HKEX · 2257 · stock
Sirnaomics Ltd. (2257) stock price history
Every HKEX trading session of Sirnaomics Ltd. from Dec 30, 2021 to Sep 28, 2026: 1,165 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.
2257 adjusted close, 2021 to 2026
- HK$99.00
- All time high, 2022
- HK$15.80
- 52 week high, HK$3.55 low
- 1,165
- Daily sessions since 2021
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2021 to 2026 series and minute bars.
2257 key facts
- Sirnaomics Ltd. (2257) closed at HK$3.70 on Sep 28, 2026 on HKEX.
- 2257's all time high close is HK$99.00, set on Jan 3, 2022; its all time low close is HK$2.53 on Nov 25, 2024.
- 2257's 52 week range is HK$3.55 to HK$15.80.
- 2257 returned -74.4% over the year to Sep 28, 2026.
- Since Dec 30, 2021 2257 returned -95%, -47.4% a year compounded.
- 2257's deepest drawdown was -97.4% from Jan 3, 2022 to Nov 25, 2024.
- DataCedar holds 1,165 daily sessions of 2257 history from Dec 30, 2021 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
2257 price chart, 2021 to 2026
2257 returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -6.3% |
| 3 months | -19.6% |
| 6 months | -37.6% |
| Year to date | -52.6% |
| 1 year | -74.4% |
| 3 years | -92.7% |
| 5 years | n/a |
| 10 years | n/a |
| Since Dec 30, 2021 | -95.3% |
| Compound annual growth, 4.7 years | -47.4% |
2257 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- HK$99.00 on Jan 3, 2022
- All time low close
- HK$2.53 on Nov 25, 2024
- 52 week high
- HK$15.80 on Oct 2, 2025
- 52 week low
- HK$3.55 on Sep 21, 2026
- Deepest drawdown
- -97.4% from Jan 3, 2022 to Nov 25, 2024, not yet recovered
- Best single session
- +25.8% on Jun 9, 2025
- Worst single session
- -24.4% on Feb 29, 2024
- Volatility, 1 year annualised
- 66.2%
- Sessions closing higher, 1 year
- 41%
- Best calendar year
- 2025, +122%
- Worst calendar year
- 2024, -90%
2257 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. 2021 starts on Dec 30, 2021; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | HK$7.66 | HK$10.72 | HK$3.55 | HK$3.70 | -51.8% | 29.4M | 182 |
| 2025 | HK$3.48 | HK$22.78 | HK$2.40 | HK$7.67 | +121.7% | 134.6M | 246 |
| 2024 | HK$35.80 | HK$36.00 | HK$2.35 | HK$3.46 | -90.3% | 475.9M | 246 |
| 2023 | HK$57.50 | HK$62.50 | HK$35.55 | HK$35.80 | -38.1% | 31.3M | 243 |
| 2022 | HK$91.20 | HK$101.00 | HK$51.05 | HK$57.80 | -36.1% | 38.6M | 246 |
| 2021 | HK$65.90 | HK$90.50 | HK$64.80 | HK$90.50 | n/a | 1.3M | 2 |
2257 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | HK$3.70 | -1.9% |
| August 2026 | HK$3.77 | -4.8% |
| July 2026 | HK$3.96 | -14.1% |
| June 2026 | HK$4.61 | -22.1% |
| May 2026 | HK$5.92 | -7.5% |
| April 2026 | HK$6.40 | +6.7% |
| March 2026 | HK$6.00 | -13.8% |
| February 2026 | HK$6.96 | -10.2% |
| January 2026 | HK$7.75 | +1.0% |
| December 2025 | HK$7.67 | -6.1% |
| November 2025 | HK$8.17 | -17.2% |
| October 2025 | HK$9.87 | -34.7% |
About the 2257 data
Daily bars. 1,165 sessions from Dec 30, 2021 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 30, 2021, 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/2257/bars?timeframe=1Day&adjustment=all&limit=50000" \
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Common questions
2257 share price history
