Taiwan Secom Co., Ltd. (9917.TW) TAI
Currency In TWD
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9917.TW Historical Return
If you invested 1000 NT$ in Taiwan Secom Co., Ltd. (9917.TW) 10 years ago, it would be worth 1,705.07 NT$ as of August 22, 2026, based on a reinvested dividends scenario. Over the same period, a 1000 NT$ investment made 5 years ago would be worth 1,311.75 NT$, while 1000 NT$ invested 1 year ago would be worth 986.67 NT$. This corresponds to total returns of 70.51%, 31.17%, -1.33%, respectively, with annualized returns of 5.48%, 5.58%, -1.33%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
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9917.TW Historical Data
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| August 21, 2026 | 110 | 111 | 111 | 111 | 109.5 | 514,668 |
| August 20, 2026 | 108.5 | 110 | 110 | 110 | 108.5 | 291,738 |
| August 19, 2026 | 108.5 | 108 | 108 | 109 | 108 | 237,439 |
| August 18, 2026 | 108 | 108.5 | 108.5 | 108.5 | 108 | 173,206 |
| August 17, 2026 | 107.5 | 108.5 | 108.5 | 108.5 | 107.5 | 193,191 |
| August 14, 2026 | 108 | 107.5 | 107.5 | 108 | 107.5 | 159,324 |
| August 13, 2026 | 108 | 107.5 | 107.5 | 108.5 | 107.5 | 177,334 |
| August 12, 2026 | 107.5 | 107.5 | 107.5 | 108 | 107.5 | 135,948 |
| August 11, 2026 | 107.5 | 107.5 | 107.5 | 108 | 107.5 | 254,997 |
| August 10, 2026 | 108.5 | 107.5 | 107.5 | 108.5 | 107 | 248,424 |
| August 07, 2026 | 107.5 | 108 | 108 | 108.5 | 107.5 | 189,958 |
| August 06, 2026 | 108 | 108 | 108 | 108.5 | 107.5 | 274,757 |
| August 05, 2026 | 108.5 | 108 | 108 | 108.5 | 107.5 | 486,077 |
| August 04, 2026 | 108 | 108.5 | 108.5 | 109 | 108 | 363,990 |
| August 03, 2026 | 109 | 109.5 | 109.5 | 110 | 108.5 | 417,871 |
| July 31, 2026 | 110.5 | 109 | 109 | 112.5 | 109 | 1.39M |
| July 30, 2026 | 111 | 111 | 111 | 111 | 110 | 392,031 |
| July 29, 2026 | 111 | 111 | 111 | 111 | 109 | 1.18M |
| July 28, 2026 | 110.5 | 110.5 | 110.5 | 111 | 109.5 | 519,890 |
| July 27, 2026 | 111 | 110.5 | 110.5 | 111 | 109.5 | 355,539 |
| July 23, 2026 | 108 | 108.5 | 108.5 | 108.5 | 107.5 | 246,108 |
| July 22, 2026 | 108.5 | 107.5 | 107.5 | 109 | 107.5 | 383,441 |
| July 21, 2026 | 109 | 108.5 | 108.5 | 110 | 108.5 | 350,849 |
| July 20, 2026 | 109.5 | 109 | 109 | 111.5 | 109 | 1.85M |
| July 17, 2026 | 107.5 | 109 | 109 | 109.5 | 107 | 1.1M |
| July 16, 2026 | 107 | 108 | 108 | 108 | 106.5 | 499,062 |
| July 15, 2026 | 106.5 | 107 | 107 | 107.5 | 106 | 603,704 |
| July 14, 2026 | 107.5 | 106.5 | 106.5 | 107.5 | 105 | 608,290 |
| July 13, 2026 | 108 | 107.5 | 107.5 | 108 | 106 | 547,023 |
| July 09, 2026 | 106 | 107.5 | 107.5 | 107.5 | 105.5 | 666,922 |
| July 08, 2026 | 106 | 105.5 | 105.5 | 106 | 105 | 403,733 |
| July 07, 2026 | 106 | 105 | 105 | 107 | 105 | 901,592 |
| July 06, 2026 | 107 | 106 | 106 | 107 | 106 | 392,840 |
| July 03, 2026 | 105.5 | 107 | 107 | 107.5 | 105.5 | 942,084 |
| July 02, 2026 | 105.5 | 105 | 105 | 106 | 105 | 466,817 |
| July 01, 2026 | 106 | 105 | 105 | 106 | 105 | 751,716 |
| June 30, 2026 | 107 | 105.5 | 105.5 | 107 | 105.5 | 289,701 |
| June 29, 2026 | 106 | 106 | 106 | 106 | 105 | 673,004 |
| June 26, 2026 | 107.5 | 105.5 | 105.5 | 107.5 | 105 | 1.09M |
| June 25, 2026 | 106.5 | 108 | 108 | 108 | 105 | 1.42M |
| June 24, 2026 | 110 | 106 | 106 | 110 | 106 | 3M |
| June 23, 2026 | 116.5 | 116 | 116 | 117 | 115 | 1.97M |
| June 22, 2026 | 117 | 116.5 | 116.5 | 117.5 | 116 | 1.23M |
| June 18, 2026 | 117.5 | 117 | 117 | 118.5 | 116.5 | 1.09M |
| June 17, 2026 | 117.5 | 117.5 | 117.5 | 118.5 | 117 | 1.28M |
| June 16, 2026 | 119.5 | 118 | 118 | 119.5 | 118 | 1.15M |
| June 15, 2026 | 122 | 119 | 119 | 123 | 118.5 | 1.75M |
| June 12, 2026 | 120.5 | 122 | 122 | 122 | 119 | 1.89M |
| June 11, 2026 | 119 | 120 | 120 | 120 | 118.5 | 748,880 |
| June 10, 2026 | 118 | 118.5 | 118.5 | 119 | 117.5 | 621,879 |
| June 09, 2026 | 116.5 | 118 | 118 | 118 | 116.5 | 579,412 |
| June 08, 2026 | 115.5 | 116.5 | 116.5 | 117.5 | 115 | 779,713 |
| June 05, 2026 | 117 | 116.5 | 116.5 | 118 | 116.5 | 711,386 |
| June 04, 2026 | 115 | 117 | 117 | 117.5 | 115 | 1.02M |
| June 03, 2026 | 115 | 115 | 115 | 116 | 115 | 515,984 |
| June 02, 2026 | 115 | 114.5 | 114.5 | 115 | 114 | 479,253 |
| June 01, 2026 | 114 | 115 | 115 | 115 | 113.5 | 831,001 |
| May 29, 2026 | 113.5 | 114 | 114 | 114 | 113 | 405,104 |
| May 28, 2026 | 114.5 | 113 | 113 | 114.5 | 112.5 | 439,341 |
| May 27, 2026 | 113 | 114 | 114 | 114 | 113 | 434,166 |
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