SET · IROYAL · stock
Interroyal Engineering Public Company Limited (IROYAL) stock price history
Every SET trading session of Interroyal Engineering Public Company Limited from Nov 5, 2024 to Sep 28, 2026: 466 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.
IROYAL adjusted close, 2024 to 2026
- THB 5.80
- All time high, 2025
- THB 5.80
- 52 week high, THB 3.23 low
- 466
- Daily sessions since 2024
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2024 to 2026 series and minute bars.
IROYAL key facts
- Interroyal Engineering Public Company Limited (IROYAL) closed at THB 3.94 on Sep 28, 2026 on SET.
- IROYAL's all time high close is THB 5.80, set on Nov 14, 2025; its all time low close is THB 2.87 on Feb 25, 2025.
- IROYAL's 52 week range is THB 3.23 to THB 5.80.
- IROYAL returned +8.3% over the year to Sep 28, 2026.
- Since Nov 5, 2024 IROYAL returned -24%, -13.8% a year compounded.
- IROYAL's deepest drawdown was -45.0% from Nov 5, 2024 to Feb 25, 2025.
- DataCedar holds 466 daily sessions of IROYAL history from Nov 5, 2024 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
IROYAL price chart, 2024 to 2026
IROYAL returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -15.8% |
| 3 months | -10.4% |
| 6 months | -21.8% |
| Year to date | -8.4% |
| 1 year | +8.3% |
| 3 years | n/a |
| 5 years | n/a |
| 10 years | n/a |
| Since Nov 5, 2024 | -24.5% |
| Compound annual growth, 1.9 years | -13.8% |
IROYAL records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- THB 5.80 on Nov 14, 2025
- All time low close
- THB 2.87 on Feb 25, 2025
- 52 week high
- THB 5.80 on Nov 14, 2025
- 52 week low
- THB 3.23 on Oct 14, 2025
- Deepest drawdown
- -45.0% from Nov 5, 2024 to Feb 25, 2025, recovered Nov 14, 2025
- Best single session
- +21.5% on Nov 14, 2025
- Worst single session
- -18.5% on Nov 17, 2025
- Volatility, 1 year annualised
- 47.4%
- Sessions closing higher, 1 year
- 41%
- Best calendar year
- 2025, +28%
- Worst calendar year
- 2025, +28%
IROYAL 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. 2024 starts on Nov 5, 2024; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | THB 4.30 | THB 5.40 | THB 3.80 | THB 3.94 | -8.4% | 78.2M | 186 |
| 2025 | THB 3.39 | THB 5.80 | THB 2.68 | THB 4.30 | +28.2% | 116.1M | 242 |
| 2024 | THB 5.75 | THB 5.89 | THB 3.12 | THB 3.35 | n/a | 155M | 38 |
IROYAL monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | THB 3.94 | -15.5% |
| August 2026 | THB 4.66 | +2.0% |
| July 2026 | THB 4.57 | +4.9% |
| June 2026 | THB 4.36 | -2.2% |
| May 2026 | THB 4.45 | -2.6% |
| April 2026 | THB 4.57 | -6.8% |
| March 2026 | THB 4.91 | -4.3% |
| February 2026 | THB 5.13 | +6.5% |
| January 2026 | THB 4.82 | +12.0% |
| December 2025 | THB 4.30 | +3.4% |
| November 2025 | THB 4.16 | -3.3% |
| October 2025 | THB 4.30 | +19.3% |
About the IROYAL data
Daily bars. 466 sessions from Nov 5, 2024 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 Nov 5, 2024, 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/IROYAL/bars?timeframe=1Day&adjustment=all&limit=50000" \
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Common questions
IROYAL share price history
