HKEX · 8490 · stock
Niche-Tech Semiconductor Materials Limited (8490) stock price history
Every HKEX trading session of Niche-Tech Semiconductor Materials Limited from May 30, 2018 to Sep 28, 2026: 2,051 daily bars, adjusted for splits and dividends, with minute bars from Sep 17, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
8490 adjusted close, 2018 to 2026
- HK$0.5927
- All time high, 2019
- HK$0.2750
- 52 week high, HK$0.0650 low
- 2,051
- Daily sessions since 2018
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2018 to 2026 series and minute bars.
8490 key facts
- Niche-Tech Semiconductor Materials Limited (8490) closed at HK$0.0890 on Sep 28, 2026 on HKEX.
- 8490's all time high close is HK$0.5927, set on May 16, 2019; its all time low close is HK$0.0790 on Apr 1, 2026.
- 8490's 52 week range is HK$0.0650 to HK$0.2750.
- 8490 returned -53.9% over the year to Sep 28, 2026 and -70.3% over five years.
- Since May 30, 2018 8490 returned -84%, -20.0% a year compounded.
- 8490's deepest drawdown was -86.7% from May 16, 2019 to Apr 1, 2026.
- DataCedar holds 2,051 daily sessions of 8490 history from May 30, 2018 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
8490 price chart, 2018 to 2026
8490 returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -21.2% |
| 3 months | -37.3% |
| 6 months | +7.2% |
| Year to date | -19.1% |
| 1 year | -53.9% |
| 3 years | -51.4% |
| 5 years | -70.3% |
| 10 years | n/a |
| Since May 30, 2018 | -84.5% |
| Compound annual growth, 8.3 years | -20.0% |
8490 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- HK$0.5927 on May 16, 2019
- All time low close
- HK$0.0790 on Apr 1, 2026
- 52 week high
- HK$0.2750 on Oct 2, 2025
- 52 week low
- HK$0.0650 on Sep 24, 2026
- Deepest drawdown
- -86.7% from May 16, 2019 to Apr 1, 2026, not yet recovered
- Best single session
- +159.9% on Oct 7, 2024
- Worst single session
- -24.3% on Oct 9, 2024
- Volatility, 1 year annualised
- 119.7%
- Sessions closing higher, 1 year
- 29%
- Best calendar year
- 2019, +60%
- Worst calendar year
- 2023, -43%
8490 price history by year
Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2018 starts on May 30, 2018; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | HK$0.1020 | HK$0.2550 | HK$0.0650 | HK$0.0890 | -14.4% | 184.4M | 182 |
| 2025 | HK$0.1710 | HK$0.3000 | HK$0.1040 | HK$0.1040 | -41.9% | 85.4M | 246 |
| 2024 | HK$0.1390 | HK$0.5500 | HK$0.1270 | HK$0.1790 | +28.8% | 77M | 246 |
| 2023 | HK$0.2448 | HK$0.3011 | HK$0.1220 | HK$0.1390 | -42.5% | 18.3M | 243 |
| 2022 | HK$0.2654 | HK$0.3474 | HK$0.1392 | HK$0.2419 | -8.9% | 7.6M | 246 |
| 2021 | HK$0.3155 | HK$0.4541 | HK$0.2390 | HK$0.2654 | -15.9% | 12.9M | 247 |
| 2020 | HK$0.4493 | HK$0.4971 | HK$0.2247 | HK$0.3155 | -31.2% | 9.9M | 248 |
| 2019 | HK$0.2677 | HK$0.6118 | HK$0.2199 | HK$0.4589 | +60.0% | 120.1M | 246 |
| 2018 | HK$0.6023 | HK$0.7074 | HK$0.2294 | HK$0.2868 | n/a | 351.2M | 147 |
8490 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | HK$0.0890 | -13.6% |
| August 2026 | HK$0.1030 | -7.2% |
| July 2026 | HK$0.1110 | -26.0% |
| June 2026 | HK$0.1500 | -11.8% |
| May 2026 | HK$0.1700 | +58.9% |
| April 2026 | HK$0.1070 | +33.8% |
| March 2026 | HK$0.0800 | -27.3% |
| February 2026 | HK$0.1100 | -9.1% |
| January 2026 | HK$0.1210 | +16.3% |
| December 2025 | HK$0.1040 | -16.8% |
| November 2025 | HK$0.1250 | -15.0% |
| October 2025 | HK$0.1470 | -9.8% |
About the 8490 data
Daily bars. 2,051 sessions from May 30, 2018 to Sep 28, 2026, one row per HKEX trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.
Minute bars. Stored from Sep 17, 2026 forward, most recent session Sep 28, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.
Time and currency. Session dates are HKEX trading days; minute timestamps are UTC. Prices are in HKD. Volume is shares traded on the session.
Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to May 30, 2018, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.
curl "https://api.datacedar.com/v3/stocks/8490/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on HKEX
Common questions
8490 share price history
