Sunonwealth Electric Machine Industry Co., Ltd. (2421.TW) TAI
Currency In TWD
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Currency In TWD
If you invested 1000 NT$ in Sunonwealth Electric Machine Industry Co., Ltd. (2421.TW) 10 years ago, it would be worth 8,007.33 NT$ as of November 12, 2026, based on a reinvested dividends scenario. Over the same period, a 1000 NT$ investment made 5 years ago would be worth 3,865.45 NT$, while 1000 NT$ invested 1 year ago would be worth 706.2 NT$. This corresponds to total returns of 700.73%, 286.54%, -29.38%, respectively, with annualized returns of 23.13%, 31.03%, -29.38%.
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 |
|---|---|---|---|---|---|---|
| November 11, 2026 | 135.5 | 137.5 | 137.5 | 138 | 133.5 | 1.01M |
| November 10, 2026 | 136.5 | 137.5 | 137.5 | 141 | 133.5 | 2.08M |
| November 09, 2026 | 128 | 131.5 | 131.5 | 133.5 | 126 | 1.52M |
| November 06, 2026 | 119.5 | 125 | 125 | 128 | 118 | 3.24M |
| November 05, 2026 | 134.5 | 131 | 131 | 137 | 129 | 2.57M |
| November 04, 2026 | 146 | 141.5 | 141.5 | 150 | 136.5 | 3.93M |
| November 03, 2026 | 143.5 | 138 | 138 | 145.5 | 136.5 | 1.79M |
| November 02, 2026 | 140.5 | 146 | 146 | 146.5 | 140 | 1.73M |
| October 30, 2026 | 152.5 | 144 | 144 | 154 | 144 | 3.69M |
| October 29, 2026 | 154 | 159.5 | 159.5 | 162 | 152.5 | 2.65M |
| October 28, 2026 | 157.5 | 154.5 | 154.5 | 158 | 154 | 924,494 |
| October 27, 2026 | 156 | 154 | 154 | 158 | 151 | 1.67M |
| October 22, 2026 | 161 | 155 | 155 | 162.5 | 154 | 1.86M |
| October 21, 2026 | 161 | 159.5 | 159.5 | 163 | 158 | 1.53M |
| October 20, 2026 | 161.5 | 158 | 158 | 163.5 | 158 | 1.5M |
| October 19, 2026 | 163.5 | 161.5 | 161.5 | 165 | 160.5 | 1.2M |
| October 16, 2026 | 165 | 166 | 166 | 169.5 | 165 | 1.07M |
| October 15, 2026 | 166 | 164 | 164 | 168 | 162 | 1.82M |
| October 14, 2026 | 169.5 | 171 | 171 | 171.5 | 167.5 | 1.35M |
| October 13, 2026 | 166.5 | 168 | 168 | 170 | 166 | 1.09M |
| October 12, 2026 | 168 | 168.5 | 168.5 | 170 | 166 | 1.23M |
| October 08, 2026 | 171 | 168 | 168 | 172 | 167 | 1.77M |
| October 07, 2026 | 171.5 | 171.5 | 171.5 | 173.5 | 168.5 | 1.93M |
| October 06, 2026 | 171.5 | 173 | 173 | 176 | 167.5 | 3.54M |
| October 05, 2026 | 167 | 169.5 | 169.5 | 172 | 167 | 3.62M |
| October 02, 2026 | 163.5 | 166 | 166 | 168 | 161.5 | 1.69M |
| October 01, 2026 | 162 | 164 | 164 | 164.5 | 160.5 | 1.37M |
| September 30, 2026 | 164.5 | 160.5 | 160.5 | 165.5 | 160 | 2.58M |
| September 29, 2026 | 165.5 | 163.5 | 163.5 | 165.5 | 161 | 1.74M |
| September 24, 2026 | 163 | 167 | 167 | 168 | 161.5 | 1.84M |
| September 23, 2026 | 168.5 | 163 | 163 | 169 | 163 | 1.7M |
| September 22, 2026 | 168.5 | 167 | 167 | 170.5 | 167 | 1.83M |
| September 21, 2026 | 170.5 | 166.5 | 166.5 | 170.5 | 166 | 1.44M |
| September 20, 2026 | 164.5 | 168.5 | 168.5 | 170.5 | 161.5 | 309,198 |
| September 18, 2026 | 164.5 | 167 | 167 | 169 | 164.5 | 3.25M |
| September 17, 2026 | 161 | 162 | 162 | 166.5 | 161 | 2.18M |
| September 16, 2026 | 159 | 160.5 | 160.5 | 161.5 | 158 | 1.44M |
| September 15, 2026 | 163.5 | 158 | 158 | 163.5 | 158 | 2.4M |
| September 11, 2026 | 161 | 164.5 | 164.5 | 166.5 | 160 | 2.33M |
| September 10, 2026 | 166 | 165 | 165 | 168.5 | 164 | 1.93M |
| September 09, 2026 | 165.5 | 167.5 | 167.5 | 169 | 160 | 4.67M |
| September 08, 2026 | 172 | 168 | 168 | 172 | 165.5 | 3.01M |
| September 07, 2026 | 178 | 171.5 | 171.5 | 178.5 | 169 | 6.51M |
| September 04, 2026 | 168.5 | 178 | 178 | 179 | 166 | 8M |
| September 03, 2026 | 168 | 164.5 | 164.5 | 174 | 163 | 4.86M |
| September 02, 2026 | 175 | 168 | 168 | 178.5 | 166 | 6.78M |
| September 01, 2026 | 182 | 177 | 177 | 184 | 175 | 12.22M |
| August 31, 2026 | 163.5 | 179.5 | 179.5 | 179.5 | 163 | 20.95M |
| August 28, 2026 | 161.5 | 163.5 | 163.5 | 165 | 157 | 8.03M |
| August 27, 2026 | 153 | 159.5 | 159.5 | 166 | 152 | 13.33M |
| August 26, 2026 | 144 | 151.5 | 151.5 | 151.5 | 143.5 | 2.76M |
| August 25, 2026 | 143.5 | 144 | 144 | 144 | 140.5 | 1.15M |
| August 24, 2026 | 141.5 | 143.5 | 143.5 | 146 | 141.5 | 1.24M |
| August 21, 2026 | 144 | 142.5 | 142.5 | 144.5 | 141 | 921,804 |
| August 20, 2026 | 146 | 144 | 144 | 148 | 143 | 1.02M |
| August 19, 2026 | 143 | 145 | 145 | 147.5 | 142 | 1.66M |
| August 18, 2026 | 149 | 145.5 | 145.5 | 149.5 | 144.5 | 1.91M |
| August 17, 2026 | 146 | 148 | 148 | 149.5 | 144 | 1.42M |
| August 14, 2026 | 150.5 | 146 | 146 | 150.5 | 145 | 2.08M |
| August 13, 2026 | 152 | 149.5 | 149.5 | 154 | 149.5 | 2.14M |