LSE · ALT · stock

Altitude Group plc (ALT) stock price history

Every LSE trading session of Altitude Group plc from Nov 7, 2005 to Nov 12, 2026: 4,150 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.

ALT adjusted close, 2005 to 2026

ALTAltitude Group plc
£0.1900-9.5% over one year
2010201520202025
£1.38
All time high, 2017
£0.2900
52 week high, £0.1800 low
4,150
Daily sessions since 2005

Last updated Nov 12, 2026, the last stored session. Refreshes after each trading day. Full 2005 to 2026 series and minute bars.

ALT key facts

  • Altitude Group plc (ALT) closed at £0.1900 on Nov 12, 2026 on LSE.
  • ALT's all time high close is £1.38, set on Jan 23, 2017; its all time low close is £0.0550 on Jul 28, 2009.
  • ALT's 52 week range is £0.1800 to £0.2900.
  • ALT returned -9.5% over the year to Nov 12, 2026 and -30.9% over five years.
  • Over ten years ALT returned -79%, -14.4% a year compounded.
  • ALT's deepest drawdown was -91.7% from Jan 23, 2017 to Nov 2, 2020.
  • DataCedar holds 4,150 daily sessions of ALT history from Nov 7, 2005 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.

ALT price chart, 2005 to 2026

ALT adjusted close, Nov 7, 2005 to Nov 12, 2026£0.0550£0.1513£0.4162£1.1520052010201520202025
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

ALT returns

Price return from the last close on or before the window start to Nov 12, 2026, on adjusted closes.

PeriodReturn
1 month-7.3%
3 months-19.1%
6 months0.0%
Year to date-7.3%
1 year-9.5%
3 years-50.0%
5 years-30.9%
10 years-78.9%
Since Nov 7, 2005-51.9%
Compound annual growth, 21.0 years-3.4%

ALT records

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

All time high close
£1.38 on Jan 23, 2017
All time low close
£0.0550 on Jul 28, 2009
52 week high
£0.2900 on Jul 10, 2026
52 week low
£0.1800 on May 19, 2026
Deepest drawdown
-91.7% from Jan 23, 2017 to Nov 2, 2020, not yet recovered
Best single session
+58.5% on Oct 3, 2016
Worst single session
-47.6% on Jul 28, 2009
Volatility, 1 year annualised
52.2%
Sessions closing higher, 1 year
21%
Best calendar year
2016, +822%
Worst calendar year
2020, -68%

ALT 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. 2005 starts on Nov 7, 2005; 2026 runs to Nov 12, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026£0.2050£0.2900£0.1800£0.1900-7.3%11M136
2025£0.2750£0.2900£0.1800£0.2050-25.5%11.4M176
2024£0.3050£0.4700£0.2660£0.2750-12.1%12M168
2023£0.3200£0.5300£0.3100£0.3130-2.2%20M183
2022£0.2600£0.3695£0.2000£0.3200+23.1%13.6M149
2021£0.1475£0.5800£0.1465£0.2600+67.7%24.5M179
2020£0.4800£0.5670£0.1111£0.1550-67.7%32.8M152
2019£0.7485£1.19£0.4321£0.4800-33.8%42.7M206
2018£0.7285£1.07£0.5800£0.7250-0.7%29.6M220
2017£0.9695£1.45£0.4738£0.7300-22.8%46.1M233
2016£0.1025£1.14£0.0800£0.9450+822.0%33.9M214
2015£0.1600£0.1725£0.0938£0.1025-35.9%1.4M185
2014£0.1175£0.1664£0.0950£0.1600+34.7%2.8M186
2013£0.1713£0.1950£0.1110£0.1188-30.7%4.9M157
2012£0.3000£0.3000£0.1625£0.1713-42.9%2.3M166
2011£0.2300£0.3600£0.2275£0.3000+37.9%7.1M179
2010£0.0625£0.2200£0.0500£0.2175+200.0%2.2M243
2009£0.1150£0.1300£0.0480£0.0725-37.0%1.9M249
2008£0.2850£0.2900£0.0500£0.1150-59.6%3.8M243
2007£0.4100£0.4550£0.2850£0.2850-26.0%1M244
2006£0.4750£0.5300£0.3000£0.3850-18.9%27.3M242
2005£0.3850£0.4900£0.3600£0.4750n/a12.8M40

ALT monthly closes, last 12 months

MonthMonth end closeChange
November 2026£0.1900-5.0%
October 2026£0.2000-2.4%
September 2026£0.2050-10.9%
August 2026£0.2300-11.5%
July 2026£0.2600+6.1%
June 2026£0.2450+32.4%
May 2026£0.1850-15.9%
April 2026£0.2200+4.8%
March 2026£0.2100-6.7%
February 2026£0.2250+2.3%
January 2026£0.2200+7.3%
December 2025£0.2050+2.5%

About the ALT data

Daily bars. 4,150 sessions from Nov 7, 2005 to Nov 12, 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 2, 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 Nov 7, 2005, 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%3AALT/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

ALT share price history

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