HKEX · 1640 · stock
Qian Xun Technology Limited (1640) stock price history
Every HKEX trading session of Qian Xun Technology Limited from Nov 12, 2019 to Sep 28, 2026: 1,692 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.
1640 adjusted close, 2019 to 2026
- HK$5.59
- All time high, 2025
- HK$4.79
- 52 week high, HK$0.3600 low
- 1,692
- Daily sessions since 2019
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2019 to 2026 series and minute bars.
1640 key facts
- Qian Xun Technology Limited (1640) closed at HK$0.4550 on Sep 28, 2026 on HKEX.
- 1640's all time high close is HK$5.59, set on Jul 11, 2025; its all time low close is HK$0.2070 on Sep 29, 2020.
- 1640's 52 week range is HK$0.3600 to HK$4.79.
- 1640 returned -90.0% over the year to Sep 28, 2026 and -12.5% over five years.
- Since Nov 12, 2019 1640 returned -63%, -13.6% a year compounded.
- 1640's deepest drawdown was -94.1% from Dec 18, 2019 to Sep 29, 2020.
- DataCedar holds 1,692 daily sessions of 1640 history from Nov 12, 2019 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
1640 price chart, 2019 to 2026
1640 returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +4.6% |
| 3 months | -22.9% |
| 6 months | -80.0% |
| Year to date | -87.5% |
| 1 year | -90.0% |
| 3 years | -4.2% |
| 5 years | -12.5% |
| 10 years | n/a |
| Since Nov 12, 2019 | -63.3% |
| Compound annual growth, 6.9 years | -13.6% |
1640 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- HK$5.59 on Jul 11, 2025
- All time low close
- HK$0.2070 on Sep 29, 2020
- 52 week high
- HK$4.79 on Oct 2, 2025
- 52 week low
- HK$0.3600 on Jul 27, 2026
- Deepest drawdown
- -94.1% from Dec 18, 2019 to Sep 29, 2020, recovered Jan 6, 2025
- Best single session
- +131.3% on Apr 19, 2021
- Worst single session
- -48.1% on Nov 27, 2019
- Volatility, 1 year annualised
- 102.7%
- Sessions closing higher, 1 year
- 38%
- Best calendar year
- 2024, +548%
- Worst calendar year
- 2020, -88%
1640 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. 2019 starts on Nov 12, 2019; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | HK$3.60 | HK$3.94 | HK$0.3600 | HK$0.4550 | -87.5% | 94.8M | 182 |
| 2025 | HK$3.03 | HK$6.40 | HK$2.94 | HK$3.65 | +17.4% | 207.5M | 246 |
| 2024 | HK$0.4800 | HK$3.11 | HK$0.4500 | HK$3.11 | +547.9% | 182.6M | 246 |
| 2023 | HK$0.4900 | HK$0.6500 | HK$0.1000 | HK$0.4800 | +5.5% | 24.1M | 243 |
| 2022 | HK$0.4150 | HK$0.6800 | HK$0.2600 | HK$0.4550 | +9.6% | 14.9M | 246 |
| 2021 | HK$0.3100 | HK$0.8900 | HK$0.2160 | HK$0.4150 | +43.1% | 236.5M | 247 |
| 2020 | HK$2.43 | HK$2.63 | HK$0.2000 | HK$0.2900 | -87.9% | 466.2M | 248 |
| 2019 | HK$1.13 | HK$3.55 | HK$0.9400 | HK$2.40 | n/a | 285M | 34 |
1640 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | HK$0.4550 | +11.0% |
| August 2026 | HK$0.4100 | -2.4% |
| July 2026 | HK$0.4200 | -27.6% |
| June 2026 | HK$0.5800 | -31.8% |
| May 2026 | HK$0.8500 | -14.1% |
| April 2026 | HK$0.9900 | -52.9% |
| March 2026 | HK$2.10 | -42.1% |
| February 2026 | HK$3.63 | +6.1% |
| January 2026 | HK$3.42 | -6.3% |
| December 2025 | HK$3.65 | -6.4% |
| November 2025 | HK$3.90 | -3.0% |
| October 2025 | HK$4.02 | -14.3% |
About the 1640 data
Daily bars. 1,692 sessions from Nov 12, 2019 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 29, 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 Nov 12, 2019, 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/1640/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on HKEX
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Common questions
1640 share price history
