SET · PROEN · stock
PROEN Corp Public Company Limited (PROEN) stock price history
Every SET trading session of PROEN Corp Public Company Limited from Apr 29, 2021 to Sep 28, 2026: 1,319 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.
PROEN adjusted close, 2021 to 2026
- THB 9.23
- All time high, 2022
- THB 1.47
- 52 week high, THB 0.7500 low
- 1,319
- 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.
PROEN key facts
- PROEN Corp Public Company Limited (PROEN) closed at THB 0.7800 on Sep 28, 2026 on SET.
- PROEN's all time high close is THB 9.23, set on Mar 11, 2022; its all time low close is THB 0.7700 on Sep 18, 2026.
- PROEN's 52 week range is THB 0.7500 to THB 1.47.
- PROEN returned -45.5% over the year to Sep 28, 2026 and -87.5% over five years.
- Since Apr 29, 2021 PROEN returned -90%, -35.0% a year compounded.
- PROEN's deepest drawdown was -91.7% from Mar 11, 2022 to Sep 18, 2026.
- DataCedar holds 1,319 daily sessions of PROEN history from Apr 29, 2021 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
PROEN price chart, 2021 to 2026
PROEN returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -9.3% |
| 3 months | -14.3% |
| 6 months | -19.6% |
| Year to date | -27.8% |
| 1 year | -45.5% |
| 3 years | -80.5% |
| 5 years | -87.5% |
| 10 years | n/a |
| Since Apr 29, 2021 | -90.3% |
| Compound annual growth, 5.4 years | -35.0% |
PROEN records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- THB 9.23 on Mar 11, 2022
- All time low close
- THB 0.7700 on Sep 18, 2026
- 52 week high
- THB 1.47 on Sep 29, 2025
- 52 week low
- THB 0.7500 on Sep 18, 2026
- Deepest drawdown
- -91.7% from Mar 11, 2022 to Sep 18, 2026, not yet recovered
- Best single session
- +26.0% on Feb 26, 2025
- Worst single session
- -30.4% on Jan 16, 2025
- Volatility, 1 year annualised
- 41.5%
- Sessions closing higher, 1 year
- 34%
- Best calendar year
- 2022, -18%
- Worst calendar year
- 2025, -56%
PROEN 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 | THB 1.07 | THB 1.34 | THB 0.7500 | THB 0.7800 | -27.8% | 395.9M | 186 |
| 2025 | THB 2.44 | THB 2.58 | THB 1.01 | THB 1.08 | -56.1% | 2.9B | 242 |
| 2024 | THB 3.34 | THB 4.74 | THB 0.9900 | THB 2.46 | -22.6% | 2.7B | 243 |
| 2023 | THB 5.65 | THB 6.88 | THB 2.76 | THB 3.18 | -44.2% | 986.5M | 243 |
| 2022 | THB 6.88 | THB 9.96 | THB 4.79 | THB 5.70 | -18.4% | 1.6B | 241 |
| 2021 | THB 9.41 | THB 9.41 | THB 5.65 | THB 6.98 | n/a | 1.3B | 164 |
PROEN monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | THB 0.7800 | -10.3% |
| August 2026 | THB 0.8700 | -12.1% |
| July 2026 | THB 0.9900 | +6.5% |
| June 2026 | THB 0.9300 | 0.0% |
| May 2026 | THB 0.9300 | -3.1% |
| April 2026 | THB 0.9600 | -5.0% |
| March 2026 | THB 1.01 | -10.6% |
| February 2026 | THB 1.13 | +0.9% |
| January 2026 | THB 1.12 | +3.7% |
| December 2025 | THB 1.08 | +3.8% |
| November 2025 | THB 1.04 | -8.0% |
| October 2025 | THB 1.13 | -11.7% |
About the PROEN data
Daily bars. 1,319 sessions from Apr 29, 2021 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 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/PROEN/bars?timeframe=1Day&adjustment=all&limit=50000" \
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Common questions
PROEN share price history
