HKEX · 1355 · stock
Biosysen Limited (1355) stock price history
Every HKEX trading session of Biosysen Limited from Jul 15, 2011 to Nov 12, 2026: 3,665 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.
1355 adjusted close, 2011 to 2026
- HK$2.64
- All time high, 2014
- HK$0.8800
- 52 week high, HK$0.1000 low
- 3,665
- Daily sessions since 2011
Last updated Nov 12, 2026, the last stored session. Refreshes after each trading day. Full 2011 to 2026 series and minute bars.
1355 key facts
- Biosysen Limited (1355) closed at HK$0.6950 on Nov 12, 2026 on HKEX.
- 1355's all time high close is HK$2.64, set on Feb 4, 2014; its all time low close is HK$0.0690 on Apr 7, 2025.
- 1355's 52 week range is HK$0.1000 to HK$0.8800.
- 1355 returned +418.7% over the year to Nov 12, 2026 and +82.9% over five years.
- Over ten years 1355 returned -28%, -3.3% a year compounded.
- 1355's deepest drawdown was -97.4% from Feb 4, 2014 to Apr 7, 2025.
- DataCedar holds 3,665 daily sessions of 1355 history from Jul 15, 2011 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
1355 price chart, 2011 to 2026
1355 returns
Price return from the last close on or before the window start to Nov 12, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +232.5% |
| 3 months | +299.4% |
| 6 months | +372.8% |
| Year to date | +479.2% |
| 1 year | +418.7% |
| 3 years | +210.3% |
| 5 years | +82.9% |
| 10 years | -28.4% |
| Since Jul 15, 2011 | -46.8% |
| Compound annual growth, 15.3 years | -4.0% |
1355 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- HK$2.64 on Feb 4, 2014
- All time low close
- HK$0.0690 on Apr 7, 2025
- 52 week high
- HK$0.8800 on Nov 11, 2026
- 52 week low
- HK$0.1000 on Dec 19, 2025
- Deepest drawdown
- -97.4% from Feb 4, 2014 to Apr 7, 2025, not yet recovered
- Best single session
- +76.1% on Sep 10, 2025
- Worst single session
- -25.7% on Oct 17, 2025
- Volatility, 1 year annualised
- 133.0%
- Sessions closing higher, 1 year
- 34%
- Best calendar year
- 2012, +66%
- Worst calendar year
- 2014, -66%
1355 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. 2011 starts on Jul 15, 2011; 2026 runs to Nov 12, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | HK$0.1250 | HK$0.8800 | HK$0.1095 | HK$0.6950 | +456.0% | 189.5M | 192 |
| 2025 | HK$0.1800 | HK$0.2380 | HK$0.0640 | HK$0.1250 | -31.3% | 294.9M | 235 |
| 2024 | HK$0.2280 | HK$0.4600 | HK$0.1000 | HK$0.1820 | -20.2% | 898.4M | 241 |
| 2023 | HK$0.2380 | HK$0.4000 | HK$0.1120 | HK$0.2280 | -4.2% | 3.9M | 240 |
| 2022 | HK$0.3050 | HK$0.3500 | HK$0.1810 | HK$0.2380 | -22.0% | 12.1M | 243 |
| 2021 | HK$0.3500 | HK$0.4800 | HK$0.2750 | HK$0.3050 | -19.7% | 23M | 238 |
| 2020 | HK$0.4750 | HK$0.6900 | HK$0.2060 | HK$0.3800 | -20.0% | 13.8M | 242 |
| 2019 | HK$0.8500 | HK$0.8500 | HK$0.3300 | HK$0.4750 | -44.1% | 7.3M | 240 |
| 2018 | HK$0.9000 | HK$1.60 | HK$0.7000 | HK$0.8500 | -5.6% | 182.8M | 241 |
| 2017 | HK$1.13 | HK$1.65 | HK$0.7400 | HK$0.9000 | -21.1% | 183.2M | 239 |
| 2016 | HK$1.00 | HK$1.42 | HK$0.5900 | HK$1.14 | +8.6% | 127M | 238 |
| 2015 | HK$0.7315 | HK$2.63 | HK$0.7223 | HK$1.05 | +43.5% | 721.8M | 242 |
| 2014 | HK$2.13 | HK$2.73 | HK$0.4630 | HK$0.7315 | -65.7% | 774.5M | 236 |
| 2013 | HK$2.04 | HK$2.32 | HK$1.48 | HK$2.13 | +6.0% | 176.2M | 241 |
| 2012 | HK$1.21 | HK$2.31 | HK$0.8519 | HK$2.01 | +65.6% | 192.2M | 242 |
| 2011 | HK$1.28 | HK$1.58 | HK$0.9260 | HK$1.21 | n/a | 66.5M | 115 |
1355 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | HK$0.6950 | +194.5% |
| October 2026 | HK$0.2360 | +9.3% |
| September 2026 | HK$0.2160 | +41.2% |
| August 2026 | HK$0.1530 | 0.0% |
| July 2026 | HK$0.1530 | +3.4% |
| June 2026 | HK$0.1480 | -1.3% |
| May 2026 | HK$0.1500 | +11.9% |
| April 2026 | HK$0.1340 | -14.6% |
| March 2026 | HK$0.1570 | -9.8% |
| February 2026 | HK$0.1740 | +24.3% |
| January 2026 | HK$0.1400 | +12.0% |
| December 2025 | HK$0.1250 | -10.7% |
About the 1355 data
Daily bars. 3,665 sessions from Jul 15, 2011 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 Nov 10, 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 Jul 15, 2011, 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%3A1355/bars?timeframe=1Day&adjustment=all&limit=50000" \
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Common questions
1355 share price history
