G 
G-Tech Optoelectronics 3149.TW · TWD
Information Technology · Taiwan Stock Exchange · 🇹🇼 Taiwan
60.20
+7.69%
Close of 9 Nov 2026, in TWD
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At a glance
Figures in TWD, from our data supplier.
Revenue
TWD 2.28bn
FY2016FY2025
Net income
−TWD 604.6m
FY2016FY2025
Free cash flow
−TWD 759.5m
FY2016FY2025
Shareholders' equity
TWD 2.56bn
FY2016FY2025
Income statement
Fiscal years
| FY2025 | FY2024 | FY2023 | FY2022 | FY2021 | FY2020 | FY2019 | FY2018 | FY2017 | FY2016 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | TWD 2.28bn | TWD 2.16bn | TWD 1.86bn | TWD 2.43bn | TWD 2.61bn | TWD 2.45bn | TWD 2.87bn | TWD 4.17bn | TWD 3.63bn | TWD 2.56bn |
| Research and development | TWD 108.8m | TWD 118.8m | TWD 97.6m | TWD 62.3m | TWD 64.1m | TWD 39.4m | TWD 43.5m | TWD 54.8m | TWD 49.6m | TWD 140.6m |
| Operating income | −TWD 625.2m | −TWD 311.1m | −TWD 199.2m | −TWD 275.6m | −TWD 86.8m | −TWD 34.3m | −TWD 20.1m | −TWD 173.0m | −TWD 504.7m | −TWD 274.2m |
| Net income | −TWD 604.6m | −TWD 240.8m | −TWD 117.8m | −TWD 339.8m | −TWD 120.8m | −TWD 293.1m | −TWD 60.4m | −TWD 124.5m | TWD 19.6m | −TWD 451.1m |
| Diluted earnings per share | -2.60 | -1.26 | -0.82 | -2.36 | -0.57 | -1.45 | -0.29 | -0.63 | 0.11 | -2.67 |
Balance sheet
At each fiscal year end
| FY2025 | FY2024 | FY2023 | FY2022 | FY2021 | FY2020 | FY2019 | FY2018 | FY2017 | FY2016 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Total assets | TWD 4.88bn | TWD 4.68bn | TWD 4.10bn | TWD 4.36bn | TWD 4.49bn | TWD 4.05bn | TWD 3.88bn | TWD 5.10bn | TWD 5.37bn | TWD 6.10bn |
| Cash and short-term investments | TWD 800.0m | TWD 1.35bn | TWD 558.5m | TWD 803.0m | TWD 718.6m | TWD 605.0m | TWD 496.6m | TWD 942.2m | TWD 949.5m | TWD 1.09bn |
| Total liabilities | TWD 2.33bn | TWD 2.71bn | TWD 2.74bn | TWD 2.88bn | TWD 3.06bn | TWD 2.51bn | TWD 2.37bn | TWD 3.45bn | TWD 3.82bn | TWD 4.85bn |
| Debt | TWD 1.64bn | TWD 2.12bn | TWD 2.25bn | TWD 2.34bn | TWD 2.47bn | TWD 2.02bn | TWD 1.99bn | TWD 2.34bn | TWD 2.78bn | TWD 3.76bn |
| Shareholders' equity | TWD 2.56bn | TWD 1.96bn | TWD 1.37bn | TWD 1.48bn | TWD 1.43bn | TWD 1.54bn | TWD 1.52bn | TWD 1.64bn | TWD 1.54bn | TWD 1.25bn |
| Shares outstanding | 233m | 191m | 144m | 144m | 212m | 202m | 206m | 197m | 176m | 169m |
Cash flow
Fiscal years
| FY2025 | FY2024 | FY2023 | FY2022 | FY2021 | FY2020 | FY2019 | FY2018 | FY2017 | FY2016 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Cash from operations | −TWD 410.7m | TWD 12.5m | TWD 27.1m | TWD 87.8m | TWD 155.6m | TWD 210.9m | TWD 281.4m | −TWD 57.5m | −TWD 425.5m | TWD 408.0m |
