LSE · IBT · stock

International Biotechnology Ord (IBT) stock price history

Every LSE trading session of International Biotechnology Ord from Mar 31, 1994 to Sep 28, 2026: 8,307 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.

IBT adjusted close, 1994 to 2026

IBTInternational Biotechnology Ord
£11.10+50.5% over one year
200020052010201520202025
£12.05
All time high, 2026
£12.35
52 week high, £7.59 low
8,307
Daily sessions since 1994

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 1994 to 2026 series and minute bars.

IBT key facts

  • International Biotechnology Ord (IBT) closed at £11.10 on Sep 28, 2026 on LSE.
  • IBT's all time high close is £12.05, set on Jul 8, 2026; its all time low close is £0.3013 on Sep 1, 1998.
  • IBT's 52 week range is £7.59 to £12.35.
  • IBT returned +50.5% over the year to Sep 28, 2026 and +55.3% over five years.
  • Over ten years IBT returned +102%, +7.3% a year compounded.
  • IBT's deepest drawdown was -85.4% from Nov 8, 2000 to Sep 24, 2002.
  • DataCedar holds 8,307 daily sessions of IBT history from Mar 31, 1994 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.

IBT price chart, 1994 to 2026

IBT adjusted close, Mar 31, 1994 to Sep 28, 2026£0.3337£1.07£3.45£11.101995200020052010201520202025
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

IBT returns

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

PeriodReturn
1 month-2.2%
3 months+4.7%
6 months+30.6%
Year to date+15.6%
1 year+50.5%
3 years+76.7%
5 years+55.3%
10 years+101.5%
Since Mar 31, 1994+1,015%
Compound annual growth, 32.5 years+7.7%

IBT records

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

All time high close
£12.05 on Jul 8, 2026
All time low close
£0.3013 on Sep 1, 1998
52 week high
£12.35 on Jul 9, 2026
52 week low
£7.59 on Oct 1, 2025
Deepest drawdown
-85.4% from Nov 8, 2000 to Sep 24, 2002, recovered Oct 24, 2014
Best single session
+27.0% on Apr 6, 2000
Worst single session
-16.2% on Aug 28, 1998
Volatility, 1 year annualised
25.8%
Sessions closing higher, 1 year
52%
Growth of 1 since 1994
11.1×
Best calendar year
2000, +199%
Worst calendar year
2002, -63%

IBT 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. 1994 starts on Mar 31, 1994; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026£9.80£12.35£8.42£11.10+15.2%13.2M187
2025£6.82£10.00£4.80£9.64+41.4%26.3M253
2024£6.47£7.33£5.95£6.82+6.3%17.4M254
2023£7.16£7.43£5.47£6.41-9.0%12.5M251
2022£7.64£7.65£5.62£7.05-5.5%13.9M250
2021£8.22£8.60£6.68£7.46-8.5%20.2M253
2020£6.28£8.58£4.50£8.15+31.4%22.2M254
2019£5.58£6.68£5.56£6.20+9.2%14.1M253
2018£6.18£6.98£5.16£5.68-8.7%15.5M253
2017£5.48£6.48£5.38£6.23+13.7%10.7M252
2016£5.28£5.83£3.68£5.48+1.6%13.3M253
2015£4.39£6.18£4.10£5.39+22.2%21.8M253
2014£3.00£4.45£2.28£4.41+48.2%37M253
2013£1.98£3.03£1.98£2.98+49.5%12.9M253
2012£1.59£2.17£1.55£1.99+25.8%5.2M251
2011£1.46£1.60£1.32£1.58+8.7%3.2M252
2010£1.25£1.46£1.25£1.46+16.1%7.7M253
2009£1.22£1.32£1.06£1.25+3.1%7.5M253
2008£1.34£1.43£1.08£1.22-9.4%13.4M254
2007£1.52£1.64£1.28£1.34-11.8%11.3M253
2006£1.10£1.56£1.10£1.52+38.1%11M252
2005£1.07£1.13£0.9412£1.10+2.8%7M260
2004£0.7968£1.18£0.7868£1.07+34.7%10.2M262
2003£0.5926£0.9447£0.5279£0.7968+34.5%15.3M261
2002£1.58£1.64£0.5010£0.5926-62.6%22.4M261
2001£2.95£2.97£1.18£1.58-46.4%18.6M261
2000£0.9860£3.75£0.9661£2.95+199.5%78.9M260
1999£0.3386£0.9960£0.3187£0.9860+191.2%91.5M261
1998£0.8964£0.9611£0.2938£0.3386-62.2%17.6M261
1997£0.9711£1.38£0.8366£0.8964-7.7%0261
1996£1.01£1.55£0.9711£0.9711-3.5%0262
1995£0.8664£1.09£0.7718£1.01+16.1%0260
1994£0.9959£0.9959£0.8664£0.8664n/a0197

IBT monthly closes, last 12 months

MonthMonth end closeChange
September 2026£11.10-2.2%
August 2026£11.35+11.3%
July 2026£10.20-6.8%
June 2026£10.95+10.8%
May 2026£9.88+3.1%
April 2026£9.58+8.4%
March 2026£8.84-4.1%
February 2026£9.22+0.4%
January 2026£9.18-4.8%
December 2025£9.64+1.3%
November 2025£9.52+10.7%
October 2025£8.60+12.3%

About the IBT data

Daily bars. 8,307 sessions from Mar 31, 1994 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 Mar 31, 1994, 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/IBT/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

IBT share price history

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