SET · AI · stock

Asian Insulators Public Company Limited (AI) stock price history

Every SET trading session of Asian Insulators Public Company Limited from Mar 4, 2005 to Sep 28, 2026: 5,281 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.

AI adjusted close, 2005 to 2026

AIAsian Insulators Public Company Limited
THB 3.36+13.5% over one year
2010201520202025
THB 9.33
All time high, 2021
THB 3.38
52 week high, THB 2.64 low
5,281
Daily sessions since 2005

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2005 to 2026 series and minute bars.

AI key facts

  • Asian Insulators Public Company Limited (AI) closed at THB 3.36 on Sep 28, 2026 on SET.
  • AI's all time high close is THB 9.33, set on Apr 8, 2021; its all time low close is THB 0.4930 on Nov 18, 2008.
  • AI's 52 week range is THB 2.64 to THB 3.38.
  • AI returned +13.5% over the year to Sep 28, 2026 and -41.0% over five years.
  • Over ten years AI returned +35%, +3.0% a year compounded.
  • AI's deepest drawdown was -74.6% from Mar 7, 2005 to Nov 18, 2008.
  • DataCedar holds 5,281 daily sessions of AI history from Mar 4, 2005 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.

AI price chart, 2005 to 2026

AI adjusted close, Mar 4, 2005 to Sep 28, 2026THB 0.5028THB 1.30THB 3.35THB 8.6520052010201520202025
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

AI returns

Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.

PeriodReturn
1 month+7.0%
3 months+24.8%
6 months+23.1%
Year to date+22.2%
1 year+13.5%
3 years-10.3%
5 years-41.0%
10 years+34.6%
Since Mar 4, 2005+74.2%
Compound annual growth, 21.6 years+2.6%

AI records

Measured on the stored closes; every figure is reproducible from the API series.

All time high close
THB 9.33 on Apr 8, 2021
All time low close
THB 0.4930 on Nov 18, 2008
52 week high
THB 3.38 on Sep 25, 2026
52 week low
THB 2.64 on May 20, 2026
Deepest drawdown
-74.6% from Mar 7, 2005 to Nov 18, 2008, recovered Feb 6, 2013
Best single session
+29.6% on Apr 2, 2021
Worst single session
-25.3% on Dec 19, 2006
Volatility, 1 year annualised
15.1%
Sessions closing higher, 1 year
28%
Best calendar year
2012, +149%
Worst calendar year
2008, -33%

AI 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. 2005 starts on Mar 4, 2005; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026THB 2.75THB 3.38THB 2.64THB 3.36+22.2%45M186
2025THB 3.06THB 3.69THB 2.68THB 2.75-10.1%55.1M242
2024THB 3.41THB 3.59THB 2.58THB 3.06-9.2%27M243
2023THB 4.47THB 5.22THB 3.24THB 3.37-24.7%64.6M243
2022THB 4.68THB 5.63THB 4.08THB 4.47-4.4%202.9M241
2021THB 4.86THB 9.75THB 4.47THB 4.68-3.8%1.5B241
2020THB 2.31THB 5.64THB 1.56THB 4.86+110.3%1B243
2019THB 2.84THB 3.70THB 2.20THB 2.31-18.6%628M244
2018THB 2.74THB 2.84THB 2.74THB 2.84+3.4%0245
2017THB 2.50THB 2.74THB 2.50THB 2.74+9.9%0242
2016THB 2.35THB 2.50THB 2.35THB 2.50+6.3%0244
2015THB 2.41THB 3.40THB 2.27THB 2.35-3.7%160.9M244
2014THB 3.42THB 4.09THB 2.23THB 2.44-28.8%826.6M245
2013THB 1.56THB 4.68THB 1.49THB 3.42+119.9%2.2B245
2012THB 0.6241THB 1.81THB 0.6068THB 1.56+149.5%849.4M245
2011THB 0.7794THB 0.8882THB 0.5461THB 0.6241-19.5%329.6M244
2010THB 0.6969THB 0.9499THB 0.6368THB 0.7753+11.3%856M244
2009THB 0.6413THB 0.9194THB 0.5524THB 0.6969+8.7%423.2M245
2008THB 0.9525THB 1.22THB 0.4866THB 0.6413-32.7%45.4M247
2007THB 1.21THB 1.28THB 0.8925THB 0.9525-23.2%126.7M246
2006THB 1.60THB 1.82THB 0.8093THB 1.24-22.7%227.1M259
2005THB 1.93THB 1.97THB 1.13THB 1.60n/a365.2M203

AI monthly closes, last 12 months

MonthMonth end closeChange
September 2026THB 3.36+5.7%
August 2026THB 3.18+16.5%
July 2026THB 2.73+0.7%
June 2026THB 2.71-0.7%
May 2026THB 2.73-0.7%
April 2026THB 2.75-1.4%
March 2026THB 2.79-0.6%
February 2026THB 2.80+2.7%
January 2026THB 2.73-0.7%
December 2025THB 2.75-0.7%
November 2025THB 2.77-4.8%
October 2025THB 2.91-1.8%

About the AI data

Daily bars. 5,281 sessions from Mar 4, 2005 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 Mar 4, 2005, 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/AI/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

Nearby on SET

  • AH AAPICO Hitech Public Company Limited
  • AH-R AAPICO Hitech Public Company Limited
  • AHC Aikchol Hospital Public Company Limited
  • AHC-R Aikchol Hospital Public Company Limited
  • AI-R Asian Insulators Public Company Limited
  • AIE AI Energy Public Company Limited
  • AIE-R AI Energy Public Company Limited
  • AIMCG AIM Commercial Growth Freehold And Leasehold Real Estate Investment Trust

Common questions

AI share price history

Start with any symbol.