LSE · CKN · stock

Clarkson PLC (CKN) stock price history

Every LSE trading session of Clarkson PLC from Jul 1, 1988 to Nov 13, 2026: 9,665 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.

CKN adjusted close, 1988 to 2026

CKNClarkson PLC
£46.68+31.2% over one year
1990200020102020
£54.05
All time high, 2026
£54.85
52 week high, £34.94 low
9,665
Daily sessions since 1988

Last updated Nov 13, 2026, the last stored session. Refreshes after each trading day. Full 1988 to 2026 series and minute bars.

CKN key facts

  • Clarkson PLC (CKN) closed at £46.68 on Nov 13, 2026 on LSE.
  • CKN's all time high close is £54.05, set on Oct 9, 2026; its all time low close is £0.4445 on Oct 8, 1992.
  • CKN's 52 week range is £34.94 to £54.85.
  • CKN returned +31.2% over the year to Nov 13, 2026 and +19.6% over five years.
  • Over ten years CKN returned +111%, +7.8% a year compounded.
  • CKN's deepest drawdown was -83.1% from May 28, 1990 to Oct 8, 1992.
  • DataCedar holds 9,665 daily sessions of CKN history from Jul 1, 1988 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.

CKN price chart, 1988 to 2026

CKN adjusted close, Jul 1, 1988 to Nov 13, 2026£0.5334£2.45£11.21£51.4019901995200020052010201520202025
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

CKN returns

Price return from the last close on or before the window start to Nov 13, 2026, on adjusted closes.

PeriodReturn
1 month-11.9%
3 months-6.8%
6 months-1.5%
Year to date+22.1%
1 year+31.2%
3 years+68.7%
5 years+19.6%
10 years+111.0%
Since Jul 1, 1988+2,910%
Compound annual growth, 38.4 years+9.3%

CKN records

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

All time high close
£54.05 on Oct 9, 2026
All time low close
£0.4445 on Oct 8, 1992
52 week high
£54.85 on Aug 3, 2026
52 week low
£34.94 on Nov 14, 2025
Deepest drawdown
-83.1% from May 28, 1990 to Oct 8, 1992, recovered Jun 4, 2001
Best single session
+25.5% on Mar 2, 2000
Worst single session
-28.6% on Oct 8, 1992
Volatility, 1 year annualised
24.7%
Sessions closing higher, 1 year
52%
Growth of 1 since 1988
30.1×
Best calendar year
2003, +148%
Worst calendar year
2008, -66%

CKN 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 Nov 13, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026£38.04£54.85£37.64£46.68+22.4%17.9M216
2025£39.48£45.32£26.29£38.14-3.5%20.3M253
2024£31.97£46.72£31.22£39.53+25.0%14.8M254
2023£33.06£35.41£24.98£31.62-2.1%15.6M251
2022£39.59£40.29£24.37£32.31-16.6%12.8M250
2021£27.20£42.19£24.16£38.75+43.7%12.8M253
2020£29.99£31.29£19.32£26.96-10.7%10.4M253
2019£18.90£30.69£18.58£30.19+59.3%8.3M253
2018£27.73£34.66£18.30£18.96-33.6%11.6M253
2017£21.68£30.24£21.20£28.54+31.7%8.3M247
2016£22.24£24.92£16.24£21.67-3.4%8.5M253
2015£18.86£28.46£18.44£22.44+17.3%6.1M253
2014£19.93£27.40£18.29£19.13-4.1%4.8M251
2013£12.05£24.32£11.61£19.94+66.8%7.4M252
2012£11.69£14.18£11.05£11.95+4.2%13.1M246
2011£11.35£13.49£10.08£11.47+1.9%4.4M243
2010£7.51£11.26£7.40£11.26+52.9%5.2M247
2009£3.58£8.83£3.58£7.36+114.6%9.7M242
2008£10.11£11.08£2.98£3.43-66.2%8.8M251
2007£8.34£11.28£7.65£10.14+24.4%9.5M244
2006£8.63£10.70£7.05£8.15-5.4%9M225
2005£7.17£9.86£6.90£8.62+20.2%11.6M225
2004£4.99£8.32£4.49£7.17+52.3%14.5M215
2003£1.90£4.76£1.88£4.71+147.9%4.6M256
2002£1.95£2.59£1.29£1.90-2.5%11.5M257
2001£1.63£2.87£1.55£1.95+19.2%14M261
2000£0.9256£1.83£0.7919£1.63+76.5%10.3M260
1999£0.7668£0.9701£0.5936£0.9256+20.7%8.9M261
1998£1.05£1.38£0.6233£0.7668-27.2%71.8M261
1997£1.03£1.11£0.8801£1.05+2.4%183.8K261
1996£1.09£1.12£0.9390£1.03-5.4%5M262
1995£0.9288£1.19£0.9288£1.09+17.0%3.8M260
1994£1.04£1.07£0.7409£0.9288-10.5%19.3M260
1993£0.6716£1.12£0.5729£1.04+54.4%18.1M261
1992£1.80£1.80£0.4445£0.6716-62.6%14.6M262
1991£1.46£2.34£1.36£1.80+23.0%16.2M261
1990£2.02£2.64£1.46£1.46-27.8%0261
1989£1.61£2.08£1.61£2.02+25.8%0260
1988£1.55£1.68£1.54£1.61n/a0131

CKN monthly closes, last 12 months

MonthMonth end closeChange
November 2026£46.68-7.8%
October 2026£50.65+0.1%
September 2026£50.60-0.1%
August 2026£50.65+7.1%
July 2026£47.30+13.5%
June 2026£41.66-10.1%
May 2026£46.36-4.1%
April 2026£48.35+4.9%
March 2026£46.09+8.2%
February 2026£42.59+1.7%
January 2026£41.89+9.8%
December 2025£38.14+0.9%

About the CKN data

Daily bars. 9,665 sessions from Jul 1, 1988 to Nov 13, 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 Nov 3, 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/lse%3ACKN/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

CKN share price history

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