Sinher Technology Inc. (4999.TW) TAI
Currency In TWD
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4999.TW Historical Return
If you invested 1000 NT$ in Sinher Technology Inc. (4999.TW) 10 years ago, it would be worth 537.74 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 577.04 NT$, while 1000 NT$ invested 1 year ago would be worth 704.46 NT$. This corresponds to total returns of -46.23%, -42.3%, -29.55%, respectively, with annualized returns of -6.01%, -10.41%, -29.55%.
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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4999.TW Historical Data
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| August 21, 2026 | 18.85 | 18.95 | 18.95 | 18.95 | 18.65 | 47,955 |
| August 20, 2026 | 18.5 | 18.85 | 18.85 | 18.85 | 18.5 | 64,295 |
| August 19, 2026 | 18.55 | 18.5 | 18.5 | 18.65 | 18.5 | 40,784 |
| August 18, 2026 | 18.95 | 18.7 | 18.7 | 18.95 | 18.6 | 16,575 |
| August 17, 2026 | 18.75 | 18.95 | 18.95 | 18.95 | 18.5 | 21,268 |
| August 14, 2026 | 19 | 18.85 | 18.85 | 19 | 18.85 | 21,786 |
| August 13, 2026 | 18.8 | 19 | 19 | 19.2 | 18.8 | 35,301 |
| August 12, 2026 | 18.75 | 19.3 | 19.3 | 19.3 | 18.75 | 34,946 |
| August 11, 2026 | 19.3 | 18.95 | 18.95 | 19.3 | 18.85 | 49,770 |
| August 10, 2026 | 18.45 | 19.3 | 19.3 | 19.3 | 18.1 | 232,419 |
| August 07, 2026 | 18.35 | 18.35 | 18.35 | 18.5 | 18.25 | 79,113 |
| August 06, 2026 | 18.4 | 18.4 | 18.4 | 18.55 | 18.25 | 37,577 |
| August 05, 2026 | 18.5 | 18.45 | 18.45 | 18.6 | 18.3 | 85,095 |
| August 04, 2026 | 18.35 | 18.45 | 18.45 | 18.5 | 18.25 | 74,889 |
| August 03, 2026 | 18.45 | 18.45 | 18.45 | 18.45 | 18.35 | 49,132 |
| July 31, 2026 | 18.5 | 18.6 | 18.6 | 19.1 | 18.35 | 61,710 |
| July 30, 2026 | 18.65 | 18.35 | 18.35 | 18.65 | 18.35 | 58,980 |
| July 29, 2026 | 19.3 | 18.7 | 18.7 | 19.3 | 18.35 | 148,637 |
| July 28, 2026 | 19.35 | 19.1 | 19.1 | 19.5 | 19.05 | 96,123 |
| July 27, 2026 | 19.3 | 19.35 | 19.35 | 19.4 | 19.15 | 32,527 |
| July 24, 2026 | 19.4 | 19.25 | 19.25 | 19.4 | 19.25 | 29,628 |
| July 23, 2026 | 19.4 | 19.55 | 19.55 | 19.55 | 19.3 | 27,138 |
| July 22, 2026 | 19.35 | 19.4 | 19.4 | 19.45 | 19.35 | 56,248 |
| July 21, 2026 | 19.5 | 19.45 | 19.45 | 19.55 | 19.35 | 46,483 |
| July 20, 2026 | 19.6 | 19.5 | 19.5 | 19.6 | 19.2 | 146,956 |
| July 17, 2026 | 19.75 | 19.35 | 19.35 | 19.75 | 19.3 | 105,997 |
| July 16, 2026 | 19.85 | 19.75 | 19.75 | 19.85 | 19.4 | 62,495 |
| July 15, 2026 | 19.85 | 19.85 | 19.85 | 19.9 | 19.65 | 45,323 |
| July 14, 2026 | 20 | 19.55 | 19.55 | 20 | 19.35 | 130,965 |
| July 13, 2026 | 19.95 | 19.85 | 19.85 | 20.05 | 19.65 | 40,592 |
| July 09, 2026 | 20.1 | 20.05 | 20.05 | 20.1 | 20 | 36,296 |
| July 08, 2026 | 20.1 | 20.1 | 20.1 | 20.1 | 20 | 60,499 |
| July 07, 2026 | 20.6 | 20.1 | 20.1 | 20.6 | 20 | 66,049 |
| July 06, 2026 | 20.45 | 20.6 | 20.6 | 20.75 | 20.45 | 96,820 |
| July 03, 2026 | 20.15 | 20.5 | 20.5 | 20.5 | 20.1 | 79,324 |
| July 02, 2026 | 20 | 20.15 | 20.15 | 20.2 | 19.95 | 53,633 |
| July 01, 2026 | 20.2 | 20 | 20 | 20.2 | 20 | 47,539 |
| June 30, 2026 | 20 | 20.1 | 20.1 | 20.15 | 20 | 43,633 |
| June 29, 2026 | 20 | 20 | 20 | 20.3 | 19.95 | 58,302 |
| June 26, 2026 | 20.4 | 20 | 20 | 20.4 | 19.9 | 111,579 |
| June 25, 2026 | 20.6 | 20.35 | 20.35 | 20.6 | 20.35 | 94,739 |
| June 24, 2026 | 20.2 | 20.55 | 20.55 | 20.8 | 20.2 | 89,759 |
| June 23, 2026 | 21.5 | 20.75 | 20.75 | 21.5 | 20.5 | 125,557 |
| June 22, 2026 | 20.6 | 20.55 | 20.55 | 20.65 | 20.5 | 102,666 |
| June 18, 2026 | 20.65 | 20.65 | 20.65 | 20.9 | 20.65 | 73,009 |
| June 17, 2026 | 20.6 | 20.7 | 20.7 | 20.8 | 20.45 | 51,866 |
| June 16, 2026 | 20.5 | 20.6 | 20.6 | 20.8 | 20.5 | 61,969 |
| June 15, 2026 | 20.4 | 20.5 | 20.5 | 20.65 | 20.35 | 88,978 |
| June 12, 2026 | 20.3 | 20.45 | 20.45 | 20.65 | 20.3 | 60,525 |
| June 11, 2026 | 20.35 | 20.3 | 20.3 | 20.8 | 20.25 | 95,769 |
| June 10, 2026 | 20.5 | 20.65 | 20.65 | 21.05 | 20.4 | 177,612 |
| June 09, 2026 | 20.55 | 20.6 | 20.6 | 20.9 | 20.45 | 183,787 |
| June 08, 2026 | 20.7 | 20.75 | 20.75 | 20.75 | 20 | 88,684 |
| June 05, 2026 | 22.5 | 21.65 | 21.65 | 22.5 | 21.5 | 153,108 |
| June 04, 2026 | 22.15 | 22.5 | 22.5 | 22.95 | 21.7 | 523,683 |
| June 03, 2026 | 20.5 | 22.55 | 22.55 | 22.55 | 20.5 | 247,485 |
| June 02, 2026 | 20.4 | 20.5 | 20.5 | 20.7 | 20.3 | 145,931 |
| June 01, 2026 | 20 | 20.4 | 20.4 | 20.5 | 19.9 | 134,306 |
| May 29, 2026 | 19.6 | 20 | 20 | 20.5 | 19.6 | 165,468 |
| May 28, 2026 | 19.5 | 19.65 | 19.65 | 20.45 | 19.5 | 141,755 |
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