Green Optics
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
Green Optics designs and manufactures precision optical systems, assemblies of lenses, mirrors, and filters that control how light behaves, used in defence applications such as guided-missile seekers, ring-laser gyroscopes for navigation, and laser-based air-defence systems, as well as in broader industrial and scientific instruments.
Its customers include defence contractors and other industrial buyers that require high-precision optical components. The company covers the full production process in-house, from initial optical design through raw-material cutting, polishing, coating, assembly, and final inspection. It is listed on KOSDAQ, South Korea's technology and small-cap stock exchange.
Summary is AI-generated and may contain errors · figures from DART filings
Green Optics in five facts
What does Green Optics do?
Green Optics designs and manufactures precision optical systems, assemblies of lenses, mirrors, and filters that control how light behaves, used in defence applications such as guided-missile seekers, ring-laser gyroscopes for navigation, and laser-based air-defence systems, as well as in broader industrial and scientific instruments.
Where is Green Optics listed and in which sector?
Green Optics (Korean name: 그린광학) trades under KRX code 0015G0 on KOSDAQ, the Korea Exchange's board for smaller and growth companies. It is classified in the Information Technology sector, Components.
How large is Green Optics?
Its market capitalisation was US$101M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were Green Optics's latest annual revenue and operating profit?
For fiscal year 2025, Green Optics reported revenue of US$31.5M, operating profit of US$1.7M and net income of US$1.5M, per its annual report on DART (data retrieved from DART on 2026-09-17).
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-09-17
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, converted from won at 1 USD ≈ ₩1,325 (2026-10-21 close)
- Company data updated
- 2026-10-21
- Company summary
- AI-generated from filings; may contain errors. Information only, not investment advice.
- Supply contract signed
Green Optics disclosed a supply contract with LIG Defense & Aerospace Co., Ltd., worth US$2.95M, about 10.06% of its recent annual revenue, running through Oct 2027.
Supply contract · Aug 6 - Supply contract signed
Green Optics disclosed a supply contract, worth US$3.06M, about 11.37% of its recent annual revenue, running through Apr 2027.
Supply contract · Jun 30 - [Attachment added] Supply contract signed
Green Optics disclosed a supply contract with LIG Defense & Aerospace Co., Ltd., worth US$5.58M, about 19.74% of its recent annual revenue, running through Aug 2028.
Supply contract · Apr 22 - Change of 30% or more in revenue or profit/loss structure (15% for large companies)
Green Optics reported consolidated results for FY2025: revenue of US$27.8M (+31.6% year on year), operating profit of US$1.47M (+1028.1% year on year) and net income of US$1.36M (+378.6% year on year).
Earnings · Mar 16