HKEX · 0991 · stock
Datang International Power Generation Co., Ltd. (0991) stock price history
Every HKEX trading session of Datang International Power Generation Co., Ltd. from Jan 4, 2000 to Sep 29, 2026: 6,665 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.
0991 adjusted close, 2000 to 2026
- HK$4.55
- All time high, 2007
- HK$3.36
- 52 week high, HK$1.94 low
- 6,665
- Daily sessions since 2000
Last updated Sep 29, 2026, the last stored session. Refreshes after each trading day. Full 2000 to 2026 series and minute bars.
0991 key facts
- Datang International Power Generation Co., Ltd. (0991) closed at HK$2.64 on Sep 29, 2026 on HKEX.
- 0991's all time high close is HK$4.55, set on Oct 18, 2007; its all time low close is HK$0.1491 on Mar 2, 2000.
- 0991's 52 week range is HK$1.94 to HK$3.36.
- 0991 returned +31.6% over the year to Sep 29, 2026 and +111.7% over five years.
- Over ten years 0991 returned +87%, +6.4% a year compounded.
- 0991's deepest drawdown was -84.6% from Oct 18, 2007 to Mar 23, 2020.
- DataCedar holds 6,665 daily sessions of 0991 history from Jan 4, 2000 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
0991 price chart, 2000 to 2026
0991 returns
Price return from the last close on or before the window start to Sep 29, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +8.5% |
| 3 months | +13.1% |
| 6 months | +4.0% |
| Year to date | +31.5% |
| 1 year | +31.6% |
| 3 years | +148.0% |
| 5 years | +111.7% |
| 10 years | +86.7% |
| Since Jan 4, 2000 | +940.8% |
| Compound annual growth, 26.7 years | +9.2% |
0991 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- HK$4.55 on Oct 18, 2007
- All time low close
- HK$0.1491 on Mar 2, 2000
- 52 week high
- HK$3.36 on May 13, 2026
- 52 week low
- HK$1.94 on Sep 29, 2025
- Deepest drawdown
- -84.6% from Oct 18, 2007 to Mar 23, 2020, not yet recovered
- Best single session
- +23.1% on Jul 8, 2014
- Worst single session
- -29.5% on Oct 27, 2022
- Volatility, 1 year annualised
- 43.6%
- Sessions closing higher, 1 year
- 45%
- Growth of 1 since 2000
- 10.4×
- Best calendar year
- 2003, +127%
- Worst calendar year
- 2015, -41%
0991 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. 2000 starts on Jan 4, 2000; 2026 runs to Sep 29, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | HK$2.02 | HK$3.36 | HK$1.99 | HK$2.64 | +29.1% | 10B | 183 |
| 2025 | HK$1.26 | HK$2.40 | HK$1.12 | HK$2.05 | +62.0% | 7.9B | 246 |
| 2024 | HK$1.07 | HK$1.60 | HK$0.9512 | HK$1.26 | +17.6% | 5.8B | 246 |
| 2023 | HK$1.08 | HK$1.45 | HK$0.9250 | HK$1.07 | -1.0% | 4.8B | 243 |
| 2022 | HK$1.50 | HK$1.66 | HK$0.8114 | HK$1.08 | -27.8% | 6.9B | 246 |
| 2021 | HK$0.7902 | HK$1.65 | HK$0.7823 | HK$1.50 | +90.2% | 4.5B | 247 |
| 2020 | HK$1.09 | HK$1.11 | HK$0.6808 | HK$0.7902 | -27.6% | 2.5B | 248 |
| 2019 | HK$1.28 | HK$1.61 | HK$1.02 | HK$1.09 | -14.1% | 1.2B | 246 |
| 2018 | HK$1.54 | HK$1.80 | HK$1.16 | HK$1.27 | -17.2% | 2.9B | 246 |
| 2017 | HK$1.35 | HK$1.97 | HK$1.32 | HK$1.53 | +13.8% | 4.6B | 247 |
| 2016 | HK$1.42 | HK$1.49 | HK$1.14 | HK$1.35 | -5.3% | 4.1B | 247 |
| 2015 | HK$2.44 | HK$2.91 | HK$1.34 | HK$1.42 | -41.1% | 4.7B | 247 |
| 2014 | HK$2.01 | HK$2.66 | HK$1.53 | HK$2.41 | +21.0% | 4B | 247 |
| 2013 | HK$1.61 | HK$2.14 | HK$1.49 | HK$2.00 | +24.6% | 3.9B | 245 |
| 2012 | HK$1.34 | HK$1.69 | HK$1.27 | HK$1.60 | +19.6% | 3.4B | 246 |
| 2011 | HK$1.40 | HK$1.63 | HK$0.9381 | HK$1.34 | -3.6% | 3.7B | 246 |
| 2010 | HK$1.67 | HK$1.87 | HK$1.36 | HK$1.39 | -16.9% | 5.8B | 249 |
| 2009 | HK$2.00 | HK$2.68 | HK$1.45 | HK$1.67 | -15.6% | 7.5B | 249 |
| 2008 | HK$3.26 | HK$3.27 | HK$1.04 | HK$1.98 | -39.6% | 10.8B | 247 |
| 2007 | HK$1.89 | HK$4.78 | HK$1.58 | HK$3.28 | +74.9% | 10.8B | 246 |
| 2006 | HK$1.26 | HK$1.94 | HK$1.08 | HK$1.87 | +48.1% | 6.4B | 247 |
| 2005 | HK$1.25 | HK$1.38 | HK$1.13 | HK$1.26 | +1.2% | 4.2B | 247 |
| 2004 | HK$1.15 | HK$1.54 | HK$1.03 | HK$1.25 | +8.7% | 6.1B | 262 |
| 2003 | HK$0.5053 | HK$1.17 | HK$0.4753 | HK$1.15 | +127.4% | 6.4B | 261 |
| 2002 | HK$0.4677 | HK$0.7405 | HK$0.4603 | HK$0.5053 | +8.0% | 5.6B | 261 |
| 2001 | HK$0.3669 | HK$0.6425 | HK$0.3479 | HK$0.4677 | +27.5% | 7.2B | 261 |
| 2000 | HK$0.2297 | HK$0.4393 | HK$0.1474 | HK$0.3669 | n/a | 5.9B | 259 |
0991 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | HK$2.64 | +5.4% |
| August 2026 | HK$2.51 | +2.4% |
| July 2026 | HK$2.45 | +5.0% |
| June 2026 | HK$2.33 | -20.4% |
| May 2026 | HK$2.93 | +16.7% |
| April 2026 | HK$2.51 | +7.6% |
| March 2026 | HK$2.33 | -5.3% |
| February 2026 | HK$2.46 | +12.8% |
| January 2026 | HK$2.18 | +6.8% |
| December 2025 | HK$2.05 | -4.8% |
| November 2025 | HK$2.15 | -3.3% |
| October 2025 | HK$2.22 | +9.3% |
About the 0991 data
Daily bars. 6,665 sessions from Jan 4, 2000 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 Jan 4, 2000, 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/0991/bars?timeframe=1Day&adjustment=all&limit=50000" \
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Common questions
0991 share price history
