SET · OSP-R · stock
Osotspa Public Company Limited (OSP-R) stock price history
Every SET trading session of Osotspa Public Company Limited from Oct 17, 2018 to Sep 28, 2026: 1,933 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.
OSP-R adjusted close, 2018 to 2026
- THB 34.66
- All time high, 2020
- THB 18.00
- 52 week high, THB 13.07 low
- 1,933
- Daily sessions since 2018
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2018 to 2026 series and minute bars.
OSP-R key facts
- Osotspa Public Company Limited (OSP-R) closed at THB 16.32 on Sep 28, 2026 on SET.
- OSP-R's all time high close is THB 34.66, set on Jan 24, 2020; its all time low close is THB 12.48 on Feb 26, 2025.
- OSP-R's 52 week range is THB 13.07 to THB 18.00.
- OSP-R returned -1.7% over the year to Sep 28, 2026 and -39.8% over five years.
- Since Oct 17, 2018 OSP-R returned -19%, -2.6% a year compounded.
- OSP-R's deepest drawdown was -64.0% from Jan 27, 2020 to Feb 26, 2025.
- DataCedar holds 1,933 daily sessions of OSP-R history from Oct 17, 2018 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
OSP-R price chart, 2018 to 2026
OSP-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 | -5.7% |
| 3 months | +17.7% |
| 6 months | +21.1% |
| Year to date | +6.5% |
| 1 year | -1.7% |
| 3 years | -34.3% |
| 5 years | -39.8% |
| 10 years | n/a |
| Since Oct 17, 2018 | -18.9% |
| Compound annual growth, 7.9 years | -2.6% |
OSP-R records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- THB 34.66 on Jan 24, 2020
- All time low close
- THB 12.48 on Feb 26, 2025
- 52 week high
- THB 18.00 on Aug 27, 2026
- 52 week low
- THB 13.07 on Mar 10, 2026
- Deepest drawdown
- -64.0% from Jan 27, 2020 to Feb 26, 2025, not yet recovered
- Best single session
- +22.6% on Aug 25, 2026
- Worst single session
- -25.1% on Nov 19, 2024
- Volatility, 1 year annualised
- 32.8%
- Sessions closing higher, 1 year
- 13%
- Best calendar year
- 2019, +72%
- Worst calendar year
- 2024, -22%
OSP-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. 2018 starts on Oct 17, 2018; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | THB 15.32 | THB 18.00 | THB 13.07 | THB 16.32 | +6.5% | 180.9M | 186 |
| 2025 | THB 19.27 | THB 19.27 | THB 12.23 | THB 15.32 | -20.5% | 306.4M | 242 |
| 2024 | THB 24.84 | THB 25.51 | THB 18.21 | THB 19.27 | -22.4% | 26.7M | 243 |
| 2023 | THB 22.99 | THB 26.69 | THB 21.83 | THB 24.84 | +8.0% | 214.2M | 243 |
| 2022 | THB 26.80 | THB 29.73 | THB 20.14 | THB 22.99 | -13.5% | 880.1M | 241 |
| 2021 | THB 26.91 | THB 29.94 | THB 24.64 | THB 26.58 | -2.1% | 551.1M | 241 |
| 2020 | THB 29.71 | THB 35.15 | THB 22.08 | THB 27.16 | -7.6% | 416.4M | 243 |
| 2019 | THB 17.07 | THB 33.68 | THB 16.58 | THB 29.40 | +71.9% | 469.2M | 244 |
| 2018 | THB 20.12 | THB 21.35 | THB 16.29 | THB 17.10 | n/a | 39.8M | 50 |
OSP-R monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | THB 16.32 | -5.7% |
| August 2026 | THB 17.30 | +24.9% |
| July 2026 | THB 13.86 | 0.0% |
| June 2026 | THB 13.86 | 0.0% |
| May 2026 | THB 13.86 | +2.9% |
| April 2026 | THB 13.47 | 0.0% |
| March 2026 | THB 13.47 | -21.0% |
| February 2026 | THB 17.05 | +3.2% |
| January 2026 | THB 16.52 | +7.8% |
| December 2025 | THB 15.32 | 0.0% |
| November 2025 | THB 15.32 | 0.0% |
| October 2025 | THB 15.32 | -8.1% |
About the OSP-R data
Daily bars. 1,933 sessions from Oct 17, 2018 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 Oct 17, 2018, 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/OSP-R/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on SET
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Common questions
OSP-R share price history
