED manufacturing equipment and exposure-equipment optics), semiconductor inspection equipment, and aerospace customers. The company says it is the only domestic producer of ZnS in Korea, and its Seeker domes are exported to Israel, the United States and Japan.
Written by AI from the company's latest annual report.
- Korean name
- 그린광학
- Themes
- Smartphone parts
- CEO
- 조현일
- Founded
- Apr 1999
- Listed
- Nov 2025
- Listed shares
- 11,702,541
- Fiscal year ends
- Month 12
- Website
- www.greenoptics.com/
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Recent filings
See all- Half-year report (Jun 2026)Aug 14, 2026
- Major sales or supply contractAug 6, 2026
- Major sales or supply contractJun 30, 2026
- Quarterly report (Mar 2026)May 15, 2026
- Added attachment: Major sales or supply contractApr 22, 2026
Titles in Korean until English translations are added.
Also known as: Green Optics / 그린광학 / 0015G0 / KRX:0015G0
Source: KRX statistical information