LSE · IMI · stock

IMI plc (IMI) stock price history

Every LSE trading session of IMI plc from Jul 1, 1988 to Sep 28, 2026: 9,806 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.

IMI adjusted close, 1988 to 2026

IMIIMI plc
£31.26+38.3% over one year
1990200020102020
£31.48
All time high, 2026
£31.70
52 week high, £22.44 low
9,806
Daily sessions since 1988

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 1988 to 2026 series and minute bars.

IMI key facts

  • IMI plc (IMI) closed at £31.26 on Sep 28, 2026 on LSE.
  • IMI's all time high close is £31.48, set on Aug 12, 2026; its all time low close is £1.89 on Dec 9, 1988.
  • IMI's 52 week range is £22.44 to £31.70.
  • IMI returned +38.3% over the year to Sep 28, 2026 and +88.0% over five years.
  • Over ten years IMI returned +200%, +11.6% a year compounded.
  • IMI's deepest drawdown was -65.4% from Jul 16, 2007 to Nov 18, 2008.
  • DataCedar holds 9,806 daily sessions of IMI history from Jul 1, 1988 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.

IMI price chart, 1988 to 2026

IMI adjusted close, Jul 1, 1988 to Sep 28, 2026£1.98£4.96£12.45£31.2619901995200020052010201520202025
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

IMI returns

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

PeriodReturn
1 month+0.4%
3 months+6.9%
6 months+20.6%
Year to date+25.2%
1 year+38.3%
3 years+98.9%
5 years+88.0%
10 years+199.6%
Since Jul 1, 1988+1,252%
Compound annual growth, 38.2 years+7.0%

IMI records

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

All time high close
£31.48 on Aug 12, 2026
All time low close
£1.89 on Dec 9, 1988
52 week high
£31.70 on Sep 28, 2026
52 week low
£22.44 on Oct 17, 2025
Deepest drawdown
-65.4% from Jul 16, 2007 to Nov 18, 2008, recovered Mar 10, 2010
Best single session
+15.2% on Nov 9, 2009
Worst single session
-13.0% on Feb 8, 2000
Volatility, 1 year annualised
23.3%
Sessions closing higher, 1 year
54%
Growth of 1 since 1988
13.5×
Best calendar year
2009, +91%
Worst calendar year
1998, -41%

IMI 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. 1988 starts on Jul 1, 1988; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026£25.02£31.70£24.70£31.26+25.7%199.6M187
2025£18.33£25.72£15.56£24.88+36.7%177.8M253
2024£16.99£19.10£15.30£18.20+8.2%185.5M254
2023£12.72£17.41£12.72£16.83+30.8%145.5M251
2022£17.61£18.01£10.68£12.87-25.8%151.2M250
2021£11.75£18.76£11.49£17.35+49.0%154.3M253
2020£11.74£12.33£6.19£11.64-1.2%182.2M254
2019£9.43£12.13£8.95£11.77+24.9%177.4M253
2018£13.19£14.50£8.66£9.42-29.2%348.5M253
2017£10.45£13.47£10.22£13.30+28.2%176M252
2016£8.50£11.35£7.15£10.38+20.8%195.6M253
2015£12.57£14.50£8.29£8.59-31.8%194.2M253
2014£17.42£17.95£11.05£12.59-27.5%197M253
2013£12.71£17.85£12.48£17.37+39.1%133M253
2012£8.83£12.72£8.69£12.49+44.4%284.6M251
2011£10.78£13.00£7.11£8.65-19.6%297M252
2010£5.84£10.91£5.84£10.75+82.3%289.7M253
2009£3.05£6.28£2.43£5.90+90.9%374.4M253
2008£4.42£6.13£2.43£3.09-31.0%514M254
2007£5.85£7.25£4.23£4.47-22.3%501.3M253
2006£5.74£6.64£5.13£5.76+0.8%363.5M252
2005£4.47£5.78£3.97£5.71+27.8%362.3M260
2004£3.83£4.48£3.73£4.47+16.8%335.8M262
2003£2.98£4.20£2.42£3.83+28.5%315M261
2002£3.05£3.72£2.50£2.98-2.4%362M261
2001£2.68£3.34£2.15£3.05+13.6%299.2M261
2000£3.03£3.40£2.11£2.68-11.5%310.5M260
1999£2.69£3.94£2.18£3.03+12.9%360.4M261
1998£4.59£6.04£2.55£2.69-41.4%233.4M261
1997£4.25£5.15£3.14£4.59+8.2%218M261
1996£3.71£4.68£3.50£4.24+14.2%197.4M262
1995£3.55£3.96£3.21£3.71+4.6%88.1M260
1994£3.67£4.25£3.21£3.55-3.3%0260
1993£2.97£3.69£2.83£3.67+23.4%0261
1992£2.51£3.43£2.39£2.97+18.3%0262
1991£2.30£3.04£2.06£2.51+9.3%0261
1990£2.49£2.93£1.99£2.30-7.4%0261
1989£2.06£2.84£2.03£2.49+20.4%0260
1988£2.31£2.38£1.89£2.06n/a0131

IMI monthly closes, last 12 months

MonthMonth end closeChange
September 2026£31.26+0.4%
August 2026£31.12+6.0%
July 2026£29.36-0.9%
June 2026£29.64+6.5%
May 2026£27.82-0.4%
April 2026£27.92+10.4%
March 2026£25.30-12.2%
February 2026£28.80+4.3%
January 2026£27.62+11.0%
December 2025£24.88+2.2%
November 2025£24.34+1.9%
October 2025£23.88+4.5%

About the IMI data

Daily bars. 9,806 sessions from Jul 1, 1988 to Sep 28, 2026, one row per LSE 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 LSE trading days; minute timestamps are UTC. Prices are in GBP. 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 1, 1988, 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/IMI/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

IMI share price history

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