SET · STECH · stock
Siam Technic Concrete Public Company Limited (STECH) stock price history
Every SET trading session of Siam Technic Concrete Public Company Limited from Jul 23, 2021 to Sep 28, 2026: 1,262 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.
STECH adjusted close, 2021 to 2026
- THB 2.96
- All time high, 2021
- THB 1.76
- 52 week high, THB 0.9045 low
- 1,262
- 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.
STECH key facts
- Siam Technic Concrete Public Company Limited (STECH) closed at THB 1.59 on Sep 28, 2026 on SET.
- STECH's all time high close is THB 2.96, set on Jul 23, 2021; its all time low close is THB 0.8757 on Apr 10, 2025.
- STECH's 52 week range is THB 0.9045 to THB 1.76.
- STECH returned +53.0% over the year to Sep 28, 2026 and -28.4% over five years.
- Since Jul 23, 2021 STECH returned -46%, -11.3% a year compounded.
- STECH's deepest drawdown was -70.4% from Jul 23, 2021 to Apr 10, 2025.
- DataCedar holds 1,262 daily sessions of STECH history from Jul 23, 2021 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
STECH price chart, 2021 to 2026
STECH returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -1.2% |
| 3 months | +48.6% |
| 6 months | +55.9% |
| Year to date | +68.6% |
| 1 year | +53.0% |
| 3 years | -1.8% |
| 5 years | -28.4% |
| 10 years | n/a |
| Since Jul 23, 2021 | -46.3% |
| Compound annual growth, 5.2 years | -11.3% |
STECH records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- THB 2.96 on Jul 23, 2021
- All time low close
- THB 0.8757 on Apr 10, 2025
- 52 week high
- THB 1.76 on Aug 20, 2026
- 52 week low
- THB 0.9045 on Dec 26, 2025
- Deepest drawdown
- -70.4% from Jul 23, 2021 to Apr 10, 2025, not yet recovered
- Best single session
- +13.0% on May 16, 2025
- Worst single session
- -10.1% on Feb 24, 2022
- Volatility, 1 year annualised
- 27.5%
- Sessions closing higher, 1 year
- 33%
- Best calendar year
- 2025, -8%
- Worst calendar year
- 2024, -29%
STECH 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 Jul 23, 2021; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | THB 0.9430 | THB 1.76 | THB 0.9238 | THB 1.59 | +68.6% | 49M | 186 |
| 2025 | THB 1.02 | THB 1.15 | THB 0.8660 | THB 0.9430 | -7.9% | 35.9M | 242 |
| 2024 | THB 1.49 | THB 1.68 | THB 0.9122 | THB 1.02 | -28.6% | 57.4M | 243 |
| 2023 | THB 1.89 | THB 2.16 | THB 1.21 | THB 1.43 | -23.5% | 100M | 243 |
| 2022 | THB 2.35 | THB 2.89 | THB 1.77 | THB 1.87 | -18.8% | 940.8M | 241 |
| 2021 | THB 3.19 | THB 3.36 | THB 2.13 | THB 2.31 | n/a | 1.5B | 107 |
STECH monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | THB 1.59 | -3.0% |
| August 2026 | THB 1.64 | +42.6% |
| July 2026 | THB 1.15 | +1.8% |
| June 2026 | THB 1.13 | +9.7% |
| May 2026 | THB 1.03 | +1.0% |
| April 2026 | THB 1.02 | +1.0% |
| March 2026 | THB 1.01 | -0.0% |
| February 2026 | THB 1.01 | +6.1% |
| January 2026 | THB 0.9526 | +1.0% |
| December 2025 | THB 0.9430 | +1.0% |
| November 2025 | THB 0.9334 | -4.0% |
| October 2025 | THB 0.9719 | -4.7% |
About the STECH data
Daily bars. 1,262 sessions from Jul 23, 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 28, 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 Jul 23, 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/STECH/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on SET
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- STARM-R Star Money Public Company Limited
- STC STC Concrete Product Public Company Limited
- STC-R STC Concrete Product Public Company Limited
- STECH-R Siam Technic Concrete Public Company Limited
- STECON Stecon Group Public Company Limited
- STECON-R Stecon Group Public Company Limited
- STELLA Stella X Public Company Limited
Common questions
STECH share price history
