HKEX · 8420 · stock
Nexion Technologies Limited (8420) stock price history
Every HKEX trading session of Nexion Technologies Limited from Jun 19, 2017 to Nov 12, 2026: 2,234 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.
8420 adjusted close, 2017 to 2026
- HK$1.25
- All time high, 2017
- HK$0.0540
- 52 week high, HK$0.0210 low
- 2,234
- Daily sessions since 2017
Last updated Nov 12, 2026, the last stored session. Refreshes after each trading day. Full 2017 to 2026 series and minute bars.
8420 key facts
- Nexion Technologies Limited (8420) closed at HK$0.0220 on Nov 12, 2026 on HKEX.
- 8420's all time high close is HK$1.25, set on Dec 8, 2017; its all time low close is HK$0.0120 on Aug 27, 2024.
- 8420's 52 week range is HK$0.0210 to HK$0.0540.
- 8420 returned -53.2% over the year to Nov 12, 2026 and -91.4% over five years.
- Since Jun 19, 2017 8420 returned -95%, -27.9% a year compounded.
- 8420's deepest drawdown was -99.0% from Dec 8, 2017 to Aug 27, 2024.
- DataCedar holds 2,234 daily sessions of 8420 history from Jun 19, 2017 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
8420 price chart, 2017 to 2026
8420 returns
Price return from the last close on or before the window start to Nov 12, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -26.7% |
| 3 months | -29.0% |
| 6 months | -33.3% |
| Year to date | -31.3% |
| 1 year | -53.2% |
| 3 years | -35.3% |
| 5 years | -91.4% |
| 10 years | n/a |
| Since Jun 19, 2017 | -95.4% |
| Compound annual growth, 9.4 years | -27.9% |
8420 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- HK$1.25 on Dec 8, 2017
- All time low close
- HK$0.0120 on Aug 27, 2024
- 52 week high
- HK$0.0540 on Feb 5, 2026
- 52 week low
- HK$0.0210 on Nov 12, 2026
- Deepest drawdown
- -99.0% from Dec 8, 2017 to Aug 27, 2024, not yet recovered
- Best single session
- +275.0% on Oct 21, 2024
- Worst single session
- -40.0% on Dec 14, 2022
- Volatility, 1 year annualised
- 92.7%
- Sessions closing higher, 1 year
- 22%
- Best calendar year
- 2020, +611%
- Worst calendar year
- 2018, -78%
8420 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. 2017 starts on Jun 19, 2017; 2026 runs to Nov 12, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | HK$0.0290 | HK$0.0540 | HK$0.0210 | HK$0.0220 | -31.3% | 96.7M | 204 |
| 2025 | HK$0.0230 | HK$0.0530 | HK$0.0190 | HK$0.0320 | +28.0% | 94.3M | 235 |
| 2024 | HK$0.0260 | HK$0.0860 | HK$0.0110 | HK$0.0250 | 0.0% | 199.8M | 239 |
| 2023 | HK$0.0440 | HK$0.1480 | HK$0.0230 | HK$0.0250 | -43.2% | 98.7M | 231 |
| 2022 | HK$0.1620 | HK$0.3200 | HK$0.0360 | HK$0.0440 | -73.0% | 16.7M | 235 |
| 2021 | HK$0.6300 | HK$0.6300 | HK$0.1000 | HK$0.1630 | -74.5% | 104.9M | 235 |
| 2020 | HK$0.0780 | HK$0.8600 | HK$0.0750 | HK$0.6400 | +611.1% | 1.5B | 245 |
| 2019 | HK$0.1300 | HK$0.1680 | HK$0.0760 | HK$0.0900 | -33.3% | 97.6M | 235 |
| 2018 | HK$0.6200 | HK$0.7800 | HK$0.1020 | HK$0.1350 | -77.9% | 591.2M | 239 |
| 2017 | HK$0.4800 | HK$1.60 | HK$0.4200 | HK$0.6100 | n/a | 791.2M | 136 |
8420 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | HK$0.0220 | -21.4% |
| October 2026 | HK$0.0280 | -3.4% |
| September 2026 | HK$0.0290 | -3.3% |
| August 2026 | HK$0.0300 | -18.9% |
| July 2026 | HK$0.0370 | +15.6% |
| June 2026 | HK$0.0320 | -11.1% |
| May 2026 | HK$0.0360 | -2.7% |
| April 2026 | HK$0.0370 | -7.5% |
| March 2026 | HK$0.0400 | -13.0% |
| February 2026 | HK$0.0460 | +64.3% |
| January 2026 | HK$0.0280 | -12.5% |
| December 2025 | HK$0.0320 | -8.6% |
About the 8420 data
Daily bars. 2,234 sessions from Jun 19, 2017 to Nov 12, 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 Oct 21, 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 Jun 19, 2017, 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/hkex%3A8420/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on HKEX
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Common questions
8420 share price history