| Capital spending | −TWD 348.8m | −TWD 102.1m | −TWD 45.4m | −TWD 141.6m | −TWD 192.4m | −TWD 17.1m | −TWD 32.1m | −TWD 35.0m | −TWD 101.6m | −TWD 623.1m |
| Free cash flow | −TWD 759.5m | −TWD 89.5m | −TWD 18.3m | −TWD 53.9m | −TWD 36.9m | TWD 193.9m | TWD 249.3m | −TWD 92.5m | −TWD 527.1m | −TWD 215.0m |
Financial ratios
Data as of 4 Oct 2026
| FY2025 | FY2024 | FY2023 | FY2022 | FY2021 | FY2020 | |
|---|---|---|---|---|---|---|
| Operating margin | -27.4% | -14.4% | -10.7% | -11.3% | -3.3% | -1.4% |
| Net margin | -26.5% | -11.1% | -6.3% | -14.0% | -4.6% | -12.0% |
| Return on equity | -23.6% | -12.3% | -8.6% | -23.0% | -8.4% | -19.1% |
| Return on assets | -12.4% | -5.1% | -2.9% | -7.8% | -2.7% | -7.2% |
| Free cash flow yield | -0.3% | 0.8% | 0.6% | 2.1% | 2.1% | 1.5% |
| Revenue growth | 5.5% | 16.4% | -23.5% | -7.0% | 6.8% | -14.6% |
| Earnings growth | 151.1% | 104.3% | -65.3% | 181.3% | -58.8% | 385.6% |
| Current ratio | 1.47x | 1.38x | 1.04x | 1.35x | 1.16x | 1.14x |
| Debt to equity | 0.64x | 1.05x | 1.65x | 1.59x | 1.69x | 1.32x |
| Equity ratio | 52.4% | 42.0% | 33.3% | 33.9% | 31.9% | 38.0% |
| Interest coverage | -14.25x | -6.71x | -3.95x | -6.12x | -2.23x | -1.01x |
| R&D as a share of sales | 4.8% | 5.5% | 5.2% | 2.6% | 2.5% | 1.6% |
| Buybacks as a share of market value | -21.6% | -32.6% | -0.1% | 32.1% | -5.0% | 2.0% |
Growth per year
Compound annual rate
| 3 years | 5 years | 10 years | |
|---|---|---|---|
| Revenue | -2.1% | -1.4% | -8.6% |
| Operating income | 31.4% | 78.7% | -14.2% |
| Net income | 21.2% | 15.6% | -19.3% |
Average margins
Over each period
| 1 year | 3 years | 5 years | 10 years | |
|---|---|---|---|---|
| Operating margin | -21.1% | -16.2% | -11.1% | -16.5% |
| Net margin | -19.0% | -14.9% | -12.4% | -22.9% |
Valuation history
At each fiscal year end
| FY2025 | FY2024 | FY2023 | FY2022 | FY2021 | FY2020 | FY2019 | FY2018 | FY2017 | FY2016 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Price to earnings | -13.6 | -26.4 | -29.8 | -12.2 | -84.0 | -28.4 | -48.9 | -21.3 | 266.9 | -11.8 |
| Price to sales | 3.6 | 2.9 | 1.9 | 1.7 | 3.9 | 3.4 | 1.0 | 0.6 | 1.4 | 2.1 |
Dividends and splits
Per share, in the currency the company pays
Paid for 0 years. Last went ex-dividend on 1 Jul 2013.
| FY2013 | FY2012 | FY2011 | FY2008 | |
|---|---|---|---|---|
| Paid in the year | 2.255 | 4.059 | 0.451 | 0.274 |
- 1000-to-643.382 reverse split · 23 Oct 2023
- 1000-to-632.721 reverse split · 11 Oct 2016
- 1.046-for-1 split · 10 Jul 2008
Sources and methodology
- Data on this tab
- Our data supplier
- Chart on the Overview
- TradingView
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