HKEX · 6622 · stock
Zhaoke Ophthalmology Limited (6622) stock price history
Every HKEX trading session of Zhaoke Ophthalmology Limited from Apr 29, 2021 to Sep 28, 2026: 1,332 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.
6622 adjusted close, 2021 to 2026
- HK$14.32
- All time high, 2021
- HK$3.85
- 52 week high, HK$2.38 low
- 1,332
- 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.
6622 key facts
- Zhaoke Ophthalmology Limited (6622) closed at HK$2.51 on Sep 28, 2026 on HKEX.
- 6622's all time high close is HK$14.32, set on Apr 29, 2021; its all time low close is HK$1.21 on Dec 31, 2024.
- 6622's 52 week range is HK$2.38 to HK$3.85.
- 6622 returned -30.0% over the year to Sep 28, 2026 and -66.2% over five years.
- Since Apr 29, 2021 6622 returned -83%, -27.5% a year compounded.
- 6622's deepest drawdown was -91.6% from Apr 29, 2021 to Dec 31, 2024.
- DataCedar holds 1,332 daily sessions of 6622 history from Apr 29, 2021 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
6622 price chart, 2021 to 2026
6622 returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -2.9% |
| 3 months | +3.5% |
| 6 months | -13.9% |
| Year to date | -18.7% |
| 1 year | -30.0% |
| 3 years | -26.8% |
| 5 years | -66.2% |
| 10 years | n/a |
| Since Apr 29, 2021 | -82.5% |
| Compound annual growth, 5.4 years | -27.5% |
6622 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- HK$14.32 on Apr 29, 2021
- All time low close
- HK$1.21 on Dec 31, 2024
- 52 week high
- HK$3.85 on Nov 11, 2025
- 52 week low
- HK$2.38 on May 28, 2026
- Deepest drawdown
- -91.6% from Apr 29, 2021 to Dec 31, 2024, not yet recovered
- Best single session
- +23.9% on Jun 7, 2023
- Worst single session
- -28.1% on Feb 1, 2024
- Volatility, 1 year annualised
- 42.3%
- Sessions closing higher, 1 year
- 42%
- Best calendar year
- 2025, +145%
- Worst calendar year
- 2024, -69%
6622 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 Apr 29, 2021; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | HK$2.97 | HK$3.79 | HK$2.38 | HK$2.51 | -15.4% | 92M | 182 |
| 2025 | HK$1.29 | HK$4.60 | HK$1.23 | HK$2.96 | +144.6% | 569.4M | 246 |
| 2024 | HK$3.93 | HK$3.93 | HK$1.21 | HK$1.21 | -69.4% | 141.5M | 246 |
| 2023 | HK$3.01 | HK$6.74 | HK$2.40 | HK$3.95 | +30.8% | 132.5M | 243 |
| 2022 | HK$5.67 | HK$5.84 | HK$2.02 | HK$3.02 | -47.0% | 89.4M | 246 |
| 2021 | HK$15.52 | HK$15.60 | HK$5.50 | HK$5.70 | n/a | 221.7M | 169 |
6622 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | HK$2.51 | -1.8% |
| August 2026 | HK$2.55 | +2.8% |
| July 2026 | HK$2.48 | -1.2% |
| June 2026 | HK$2.51 | -1.2% |
| May 2026 | HK$2.54 | -12.4% |
| April 2026 | HK$2.90 | -1.7% |
| March 2026 | HK$2.95 | -9.5% |
| February 2026 | HK$3.26 | -11.4% |
| January 2026 | HK$3.68 | +24.3% |
| December 2025 | HK$2.96 | -11.9% |
| November 2025 | HK$3.36 | +8.0% |
| October 2025 | HK$3.11 | -15.0% |
About the 6622 data
Daily bars. 1,332 sessions from Apr 29, 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 28, 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 Apr 29, 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/6622/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on HKEX
Common questions
6622 share price history
