SET · GPSC · stock
Global Power Synergy Public Company Limited (GPSC) stock price history
Every SET trading session of Global Power Synergy Public Company Limited from May 18, 2015 to Sep 28, 2026: 2,770 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.
GPSC adjusted close, 2015 to 2026
- THB 84.42
- All time high, 2020
- THB 55.14
- 52 week high, THB 29.67 low
- 2,770
- Daily sessions since 2015
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2015 to 2026 series and minute bars.
GPSC key facts
- Global Power Synergy Public Company Limited (GPSC) closed at THB 49.00 on Sep 28, 2026 on SET.
- GPSC's all time high close is THB 84.42, set on Jan 23, 2020; its all time low close is THB 14.91 on Dec 22, 2015.
- GPSC's 52 week range is THB 29.67 to THB 55.14.
- GPSC returned +29.8% over the year to Sep 28, 2026 and -28.6% over five years.
- Over ten years GPSC returned +88%, +6.5% a year compounded.
- GPSC's deepest drawdown was -73.4% from Jan 23, 2020 to Apr 8, 2025.
- DataCedar holds 2,770 daily sessions of GPSC history from May 18, 2015 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
GPSC price chart, 2015 to 2026
GPSC returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -8.8% |
| 3 months | +12.6% |
| 6 months | +47.9% |
| Year to date | +40.6% |
| 1 year | +29.8% |
| 3 years | +22.6% |
| 5 years | -28.6% |
| 10 years | +87.6% |
| Since May 18, 2015 | +176.0% |
| Compound annual growth, 11.4 years | +9.3% |
GPSC records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- THB 84.42 on Jan 23, 2020
- All time low close
- THB 14.91 on Dec 22, 2015
- 52 week high
- THB 55.14 on Jul 20, 2026
- 52 week low
- THB 29.67 on Mar 23, 2026
- Deepest drawdown
- -73.4% from Jan 23, 2020 to Apr 8, 2025, not yet recovered
- Best single session
- +15.9% on Dec 28, 2020
- Worst single session
- -14.6% on Mar 23, 2020
- Volatility, 1 year annualised
- 40.3%
- Sessions closing higher, 1 year
- 43%
- Growth of 1 since 2015
- 2.8×
- Best calendar year
- 2017, +100%
- Worst calendar year
- 2023, -33%
GPSC 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. 2015 starts on May 18, 2015; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | THB 35.33 | THB 55.14 | THB 29.67 | THB 49.00 | +40.6% | 1.9B | 186 |
| 2025 | THB 35.76 | THB 41.62 | THB 21.42 | THB 34.85 | -3.2% | 2B | 242 |
| 2024 | THB 46.66 | THB 52.64 | THB 33.31 | THB 35.99 | -19.7% | 1.8B | 243 |
| 2023 | THB 67.23 | THB 69.06 | THB 34.41 | THB 44.81 | -32.9% | 1.9B | 243 |
| 2022 | THB 80.08 | THB 80.31 | THB 52.36 | THB 66.77 | -16.4% | 2.3B | 241 |
| 2021 | THB 63.98 | THB 80.76 | THB 60.14 | THB 79.86 | +22.7% | 4B | 241 |
| 2020 | THB 74.46 | THB 85.07 | THB 37.65 | THB 65.08 | -12.3% | 4.7B | 243 |
| 2019 | THB 44.25 | THB 82.69 | THB 40.85 | THB 74.25 | +67.8% | 2.8B | 244 |
| 2018 | THB 53.93 | THB 65.09 | THB 39.90 | THB 44.25 | -17.4% | 1.3B | 245 |
| 2017 | THB 26.84 | THB 55.05 | THB 22.78 | THB 53.56 | +99.6% | 1.1B | 242 |
| 2016 | THB 15.33 | THB 28.64 | THB 15.05 | THB 26.84 | +74.3% | 1.4B | 244 |
| 2015 | THB 17.92 | THB 19.29 | THB 14.84 | THB 15.40 | n/a | 1.2B | 156 |
GPSC monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | THB 49.00 | -7.5% |
| August 2026 | THB 53.00 | +3.5% |
| July 2026 | THB 51.18 | +17.6% |
| June 2026 | THB 43.52 | +8.6% |
| May 2026 | THB 40.06 | +16.5% |
| April 2026 | THB 34.37 | +2.2% |
| March 2026 | THB 33.63 | -21.8% |
| February 2026 | THB 43.02 | +25.2% |
| January 2026 | THB 34.36 | -1.4% |
| December 2025 | THB 34.85 | +2.9% |
| November 2025 | THB 33.88 | -15.7% |
| October 2025 | THB 40.17 | +7.1% |
About the GPSC data
Daily bars. 2,770 sessions from May 18, 2015 to Sep 28, 2026, one row per SET 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 SET trading days; minute timestamps are UTC. Prices are in THB. 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 May 18, 2015, 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/GPSC/bars?timeframe=1Day&adjustment=all&limit=50000" \
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Common questions
GPSC share price history
