Lightron Fiber-Optic Devices Inc.
Financials
Valuation Metrics
Lightron Fiber-Optic Devices Inc.'s Market Cap is ₩4637B. At end of 2025 it was ₩667B. Ranked #491 of 2,421 in KR market (top 20%), #184 of 1,640 on KOSDAQ (top 11%), #38 of 246 in Technology Hardware & Equipment (top 15%) by Market Cap.
Investment Metrics(as of 2026-09-18)
| Metric | Value | Rank |
|---|---|---|
| Size | ||
| Market Cap | 463.73B KRW | KR#491/2,421 Sec#38/246 |
| Revenue | 28.12B KRW | KR#2,049/2,421 Sec#205/246 |
| Net Income | -12.46B KRW | KR—/2,421 Sec—/246 |
| Total Assets | 124.39B KRW | KR#1,628/2,421 Sec#153/246 |
| Net Assets | 99.96B KRW | KR#1,411/2,421 Sec#129/246 |
| Employees | 82 | KR#1,793/2,421 Sec#169/246 |
| Value | ||
| P/B | 4.64x | KR#2,225/2,421 Sec#218/246 |
| P/S | 16.49x | KR#2,325/2,421 Sec#239/246 |
| FCF Yield | -0.78% | KR—/2,421 Sec—/246 |
| Profitability | ||
| ROE | -12.46% | KR#1,982/2,421 Sec#205/246 |
| ROA | -10.02% | KR#2,101/2,421 Sec#212/246 |
| Op. Margin | -53.04% | KR#2,241/2,421 Sec#236/246 |
| Revenue Growth | 10.12% | KR#891/2,421 Sec#107/246 |
| Financial Health | ||
| Debt Ratio | 24.44% | KR#476/2,421 Sec#49/246 |
| Total Debt | 17.08B KRW | KR#1,434/2,421 Sec#143/246 |
| FCF | -3.60B KRW | KR#1,430/2,421 Sec#140/246 |
| Cash | 1.07B KRW | KR#2,330/2,421 Sec#239/246 |
| Current Ratio | 3.57x | KR#447/2,421 Sec#52/246 |
| Performance | ||
| 1Y Return | 397.58% | KR#15/2,421 Sec#5/246 |
| 1M Return | 55.28% | KR#44/2,421 Sec#9/246 |
| From 52W High | -49.20% | KR#1,359/2,421 Sec#130/246 |
| 1Y MDD | -76.15% | KR#2,214/2,421 Sec#217/246 |
| Trading | ||
| Volume | 18,096,140 shares | KR#6/2,421 Sec#5/246 |
| Trading Value | 76.26B KRW | KR#40/2,421 Sec#10/246 |
| Foreign Own. | 1.57% | KR#1,808/2,421 Sec#188/246 |
| Per Share | ||
| EPS | -111 KRW | KR—/2,421 Sec—/246 |
| BPS | 887 KRW | KR#2,326/2,421 Sec#230/246 |
Company Info
Established in 1998 for the manufacturing and sale of optical communication devices and optical measuring instruments, the company registered on KOSDAQ in 2004 and changed its name to Light & Electronics in 2024. Light & Electronics researches, manufactures, and sells optical transceivers that convert electrical and optical signals, producing core components applied in wireless, wired communication, and data center markets. The company pre-develops wavelength-tunable, increased transmission distance, low-power, and high-capacity optical modules, providing high-quality services and striving for overseas market expansion.