SET · CMR-R · stock

Chiang Mai Ram Medical Business Public Company Limited (CMR-R) stock price history

Every SET trading session of Chiang Mai Ram Medical Business Public Company Limited from Dec 28, 2007 to Sep 28, 2026: 3,543 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.

CMR-R adjusted close, 2007 to 2026

CMR-RChiang Mai Ram Medical Business Public
THB 1.25-2.7% over one year
2010201520202025
THB 22.66
All time high, 2008
THB 1.60
52 week high, THB 1.20 low
3,543
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.

CMR-R key facts

  • Chiang Mai Ram Medical Business Public Company Limited (CMR-R) closed at THB 1.25 on Sep 28, 2026 on SET.
  • CMR-R's all time high close is THB 22.66, set on Jan 2, 2008; its all time low close is THB 1.03 on Mar 27, 2020.
  • CMR-R's 52 week range is THB 1.20 to THB 1.60.
  • CMR-R returned -2.7% over the year to Sep 28, 2026 and -51.8% over five years.
  • Over ten years CMR-R returned -93%, -23.7% a year compounded.
  • CMR-R's deepest drawdown was -95.5% from Mar 3, 2008 to Mar 27, 2020.
  • DataCedar holds 3,543 daily sessions of CMR-R history from Dec 28, 2007 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.

CMR-R price chart, 2007 to 2026

CMR-R adjusted close, Dec 28, 2007 to Sep 28, 2026THB 1.06THB 2.94THB 8.16THB 22.662010201520202025
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

CMR-R returns

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

PeriodReturn
1 month-4.2%
3 months-4.2%
6 months-4.2%
Year to date-16.1%
1 year-2.7%
3 years-37.1%
5 years-51.8%
10 years-93.3%
Since Dec 28, 2007-94.4%
Compound annual growth, 18.8 years-14.3%

CMR-R records

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

All time high close
THB 22.66 on Jan 2, 2008
All time low close
THB 1.03 on Mar 27, 2020
52 week high
THB 1.60 on Oct 14, 2025
52 week low
THB 1.20 on Mar 5, 2026
Deepest drawdown
-95.5% from Mar 3, 2008 to Mar 27, 2020, not yet recovered
Best single session
+34.2% on May 26, 2020
Worst single session
-83.2% on Apr 7, 2017
Volatility, 1 year annualised
22.0%
Sessions closing higher, 1 year
6%
Best calendar year
2021, +78%
Worst calendar year
2017, -85%

CMR-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 28, 2007; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026THB 1.49THB 1.49THB 1.20THB 1.25-16.1%548.8K186
2025THB 1.41THB 1.60THB 1.16THB 1.49+5.6%382.5K242
2024THB 1.99THB 2.03THB 1.39THB 1.41-29.0%31.2K243
2023THB 2.15THB 2.34THB 1.92THB 1.99-7.8%1.5M243
2022THB 2.38THB 2.69THB 1.90THB 2.15-9.5%31.6M241
2021THB 1.34THB 3.07THB 1.34THB 2.38+77.5%41.4M241
2020THB 1.46THB 1.53THB 1.03THB 1.34-8.4%75.6K243
2019THB 2.41THB 2.45THB 1.46THB 1.46-39.4%156.8K244
2018THB 2.47THB 2.64THB 2.33THB 2.41-11.5%132.5K245
2017THB 3.13THB 3.59THB 2.73THB 2.73-85.4%804.7K178
2013THB 18.65THB 18.65THB 18.65THB 18.650.0%011
2012THB 18.64THB 18.65THB 18.64THB 18.65+0.1%0245
2011THB 18.62THB 18.64THB 18.62THB 18.64+0.1%0244
2010THB 18.61THB 18.62THB 18.61THB 18.62+0.1%0244
2009THB 19.66THB 19.66THB 14.60THB 18.61-5.4%593.5K245
2008THB 22.66THB 22.66THB 14.24THB 19.66-12.6%1.1M247
2007THB 22.49THB 22.49THB 22.49THB 22.49n/a10K1

CMR-R monthly closes, last 12 months

MonthMonth end closeChange
September 2026THB 1.25-4.2%
August 2026THB 1.300.0%
July 2026THB 1.300.0%
June 2026THB 1.300.0%
May 2026THB 1.300.0%
April 2026THB 1.300.0%
March 2026THB 1.30-7.5%
February 2026THB 1.41+2.8%
January 2026THB 1.37-7.9%
December 2025THB 1.49+7.5%
November 2025THB 1.390.0%
October 2025THB 1.39+5.4%

About the CMR-R data

Daily bars. 3,543 sessions from Dec 28, 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 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 Dec 28, 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/CMR-R/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

Nearby on SET

  • CMC-R Chaoprayamahanakorn Public Company Limited
  • CMO CMO Public Company Limited
  • CMO-R CMO Public Company Limited
  • CMR Chiang Mai Ram Medical Business Public Company Limited
  • CNRE80 China Northern Rare Earth (Group) High-Tech Co.,Ltd
  • CNT Christiani & Nielsen (Thai) Public Company Limited
  • CNT-R Christiani & Nielsen (Thai) Public Company Limited
  • COCOCO Thai Coconut Public Company Limited

Common questions

CMR-R share price history

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