Lightron Fiber-Optic Devices Inc.
Financials
Valuation Metrics
Lightron Fiber-Optic Devices Inc.'s Market Cap is ₩4463B. At end of 2025 it was ₩667B. Ranked #478 of 2,405 in KR market (top 20%), #176 of 1,627 on KOSDAQ (top 11%), #38 of 243 in Technology Hardware & Equipment (top 16%) by Market Cap.
Investment Metrics(as of 2026-11-02)
| Metric | Value | Rank |
|---|---|---|
| Size | ||
| Market Cap | 446.26B KRW | KR#478/2,405 Sec#38/243 |
| Revenue | 28.12B KRW | KR#2,042/2,405 Sec#203/243 |
| Net Income | -12.46B KRW | KR—/2,405 Sec—/243 |
| Total Assets | 124.39B KRW | KR#1,628/2,405 Sec#153/243 |
| Net Assets | 99.96B KRW | KR#1,410/2,405 Sec#129/243 |
| Employees | 82 | KR#1,788/2,405 Sec#168/243 |
| Value | ||
| P/B | 4.46x | KR#2,229/2,405 Sec#218/243 |
| P/S | 15.87x | KR#2,313/2,405 Sec#237/243 |
| FCF Yield | -0.81% | KR—/2,405 Sec—/243 |
| Profitability | ||
| ROE | -12.46% | KR#1,977/2,405 Sec#204/243 |
| ROA | -10.02% | KR#2,094/2,405 Sec#211/243 |
| Op. Margin | -53.04% | KR#2,226/2,405 Sec#232/243 |
| Revenue Growth | 10.12% | KR#884/2,405 Sec#106/243 |
| Financial Health | ||
| Debt Ratio | 24.44% | KR#472/2,405 Sec#47/243 |
| Total Debt | 17.08B KRW | KR#1,429/2,405 Sec#142/243 |
| FCF | -3.60B KRW | KR#1,424/2,405 Sec#138/243 |
| Cash | 1.07B KRW | KR#2,318/2,405 Sec#236/243 |
| Current Ratio | 3.57x | KR#441/2,405 Sec#50/243 |
| Performance | ||
| 1Y Return | 380.00% | KR#10/2,405 Sec#5/243 |
| 1M Return | -10.00% | KR#1,163/2,405 Sec#86/243 |
| From 52W High | -51.11% | KR#1,225/2,405 Sec#114/243 |
| 1Y MDD | -76.15% | KR#2,179/2,405 Sec#215/243 |
| Trading | ||
| Volume | 8,479,668 shares | KR#3/2,405 Sec#2/243 |
| Trading Value | 32.94B KRW | KR#71/2,405 Sec#9/243 |
| Foreign Own. | 1.57% | KR#1,798/2,405 Sec#186/243 |
| Per Share | ||
| EPS | -111 KRW | KR—/2,405 Sec—/243 |
| BPS | 887 KRW | KR#2,316/2,405 Sec#227/243 |
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.