Lightron Fiber-Optic Devices Inc.
Financials
Valuation Metrics
Lightron Fiber-Optic Devices Inc.'s Market Cap is ₩2507B. At end of 2025 it was ₩667B. Ranked #713 of 2,436 in KR market (top 29%), #304 of 1,649 on KOSDAQ (top 18%), #58 of 246 in Technology Hardware & Equipment (top 24%) by Market Cap.
Investment Metrics(as of 2026-08-04)
| Metric | Value | Rank |
|---|---|---|
| Size | ||
| Market Cap | 250.74B KRW | KR#713/2,436 Sec#58/246 |
| Revenue | 31.77B KRW | KR#2,007/2,436 Sec#204/246 |
| Net Income | -19.65B KRW | KR—/2,436 Sec—/246 |
| Total Assets | 105.20B KRW | KR#1,708/2,436 Sec#165/246 |
| Net Assets | 77.06B KRW | KR#1,579/2,436 Sec#147/246 |
| Employees | 82 | KR#1,777/2,436 Sec#169/246 |
| Value | ||
| P/B | 3.25x | KR#2,138/2,436 Sec#218/246 |
| P/S | 7.89x | KR#2,237/2,436 Sec#234/246 |
| FCF Yield | -1.43% | KR—/2,436 Sec—/246 |
| Profitability | ||
| ROE | -25.50% | KR#2,129/2,436 Sec#218/246 |
| ROA | -18.68% | KR#2,219/2,436 Sec#234/246 |
| Op. Margin | -52.03% | KR#2,247/2,436 Sec#238/246 |
| Revenue Growth | 0.00% | KR#1,438/2,436 Sec#142/246 |
| Financial Health | ||
| Debt Ratio | 136.52% | KR#969/2,436 Sec#101/246 |
| Total Debt | 18.72B KRW | KR#1,376/2,436 Sec#135/246 |
| FCF | -3.60B KRW | KR#1,434/2,436 Sec#140/246 |
| Cash | 1.92B KRW | KR#2,257/2,436 Sec#233/246 |
| Current Ratio | 1.16x | KR#1,634/2,436 Sec#179/246 |
| Performance | ||
| 1Y Return | 113.33% | KR#107/2,436 Sec#21/246 |
| 1M Return | 8.27% | KR#316/2,436 Sec#31/246 |
| From 52W High | -72.53% | KR#2,222/2,436 Sec#218/246 |
| 1Y MDD | -76.15% | KR#2,191/2,436 Sec#215/246 |
| Trading | ||
| Volume | 7,591,344 shares | KR#11/2,436 Sec#3/246 |
| Foreign Own. | 0.91% | KR#1,132/2,436 Sec#113/246 |
| Per Share | ||
| EPS | -340 KRW | KR—/2,436 Sec—/246 |
| BPS | 787 KRW | KR#2,331/2,436 Sec#235/246 |
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.