TSX · AQN · stock

Algonquin Power & Utilities Corp. (AQN) stock price history

Every TSX trading session of Algonquin Power & Utilities Corp. from Oct 9, 2003 to Sep 29, 2026: 5,768 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.

Get AQN data, free keyYear by year table

AQN adjusted close, 2003 to 2026

AQNAlgonquin Power & Utilities Corp.
CA$7.17-0.6% over one year
20052010201520202025
CA$16.65
All time high, 2021
CA$9.48
52 week high, CA$6.96 low
5,768
Daily sessions since 2003

Last updated Sep 29, 2026, the last stored session. Refreshes after each trading day. Full 2003 to 2026 series and minute bars.

AQN key facts

  • Algonquin Power & Utilities Corp. (AQN) closed at CA$7.17 on Sep 29, 2026 on TSX.
  • AQN's all time high close is CA$16.65, set on Feb 11, 2021; its all time low close is CA$0.7216 on Dec 19, 2008.
  • AQN's 52 week range is CA$6.96 to CA$9.48.
  • AQN returned -0.6% over the year to Sep 29, 2026 and -50.0% over five years.
  • Over ten years AQN returned -1%, -0.1% a year compounded.
  • AQN's deepest drawdown was -78.6% from Sep 28, 2006 to Dec 19, 2008.
  • DataCedar holds 5,768 daily sessions of AQN history from Oct 9, 2003 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.

AQN price chart, 2003 to 2026

AQN adjusted close, Oct 9, 2003 to Sep 29, 2026CA$0.9391CA$2.44CA$6.36CA$16.5420052010201520202025
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

AQN returns

Price return from the last close on or before the window start to Sep 29, 2026, on adjusted closes.

PeriodReturn
1 month-9.2%
3 months-14.6%
6 months-14.5%
Year to date-12.8%
1 year-0.6%
3 years+3.4%
5 years-50.0%
10 years-0.7%
Since Oct 9, 2003+260.0%
Compound annual growth, 23.0 years+5.7%

AQN records

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

All time high close
CA$16.65 on Feb 11, 2021
All time low close
CA$0.7216 on Dec 19, 2008
52 week high
CA$9.48 on Feb 27, 2026
52 week low
CA$6.96 on Sep 29, 2026
Deepest drawdown
-78.6% from Sep 28, 2006 to Dec 19, 2008, recovered Jul 18, 2012
Best single session
+18.2% on Jan 2, 2009
Worst single session
-47.2% on Oct 21, 2008
Volatility, 1 year annualised
25.6%
Sessions closing higher, 1 year
48%
Growth of 1 since 2003
3.6×
Best calendar year
2009, +89%
Worst calendar year
2008, -69%

AQN 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. 2003 starts on Oct 9, 2003; 2026 runs to Sep 29, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026CA$8.27CA$9.48CA$6.96CA$7.17-13.2%465.2M187
2025CA$5.99CA$8.81CA$5.63CA$8.26+38.6%572.9M251
2024CA$7.36CA$8.29CA$5.63CA$5.96-18.7%706.4M252
2023CA$7.37CA$10.30CA$5.82CA$7.33+0.6%848.4M250
2022CA$14.12CA$15.75CA$7.09CA$7.28-48.3%746M250
2021CA$15.58CA$16.74CA$13.09CA$14.10-8.9%569.2M251
2020CA$12.99CA$15.90CA$9.78CA$15.47+19.2%577.5M252
2019CA$9.29CA$13.54CA$9.06CA$12.99+39.7%352.9M251
2018CA$9.03CA$9.81CA$7.93CA$9.30+2.7%282.2M251
2017CA$6.99CA$9.17CA$6.86CA$9.05+29.1%255.9M250
2016CA$6.37CA$7.48CA$6.05CA$7.01+9.5%249.2M251
2015CA$5.39CA$6.65CA$4.19CA$6.40+18.9%143M251
2014CA$3.91CA$5.67CA$3.77CA$5.39+37.1%94.1M251
2013CA$3.51CA$4.30CA$3.15CA$3.93+12.4%128.9M251
2012CA$3.12CA$3.56CA$2.77CA$3.49+11.5%104.8M251
2011CA$2.34CA$3.18CA$2.20CA$3.13+34.1%91M250
2010CA$1.81CA$2.35CA$1.57CA$2.34+29.4%62.5M251
2009CA$0.9846CA$1.83CA$0.8613CA$1.81+88.9%68.7M251
2008CA$3.08CA$3.20CA$0.7216CA$0.9557-69.0%66.9M252
2007CA$3.23CA$3.27CA$2.61CA$3.09-5.7%46.7M252
2006CA$3.13CA$3.37CA$2.75CA$3.27+4.1%40.4M251
2005CA$2.92CA$3.17CA$2.55CA$3.15+7.8%36.2M251
2004CA$2.27CA$2.95CA$2.05CA$2.92+28.5%34M253
2003CA$1.99CA$2.31CA$1.97CA$2.27n/a7.5M57

AQN monthly closes, last 12 months

MonthMonth end closeChange
September 2026CA$7.17-8.7%
August 2026CA$7.85-4.3%
July 2026CA$8.20-1.7%
June 2026CA$8.34+3.3%
May 2026CA$8.07-4.2%
April 2026CA$8.430.0%
March 2026CA$8.43-9.7%
February 2026CA$9.34+6.7%
January 2026CA$8.75+5.9%
December 2025CA$8.26-0.2%
November 2025CA$8.28+9.2%
October 2025CA$7.58+4.7%

About the AQN data

Daily bars. 5,768 sessions from Oct 9, 2003 to Sep 29, 2026, one row per TSX 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 TSX trading days; minute timestamps are UTC. Prices are in CAD. 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 Oct 9, 2003, 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/AQN/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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