HKEX · 9663 · stock
Sino-Synergy Hydrogen Energy Technology (Jiaxing) Co., Ltd. (9663) stock price history
Every HKEX trading session of Sino-Synergy Hydrogen Energy Technology (Jiaxing) Co., Ltd. from Dec 5, 2023 to Sep 28, 2026: 691 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.
9663 adjusted close, 2023 to 2026
- HK$26.45
- All time high, 2024
- HK$7.35
- 52 week high, HK$2.00 low
- 691
- Daily sessions since 2023
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2023 to 2026 series and minute bars.
9663 key facts
- Sino-Synergy Hydrogen Energy Technology (Jiaxing) Co., Ltd. (9663) closed at HK$2.37 on Sep 28, 2026 on HKEX.
- 9663's all time high close is HK$26.45, set on Sep 20, 2024; its all time low close is HK$2.10 on Sep 11, 2026.
- 9663's 52 week range is HK$2.00 to HK$7.35.
- 9663 returned -58.3% over the year to Sep 28, 2026.
- Since Dec 5, 2023 9663 returned -88%, -53.0% a year compounded.
- 9663's deepest drawdown was -92.1% from Sep 20, 2024 to Sep 11, 2026.
- DataCedar holds 691 daily sessions of 9663 history from Dec 5, 2023 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
9663 price chart, 2023 to 2026
9663 returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -1.3% |
| 3 months | -16.8% |
| 6 months | -45.9% |
| Year to date | -51.8% |
| 1 year | -58.3% |
| 3 years | n/a |
| 5 years | n/a |
| 10 years | n/a |
| Since Dec 5, 2023 | -88.0% |
| Compound annual growth, 2.8 years | -53.0% |
9663 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- HK$26.45 on Sep 20, 2024
- All time low close
- HK$2.10 on Sep 11, 2026
- 52 week high
- HK$7.35 on Oct 8, 2025
- 52 week low
- HK$2.00 on Sep 11, 2026
- Deepest drawdown
- -92.1% from Sep 20, 2024 to Sep 11, 2026, not yet recovered
- Best single session
- +27.7% on Jul 8, 2024
- Worst single session
- -36.8% on Dec 5, 2024
- Volatility, 1 year annualised
- 65.4%
- Sessions closing higher, 1 year
- 40%
- Best calendar year
- 2024, -25%
- Worst calendar year
- 2025, -66%
9663 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. 2023 starts on Dec 5, 2023; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | HK$4.89 | HK$5.33 | HK$2.00 | HK$2.37 | -52.9% | 22.8M | 182 |
| 2025 | HK$14.40 | HK$13.48 | HK$4.29 | HK$5.03 | -66.0% | 50.5M | 246 |
| 2024 | HK$19.98 | HK$26.45 | HK$9.99 | HK$14.80 | -24.8% | 49.9M | 246 |
| 2023 | HK$16.50 | HK$20.00 | HK$14.38 | HK$19.68 | n/a | 35.9M | 17 |
9663 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | HK$2.37 | -3.5% |
| August 2026 | HK$2.45 | +1.9% |
| July 2026 | HK$2.41 | -19.4% |
| June 2026 | HK$2.99 | -9.4% |
| May 2026 | HK$3.30 | -15.6% |
| April 2026 | HK$3.91 | -9.9% |
| March 2026 | HK$4.34 | -12.3% |
| February 2026 | HK$4.95 | +2.1% |
| January 2026 | HK$4.85 | -3.6% |
| December 2025 | HK$5.03 | +5.7% |
| November 2025 | HK$4.76 | -16.0% |
| October 2025 | HK$5.67 | -10.0% |
About the 9663 data
Daily bars. 691 sessions from Dec 5, 2023 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 Dec 5, 2023, 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/9663/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on HKEX
Common questions
9663 share price history
