LSE · PNN · stock

Pennon Group Plc (PNN) stock price history

Every LSE trading session of Pennon Group Plc from Dec 11, 1989 to Sep 28, 2026: 9,430 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.

PNN adjusted close, 1989 to 2026

PNNPennon Group Plc
£4.45-2.1% over one year
200020102020
£17.96
All time high, 2020
£6.05
52 week high, £4.39 low
9,430
Daily sessions since 1989

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 1989 to 2026 series and minute bars.

PNN key facts

  • Pennon Group Plc (PNN) closed at £4.45 on Sep 28, 2026 on LSE.
  • PNN's all time high close is £17.96, set on Feb 19, 2020; its all time low close is £0.2875 on Dec 11, 1989.
  • PNN's 52 week range is £4.39 to £6.05.
  • PNN returned -2.1% over the year to Sep 28, 2026 and -61.1% over five years.
  • Over ten years PNN returned -67%, -10.4% a year compounded.
  • PNN's deepest drawdown was -78.4% from Feb 19, 2020 to Mar 6, 2025.
  • DataCedar holds 9,430 daily sessions of PNN history from Dec 11, 1989 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.

PNN price chart, 1989 to 2026

PNN adjusted close, Dec 11, 1989 to Sep 28, 2026£0.2875£1.11£4.31£16.6919901995200020052010201520202025
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

PNN returns

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

PeriodReturn
1 month-7.1%
3 months-4.5%
6 months-14.0%
Year to date-16.4%
1 year-2.1%
3 years-19.1%
5 years-61.1%
10 years-66.7%
Since Dec 11, 1989+1,448%
Compound annual growth, 36.8 years+7.7%

PNN records

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

All time high close
£17.96 on Feb 19, 2020
All time low close
£0.2875 on Dec 11, 1989
52 week high
£6.05 on Feb 27, 2026
52 week low
£4.39 on Sep 15, 2026
Deepest drawdown
-78.4% from Feb 19, 2020 to Mar 6, 2025, not yet recovered
Best single session
+384.7% on Apr 27, 1990
Worst single session
-65.6% on Jan 2, 1990
Volatility, 1 year annualised
26.7%
Sessions closing higher, 1 year
50%
Growth of 1 since 1989
15.5×
Best calendar year
1990, +425%
Worst calendar year
1999, -54%

PNN 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. 1989 starts on Dec 11, 1989; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026£5.30£6.05£4.39£4.45-15.6%298.1M187
2025£5.97£6.05£3.83£5.27-11.1%347M253
2024£7.52£7.74£5.17£5.93-21.0%256M254
2023£8.91£9.73£5.32£7.50-15.4%241.3M251
2022£11.93£11.95£7.33£8.87-23.8%275.3M250
2021£14.53£17.44£6.70£11.64-18.0%240.7M253
2020£15.34£23.74£13.63£14.19-7.3%221M254
2019£10.20£15.66£10.18£15.31+48.0%213.8M253
2018£11.64£12.16£8.62£10.34-11.5%313.5M253
2017£12.41£14.13£11.23£11.68-5.3%227.9M252
2016£12.73£14.29£11.35£12.33-3.9%171.9M253
2015£13.77£13.78£10.61£12.84-6.3%153M253
2014£9.85£13.79£9.59£13.71+39.7%126.2M253
2013£9.44£10.86£9.25£9.81+5.4%149.3M253
2012£10.80£11.87£8.77£9.31-12.4%193.6M251
2011£9.51£11.16£8.70£10.63+11.6%169.4M252
2010£8.04£9.66£7.14£9.53+19.1%151.2M253
2009£7.43£8.43£5.53£8.00+8.0%277.4M253
2008£9.88£10.49£6.23£7.41-26.2%312.2M254
2007£8.77£10.93£7.68£10.03+18.2%450M253
2006£6.91£8.65£5.80£8.49+22.6%359.6M252
2005£5.81£7.08£5.27£6.93+19.1%275.8M260
2004£3.96£5.82£3.63£5.81+46.7%251.2M262
2003£3.75£4.14£3.29£3.96+5.6%222.5M261
2002£3.54£4.49£3.22£3.75+6.1%214.8M261
2001£3.84£4.03£3.26£3.54-7.9%188.9M261
2000£3.08£4.48£2.11£3.84+24.8%185M260
1999£6.76£6.77£2.85£3.08-54.5%146.2M261
1998£5.51£6.84£5.14£6.76+22.7%156.6M261
1997£3.60£5.56£3.55£5.51+53.2%167.6M261
1996£3.10£4.33£2.91£3.60+16.1%202.9M262
1995£3.02£3.22£2.76£3.10+2.6%131.7M260
1994£3.78£3.94£2.91£3.02-20.1%94.1M260
1993£2.90£3.89£2.78£3.78+30.3%173.6M261
1992£1.89£3.07£1.82£2.90+53.8%215M262
1991£1.97£2.32£1.80£1.89-4.5%207.6M261
1990£1.10£2.01£0.3474£1.97+424.9%117.4M261
1989£0.2875£0.3762£0.2875£0.3762n/a015

PNN monthly closes, last 12 months

MonthMonth end closeChange
September 2026£4.45-7.1%
August 2026£4.79+3.5%
July 2026£4.63-0.6%
June 2026£4.66-9.7%
May 2026£5.16-6.1%
April 2026£5.49+3.8%
March 2026£5.29-11.7%
February 2026£6.00+9.8%
January 2026£5.46+3.6%
December 2025£5.27-4.4%
November 2025£5.51+6.4%
October 2025£5.18+10.9%

About the PNN data

Daily bars. 9,430 sessions from Dec 11, 1989 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 Dec 11, 1989, 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/PNN/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

PNN share price history

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