NYSE · AQN · stock

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

Every NYSE trading session of Algonquin Power & Utilities Corp. from Dec 29, 2009 to Sep 28, 2026: 4,212 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 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.

AQN adjusted close, 2009 to 2026

AQNAlgonquin Power & Utilities Corp.
$5.01-5.0% over one year
201520202025
$13.39
All time high, 2021
$6.96
52 week high, $4.95 low
4,212
Daily sessions since 2009

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2009 to 2026 series and minute bars.

AQN key facts

  • Algonquin Power & Utilities Corp. (AQN) closed at $5.01 on Sep 28, 2026 on NYSE.
  • AQN's all time high close is $13.39, set on Feb 11, 2021; its all time low close is $1.83 on May 20, 2010.
  • AQN's 52 week range is $4.95 to $6.96.
  • AQN returned -5.0% over the year to Sep 28, 2026 and -56.7% over five years.
  • Over ten years AQN returned -11%, -1.2% a year compounded.
  • AQN's deepest drawdown was -69.7% from Feb 11, 2021 to Dec 19, 2024.
  • DataCedar holds 4,212 daily sessions of AQN history from Dec 29, 2009 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.

AQN price chart, 2009 to 2026

AQN adjusted close, Dec 29, 2009 to Sep 28, 2026$1.83$5.61$9.39$13.172010201520202025
Adjusted daily close. 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 28, 2026, on adjusted closes.

PeriodReturn
1 month-11.5%
3 months-15.9%
6 months-16.8%
Year to date-17.7%
1 year-5.0%
3 years-6.1%
5 years-56.7%
10 years-11.1%
Since Dec 29, 2009+139.3%
Compound annual growth, 16.7 years+5.3%

AQN records

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

All time high close
$13.39 on Feb 11, 2021
All time low close
$1.83 on May 20, 2010
52 week high
$6.96 on Feb 27, 2026
52 week low
$4.95 on Sep 28, 2026
Deepest drawdown
-69.7% from Feb 11, 2021 to Dec 19, 2024, not yet recovered
Best single session
+15.8% on Jun 3, 2025
Worst single session
-19.2% on Nov 11, 2022
Volatility, 1 year annualised
26.2%
Sessions closing higher, 1 year
46%
Growth of 1 since 2009
2.4×
Best calendar year
2019, +47%
Worst calendar year
2022, -52%

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. 2009 starts on Dec 29, 2009; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026$6.02$6.96$4.95$5.01-16.8%830.2M185
2025$4.29$6.34$4.00$6.02+41.6%2.1B250
2024$5.63$6.20$4.00$4.25-25.0%1.4B252
2023$5.52$7.82$4.32$5.67+3.0%1.2B250
2022$11.40$12.77$5.31$5.51-51.7%769.5M251
2021$12.44$13.48$10.44$11.40-8.2%459.6M252
2020$10.23$12.53$6.89$12.43+21.5%203.1M253
2019$6.93$10.45$6.85$10.23+47.0%122.6M252
2018$7.35$7.49$6.31$6.96-5.3%50.2M251
2017$5.34$7.39$5.24$7.35+37.6%27.7M251
2016$4.68$5.91$4.29$5.34+12.8%4.6M252
2015$4.72$5.55$3.45$4.73-0.0%2.9M252
2014$3.74$5.01$3.45$4.73+26.6%1.2M252
2013$3.80$4.44$3.15$3.74+0.9%1.6M252
2012$3.40$3.84$3.03$3.71+9.1%2M250
2011$2.70$3.47$2.57$3.40+24.6%2.1M252
2010$2.14$2.75$1.76$2.73+30.6%2.8M252
2009$2.10$2.13$2.06$2.09n/a21.8K3

AQN monthly closes, last 12 months

MonthMonth end closeChange
September 2026$5.01-11.5%
August 2026$5.66-3.1%
July 2026$5.84-0.3%
June 2026$5.86+0.6%
May 2026$5.83-6.2%
April 2026$6.21+2.3%
March 2026$6.07-11.1%
February 2026$6.83+6.6%
January 2026$6.41+6.5%
December 2025$6.02-0.2%
November 2025$6.03+10.4%
October 2025$5.46+3.9%

About the AQN data

Daily bars. 4,212 sessions from Dec 29, 2009 to Sep 28, 2026, one row per NYSE 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 Jul 13, 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 NYSE trading days; minute timestamps are UTC. Prices are in USD. 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 29, 2009, 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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Common questions

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