SET · PROEN-R · stock
PROEN Corp Public Company Limited (PROEN-R) stock price history
Every SET trading session of PROEN Corp Public Company Limited from Apr 30, 2021 to Sep 28, 2026: 1,318 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-R adjusted close, 2021 to 2026
- THB 9.67
- All time high, 2022
- THB 1.46
- 52 week high, THB 0.7800 low
- 1,318
- 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-R key facts
- PROEN Corp Public Company Limited (PROEN-R) closed at THB 0.7900 on Sep 28, 2026 on SET.
- PROEN-R's all time high close is THB 9.67, set on Mar 15, 2022; its all time low close is THB 0.7800 on Sep 23, 2026.
- PROEN-R's 52 week range is THB 0.7800 to THB 1.46.
- PROEN-R returned -44.6% over the year to Sep 28, 2026 and -87.6% over five years.
- Since Apr 30, 2021 PROEN-R returned -90%, -35.2% a year compounded.
- PROEN-R's deepest drawdown was -91.9% from Mar 15, 2022 to Sep 23, 2026.
- DataCedar holds 1,318 daily sessions of PROEN-R history from Apr 30, 2021 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
PROEN-R price chart, 2021 to 2026
PROEN-R returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -8.7% |
| 3 months | -17.7% |
| 6 months | -17.7% |
| Year to date | -28.6% |
| 1 year | -44.6% |
| 3 years | -82.4% |
| 5 years | -87.6% |
| 10 years | n/a |
| Since Apr 30, 2021 | -90.4% |
| Compound annual growth, 5.4 years | -35.2% |
PROEN-R records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- THB 9.67 on Mar 15, 2022
- All time low close
- THB 0.7800 on Sep 23, 2026
- 52 week high
- THB 1.46 on Sep 30, 2025
- 52 week low
- THB 0.7800 on Sep 23, 2026
- Deepest drawdown
- -91.9% from Mar 15, 2022 to Sep 23, 2026, not yet recovered
- Best single session
- +51.7% on Nov 19, 2024
- Worst single session
- -40.1% on Dec 24, 2024
- Volatility, 1 year annualised
- 31.6%
- Sessions closing higher, 1 year
- 9%
- Best calendar year
- 2023, -19%
- Worst calendar year
- 2025, -51%
PROEN-R 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 30, 2021; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | THB 1.11 | THB 1.32 | THB 0.7800 | THB 0.7900 | -28.6% | 9.7M | 186 |
| 2025 | THB 2.28 | THB 2.28 | THB 1.04 | THB 1.11 | -51.4% | 115M | 242 |
| 2024 | THB 4.50 | THB 4.72 | THB 2.04 | THB 2.28 | -49.4% | 71.2M | 243 |
| 2023 | THB 5.57 | THB 6.86 | THB 4.34 | THB 4.50 | -19.2% | 27.7M | 243 |
| 2022 | THB 7.25 | THB 10.03 | THB 4.88 | THB 5.57 | -22.9% | 153.6M | 241 |
| 2021 | THB 8.27 | THB 9.50 | THB 5.75 | THB 7.22 | n/a | 39.5M | 163 |
PROEN-R monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | THB 0.7900 | -8.7% |
| August 2026 | THB 0.8650 | -9.9% |
| July 2026 | THB 0.9600 | 0.0% |
| June 2026 | THB 0.9600 | 0.0% |
| May 2026 | THB 0.9600 | 0.0% |
| April 2026 | THB 0.9600 | 0.0% |
| March 2026 | THB 0.9600 | -15.0% |
| February 2026 | THB 1.13 | -4.5% |
| January 2026 | THB 1.18 | +6.9% |
| December 2025 | THB 1.11 | 0.0% |
| November 2025 | THB 1.11 | 0.0% |
| October 2025 | THB 1.11 | -24.1% |
About the PROEN-R data
Daily bars. 1,318 sessions from Apr 30, 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 30, 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-R/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on SET
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Common questions
PROEN-R share price history
