G-TECH Optoelectronics Corporation (3149.TW) TAI
Currency In TWD
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Currency In TWD
If you invested 1000 NT$ in G-TECH Optoelectronics Corporation (3149.TW) 10 years ago, it would be worth 2,830.19 NT$ as of October 22, 2026, based on a reinvested dividends scenario. Over the same period, a 1000 NT$ investment made 5 years ago would be worth 1,395.91 NT$, while 1000 NT$ invested 1 year ago would be worth 1,794.54 NT$. This corresponds to total returns of 183.02%, 39.59%, 79.45%, respectively, with annualized returns of 10.96%, 6.89%, 79.45%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| October 21, 2026 | 73.4 | 72.7 | 72.7 | 73.8 | 72.3 | 3.19M |
| October 20, 2026 | 73 | 71.8 | 71.8 | 75.3 | 71.7 | 5.18M |
| October 19, 2026 | 69.8 | 73.7 | 73.7 | 75.2 | 69.7 | 6.08M |
| October 16, 2026 | 72 | 72.4 | 72.4 | 75 | 72 | 4.82M |
| October 15, 2026 | 75.1 | 71.2 | 71.2 | 76 | 71.2 | 9.65M |
| October 14, 2026 | 76.3 | 77.7 | 77.7 | 78.4 | 76.1 | 5.65M |
| October 13, 2026 | 77.4 | 75.6 | 75.6 | 78.8 | 75.5 | 9.02M |
| October 12, 2026 | 75.5 | 77.6 | 77.6 | 81.4 | 75.5 | 13.97M |
| October 08, 2026 | 76.3 | 76.6 | 76.6 | 76.9 | 75 | 5.39M |
| October 07, 2026 | 75.3 | 77.1 | 77.1 | 77.6 | 75 | 8.54M |
| October 06, 2026 | 79.5 | 75.8 | 75.8 | 79.5 | 75.8 | 10.04M |
| October 05, 2026 | 78.8 | 79.5 | 79.5 | 80 | 77.8 | 16.06M |
| October 02, 2026 | 74.8 | 77.3 | 77.3 | 79.7 | 74 | 24.79M |
| October 01, 2026 | 74.3 | 74.3 | 74.3 | 76.1 | 72.2 | 37.01M |
| September 30, 2026 | 69.5 | 74 | 74 | 74 | 69 | 18.8M |
| September 29, 2026 | 63.2 | 67.3 | 67.3 | 68 | 63 | 9.36M |
| September 24, 2026 | 62.8 | 63.3 | 63.3 | 64.2 | 62.5 | 2.58M |
| September 23, 2026 | 65.2 | 63.2 | 63.2 | 65.8 | 63.1 | 3.69M |
| September 22, 2026 | 66 | 64.1 | 64.1 | 67.9 | 64.1 | 7.12M |
| September 21, 2026 | 64.7 | 65.1 | 65.1 | 66.1 | 63.1 | 6.31M |
| September 20, 2026 | 63.2 | 62.2 | 62.2 | 65 | 62 | 679,866 |
| September 18, 2026 | 63.2 | 63.8 | 63.8 | 63.8 | 62 | 7.5M |
| September 17, 2026 | 62 | 62 | 62 | 64.4 | 61.9 | 6.79M |
| September 16, 2026 | 59.9 | 61.3 | 61.3 | 62.3 | 59.7 | 2.66M |
| September 15, 2026 | 61 | 59.4 | 59.4 | 61.3 | 59.4 | 2.83M |
| September 11, 2026 | 60 | 62.3 | 62.3 | 64 | 59.8 | 5.2M |
| September 10, 2026 | 61.9 | 61.4 | 61.4 | 62 | 60.1 | 3.17M |
| September 09, 2026 | 60.8 | 62.5 | 62.5 | 63 | 60.8 | 4.74M |
| September 08, 2026 | 61.2 | 60.2 | 60.2 | 61.6 | 60 | 2.38M |
| September 07, 2026 | 60.7 | 60.8 | 60.8 | 61.6 | 60 | 3.27M |
| September 04, 2026 | 60 | 60.6 | 60.6 | 60.9 | 58.4 | 6.24M |
| September 03, 2026 | 63.3 | 59.5 | 59.5 | 63.3 | 59.4 | 13.58M |
| September 02, 2026 | 64 | 63.4 | 63.4 | 64.5 | 63.1 | 4.36M |
| September 01, 2026 | 64.5 | 64.2 | 64.2 | 65.9 | 63.9 | 4.01M |
| August 31, 2026 | 65.6 | 64.1 | 64.1 | 66.3 | 63.9 | 3.85M |
| August 28, 2026 | 67.6 | 66.4 | 66.4 | 68.3 | 66.3 | 4.19M |
| August 27, 2026 | 68.4 | 67.2 | 67.2 | 68.7 | 67.1 | 5.41M |
| August 26, 2026 | 64.6 | 68 | 68 | 68.9 | 64.6 | 9.73M |
| August 25, 2026 | 63.7 | 64.4 | 64.4 | 64.4 | 62.4 | 4.62M |
| August 24, 2026 | 65 | 64.1 | 64.1 | 65.7 | 64 | 3.22M |
| August 21, 2026 | 65.7 | 65 | 65 | 66.9 | 64.8 | 4.22M |
| August 20, 2026 | 65.9 | 66.2 | 66.2 | 67.4 | 64.5 | 4.8M |
| August 19, 2026 | 65.4 | 64.8 | 64.8 | 68.7 | 64.3 | 8.39M |
| August 18, 2026 | 67.1 | 66.4 | 66.4 | 68 | 66.3 | 4.58M |
| August 17, 2026 | 67.5 | 67.6 | 67.6 | 68.3 | 65.9 | 5.22M |
| August 14, 2026 | 68.3 | 67.1 | 67.1 | 68.3 | 65.6 | 8.42M |
| August 13, 2026 | 68.9 | 68.3 | 68.3 | 70.5 | 68.3 | 8.07M |
| August 12, 2026 | 67.8 | 68.3 | 68.3 | 72 | 67.5 | 25.44M |
| August 11, 2026 | 69.7 | 67.5 | 67.5 | 71.9 | 67.5 | 17.91M |
| August 10, 2026 | 63.5 | 69 | 69 | 69 | 63.5 | 12.58M |
| August 07, 2026 | 63.4 | 62.8 | 62.8 | 66 | 62.5 | 8.3M |
| August 06, 2026 | 65 | 63.1 | 63.1 | 65.4 | 62.2 | 9.84M |
| August 05, 2026 | 66.5 | 65.4 | 65.4 | 67.3 | 64 | 22.5M |
| August 04, 2026 | 65.3 | 65.8 | 65.8 | 67.8 | 65.3 | 7.22M |
| August 03, 2026 | 65.4 | 66.2 | 66.2 | 68.9 | 64.8 | 5.79M |
| July 31, 2026 | 67.5 | 65.9 | 65.9 | 67.8 | 64.9 | 8.55M |
| July 30, 2026 | 64.2 | 61.7 | 61.7 | 67.4 | 61.5 | 7.07M |
| July 29, 2026 | 67.6 | 64.7 | 64.7 | 68.4 | 63.1 | 8.88M |
| July 28, 2026 | 66.5 | 68.1 | 68.1 | 69.5 | 64.2 | 7.64M |
| July 27, 2026 | 68.3 | 68.4 | 68.4 | 71 | 67.2 | 5.64M |