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Prices are from Yahoo! Finance and may be delayed. Always check the latest price before trading.
Transtech Optelecom Science Holdings Limited closed at HK$9.45 on Nov 12, 2026, +11.2% over 1 month, +2,150.0% over 1 year.
If you had invested HK$10,000 1 month ago, it would be worth HK$11,124 today (+11.2%).Price change only; dividends and fees are not included.
Over the same period the Hang Seng Index moved −1.1%, while this stock moved +11.2%.
| Date | Close | Change | % Change |
|---|---|---|---|
| Nov 12 (Thu) | HK$9.45 | −0.30 | −3.08% |
| Nov 11 (Wed) | HK$9.75 | +0.18 | +1.88% |
| Nov 10 (Tue) | HK$9.57 | −0.02 | −0.21% |
| Nov 9 (Mon) | HK$9.59 | +0.13 | +1.37% |
| Nov 6 (Fri) | HK$9.46 | −0.14 | −1.46% |
| Nov 5 (Thu) | HK$9.60 | −0.29 | −2.93% |
| Nov 4 (Wed) | HK$9.89 | +0.14 | +1.44% |
| Nov 3 (Tue) | HK$9.75 | +0.25 | +2.63% |
| Nov 2 (Mon) | HK$9.50 | +0.05 | +0.53% |
| Oct 30 (Fri) | HK$9.45 | −0.05 | −0.53% |
If you had invested HK$10,000 3 months ago, it would be worth HK$11,531 today (+15.3%).Price change only; dividends and fees are not included.
Over the same period the Hang Seng Index moved −5.6%, while this stock moved +15.3%.
| Date | Close | Change | % Change |
|---|---|---|---|
| Nov 12 (Thu) | HK$9.45 | −0.30 | −3.08% |
| Nov 11 (Wed) | HK$9.75 | +0.18 | +1.88% |
| Nov 10 (Tue) | HK$9.57 | −0.02 | −0.21% |
| Nov 9 (Mon) | HK$9.59 | +0.13 | +1.37% |
| Nov 6 (Fri) | HK$9.46 | −0.14 | −1.46% |
| Nov 5 (Thu) | HK$9.60 | −0.29 | −2.93% |
| Nov 4 (Wed) | HK$9.89 | +0.14 | +1.44% |
| Nov 3 (Tue) | HK$9.75 | +0.25 | +2.63% |
| Nov 2 (Mon) | HK$9.50 | +0.05 | +0.53% |
| Oct 30 (Fri) | HK$9.45 | −0.05 | −0.53% |
If you had invested HK$10,000 6 months ago, it would be worth HK$12,770 today (+27.7%).Price change only; dividends and fees are not included.
Over the same period the Hang Seng Index moved −8.9%, while this stock moved +27.7%.
| Month | Month-End Close | Monthly % |
|---|---|---|
| Nov 2026 | HK$9.45 | +0.0% |
| Oct 2026 | HK$9.45 | +4.5% |
| Sep 2026 | HK$9.04 | −15.4% |
| Aug 2026 | HK$10.69 | +64.5% |
| Jul 2026 | HK$6.50 | −40.1% |
| Jun 2026 | HK$10.85 | +77.6% |
| May 2026 | HK$6.11 | +12.9% |
If you had invested HK$10,000 1 year ago, it would be worth HK$225,000 today (+2,150.0%).Price change only; dividends and fees are not included.
Over the same period the Hang Seng Index moved −10.8%, while this stock moved +2,150.0%.
| Month | Month-End Close | Monthly % |
|---|---|---|
| Nov 2026 | HK$9.45 | +0.0% |
| Oct 2026 | HK$9.45 | +4.5% |
| Sep 2026 | HK$9.04 | −15.4% |
| Aug 2026 | HK$10.69 | +64.5% |
| Jul 2026 | HK$6.50 | −40.1% |
| Jun 2026 | HK$10.85 | +77.6% |
| May 2026 | HK$6.11 | +12.9% |
| Apr 2026 | HK$5.41 | +155.2% |
| Mar 2026 | HK$2.12 | +17.8% |
| Feb 2026 | HK$1.80 | +20.8% |
| Jan 2026 | HK$1.49 | +29.6% |
| Dec 2025 | HK$1.15 | +173.8% |
| Nov 2025 | HK$0.42 | +0.0% |
If you had invested HK$10,000 3 years ago, it would be worth HK$255,405 today (+2,454.1%).Price change only; dividends and fees are not included.
Over the same period the Hang Seng Index moved +37.6%, while this stock moved +2,454.1%.
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | HK$9.45 | +721.7% |
| 2025 | HK$1.15 | ― |
If you had invested HK$10,000 5 years ago, it would be worth HK$65,172 today (+551.7%).Price change only; dividends and fees are not included.
Over the same period the Hang Seng Index moved −4.2%, while this stock moved +551.7%.
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | HK$9.45 | +721.7% |
| 2025 | HK$1.15 | ― |
If you had invested HK$10,000 in Jul 2017, it would be worth HK$56,250 today (+462.5%).Price change only; dividends and fees are not included.
Over the same period the Hang Seng Index moved −14.2%, while this stock moved +462.5%.
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | HK$9.45 | +594.9% |
| 2025 | HK$1.36 | +300.0% |
| 2024 | HK$0.34 | −5.6% |
| 2023 | HK$0.36 | −35.7% |
| 2022 | HK$0.56 | −61.1% |
| 2021 | HK$1.44 | −7.1% |
| 2020 | HK$1.55 | +66.7% |
| 2019 | HK$0.93 | −36.7% |
| 2018 | HK$1.47 | −50.2% |
| 2017 | HK$2.95 | ― |
Daily, weekly and monthly closes (Yahoo! Finance, split-adjusted, dividends excluded). "All" covers the range Yahoo provides (from Jul 2017). Please check the latest prices before trading.
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