SET · UPF-R · stock
Union Pioneer Public Company Limited (UPF-R) stock price history
Every SET trading session of Union Pioneer Public Company Limited from Dec 18, 2007 to Sep 28, 2026: 1,683 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.
UPF-R adjusted close, 2007 to 2026
- THB 39.45
- All time high, 2012
- THB 26.50
- 52 week high, THB 21.40 low
- 1,683
- Daily sessions since 2007
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2007 to 2026 series and minute bars.
UPF-R key facts
- Union Pioneer Public Company Limited (UPF-R) closed at THB 23.99 on Sep 28, 2026 on SET.
- UPF-R's all time high close is THB 39.45, set on Apr 2, 2012; its all time low close is THB 6.37 on Jan 28, 2009.
- UPF-R's 52 week range is THB 21.40 to THB 26.50.
- UPF-R returned -9.5% over the year to Sep 28, 2026 and -39.2% over five years.
- Over ten years UPF-R returned -39%, -4.9% a year compounded.
- UPF-R's deepest drawdown was -56.2% from Sep 8, 2008 to Jan 28, 2009.
- DataCedar holds 1,683 daily sessions of UPF-R history from Dec 18, 2007 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
UPF-R price chart, 2007 to 2026
UPF-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 | +9.1% |
| 3 months | +9.1% |
| 6 months | +9.1% |
| Year to date | -9.5% |
| 1 year | -9.5% |
| 3 years | -39.2% |
| 5 years | -39.2% |
| 10 years | -39.2% |
| Since Dec 18, 2007 | +124.4% |
| Compound annual growth, 18.8 years | +4.4% |
UPF-R records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- THB 39.45 on Apr 2, 2012
- All time low close
- THB 6.37 on Jan 28, 2009
- 52 week high
- THB 26.50 on Sep 29, 2025
- 52 week low
- THB 21.40 on Mar 11, 2026
- Deepest drawdown
- -56.2% from Sep 8, 2008 to Jan 28, 2009, recovered May 26, 2009
- Best single session
- +57.7% on Mar 29, 2010
- Worst single session
- -29.7% on Dec 17, 2008
- Volatility, 1 year annualised
- 19.2%
- Sessions closing higher, 1 year
- 1%
- Growth of 1 since 2007
- 2.2×
- Best calendar year
- 2009, +143%
- Worst calendar year
- 2008, -25%
UPF-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. 2007 starts on Dec 18, 2007; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | THB 26.50 | THB 26.50 | THB 21.40 | THB 23.99 | -9.5% | 94 | 186 |
| 2025 | THB 31.87 | THB 31.87 | THB 26.00 | THB 26.50 | -16.9% | 52 | 242 |
| 2024 | THB 33.68 | THB 33.68 | THB 31.75 | THB 31.87 | -19.2% | 7 | 10 |
| 2013 | THB 39.45 | THB 39.45 | THB 39.45 | THB 39.45 | 0.0% | 0 | 11 |
| 2012 | THB 35.60 | THB 39.45 | THB 35.60 | THB 39.45 | +10.8% | 0 | 245 |
| 2011 | THB 30.65 | THB 35.60 | THB 30.65 | THB 35.60 | +16.1% | 0 | 244 |
| 2010 | THB 19.44 | THB 30.65 | THB 19.44 | THB 30.65 | +57.7% | 0 | 244 |
| 2009 | THB 7.98 | THB 19.44 | THB 6.37 | THB 19.44 | +143.4% | 46.5K | 245 |
| 2008 | THB 10.69 | THB 14.55 | THB 6.37 | THB 7.98 | -25.3% | 72.6K | 247 |
| 2007 | THB 10.40 | THB 10.69 | THB 10.40 | THB 10.69 | n/a | 400 | 9 |
UPF-R monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | THB 23.99 | +9.1% |
| August 2026 | THB 22.00 | 0.0% |
| July 2026 | THB 22.00 | 0.0% |
| June 2026 | THB 22.00 | 0.0% |
| May 2026 | THB 22.00 | 0.0% |
| April 2026 | THB 22.00 | 0.0% |
| March 2026 | THB 22.00 | -12.0% |
| February 2026 | THB 25.00 | -5.7% |
| January 2026 | THB 26.50 | 0.0% |
| December 2025 | THB 26.50 | 0.0% |
| November 2025 | THB 26.50 | 0.0% |
| October 2025 | THB 26.50 | 0.0% |
About the UPF-R data
Daily bars. 1,683 sessions from Dec 18, 2007 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 25, 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 Dec 18, 2007, 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/UPF-R/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on SET
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Common questions
UPF-R share price history
