HKEX · 9866 · stock
NIO Inc. (9866) stock price history
Every HKEX trading session of NIO Inc. from Mar 10, 2022 to Sep 29, 2026: 1,119 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.
9866 adjusted close, 2022 to 2026
- HK$193.50
- All time high, 2022
- HK$61.75
- 52 week high, HK$26.72 low
- 1,119
- Daily sessions since 2022
Last updated Sep 29, 2026, the last stored session. Refreshes after each trading day. Full 2022 to 2026 series and minute bars.
9866 key facts
- NIO Inc. (9866) closed at HK$27.00 on Sep 29, 2026 on HKEX.
- 9866's all time high close is HK$193.50, set on Jun 27, 2022; its all time low close is HK$24.50 on Apr 7, 2025.
- 9866's 52 week range is HK$26.72 to HK$61.75.
- 9866 returned -51.5% over the year to Sep 29, 2026.
- Since Mar 10, 2022 9866 returned -83%, -32.2% a year compounded.
- 9866's deepest drawdown was -87.3% from Jun 27, 2022 to Apr 7, 2025.
- DataCedar holds 1,119 daily sessions of 9866 history from Mar 10, 2022 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
9866 price chart, 2022 to 2026
9866 returns
Price return from the last close on or before the window start to Sep 29, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -20.6% |
| 3 months | -29.4% |
| 6 months | -39.6% |
| Year to date | -34.5% |
| 1 year | -51.5% |
| 3 years | -62.2% |
| 5 years | n/a |
| 10 years | n/a |
| Since Mar 10, 2022 | -83.0% |
| Compound annual growth, 4.6 years | -32.2% |
9866 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- HK$193.50 on Jun 27, 2022
- All time low close
- HK$24.50 on Apr 7, 2025
- 52 week high
- HK$61.75 on Oct 9, 2025
- 52 week low
- HK$26.72 on Sep 29, 2026
- Deepest drawdown
- -87.3% from Jun 27, 2022 to Apr 7, 2025, not yet recovered
- Best single session
- +29.1% on Mar 16, 2022
- Worst single session
- -25.1% on Mar 15, 2022
- Volatility, 1 year annualised
- 51.5%
- Sessions closing higher, 1 year
- 43%
- Best calendar year
- 2025, +17%
- Worst calendar year
- 2024, -53%
9866 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. 2022 starts on Mar 10, 2022; 2026 runs to Sep 29, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | HK$41.52 | HK$54.95 | HK$26.72 | HK$27.00 | -34.0% | 1.1B | 183 |
| 2025 | HK$34.80 | HK$61.75 | HK$23.70 | HK$40.94 | +17.1% | 2.1B | 246 |
| 2024 | HK$72.75 | HK$72.85 | HK$28.60 | HK$34.95 | -52.5% | 844.8M | 246 |
| 2023 | HK$78.50 | HK$123.80 | HK$54.60 | HK$73.60 | -6.2% | 332.7M | 243 |
| 2022 | HK$160.00 | HK$199.20 | HK$69.55 | HK$78.50 | n/a | 171.4M | 201 |
9866 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | HK$27.00 | -18.6% |
| August 2026 | HK$33.18 | -14.5% |
| July 2026 | HK$38.82 | +0.2% |
| June 2026 | HK$38.74 | -8.8% |
| May 2026 | HK$42.50 | -13.6% |
| April 2026 | HK$49.20 | +12.2% |
| March 2026 | HK$43.86 | +10.8% |
| February 2026 | HK$39.60 | +2.5% |
| January 2026 | HK$38.62 | -5.7% |
| December 2025 | HK$40.94 | -5.9% |
| November 2025 | HK$43.52 | -20.3% |
| October 2025 | HK$54.60 | -4.9% |
About the 9866 data
Daily bars. 1,119 sessions from Mar 10, 2022 to Sep 29, 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 Mar 10, 2022, 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/9866/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on HKEX
Common questions
9866 share price history
