Algonquin Power & Utilities Stock Price History
NYSE: AQNUtilitiesElectric Utilities: CentralUSD
5.11+0.03 (+0.59%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
AQN price history at a glance
The price history for Algonquin Power & Utilities (AQN) on this page begins on December 28, 2009, when the stock closed at $3.86; it most recently closed at $5.11 on October 5, 2026. The highest price in this record is $17.86, reached on February 15, 2021; the latest close is 71.4% below that peak. Across the 16 complete calendar years in the table, AQN finished higher in 9 and lower in 7. Its best year was 2019 (+39.9%) and its worst was 2022 (-54.9%).
Over roughly 17 years the share price changed +32.4%, a 1.7% compound annual price return (excluding dividends). In the last 12 months alone, AQN has lost 11.7%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 2009
- $17.86
- Date of high
- Feb 15, 2021
- Low since 2009
- $3.26
- Date of low
- May 17, 2010
- 52-week high
- $7.11
- 52-week low
- $4.91
- IPO year
- 2016
- Last close
- $5.11
AQN returns
1 week
+0.20%
1 month
-8.59%
3 months
-9.56%
6 months
-20.03%
Year to date
-16.91%
1 year
-11.74%
3 years
-10.98%
5 years
-66.05%
AQN price return, excluding dividends.
AQN annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 5.11 | -16.50% |
| 2025 | 6.12 | +34.80% |
| 2024 | 4.54 | -28.16% |
| 2023 | 6.32 | -3.07% |
| 2022 | 6.52 | -54.88% |
| 2021 | 14.45 | -12.21% |
| 2020 | 16.46 | +16.49% |
| 2019 | 14.13 | +39.90% |
| 2018 | 10.10 | -9.50% |
| 2017 | 11.16 | +31.60% |
| 2016 | 8.48 | +7.61% |
| 2015 | 7.88 | -4.48% |
| 2014 | 8.25 | +20.61% |
| 2013 | 6.84 | -5.26% |
| 2012 | 7.22 | +14.97% |
| 2011 | 6.28 | +24.60% |
| 2010 | 5.04 | +30.57% |
| 2009* | 3.86 | 0.00% |
* Partial year: the record begins after the start of 2009; return measured from the first available close.
2026 return is year to date.
AQN daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 5.07 | 5.11 | 5.05 | 5.11 | +0.59% | |
| 5.08 | 5.10 | 5.02 | 5.08 | +0.40% | |
| 5.05 | 5.11 | 5.03 | 5.06 | 0.00% | |
| 5.09 | 5.13 | 5.05 | 5.06 | -0.20% | |
| 5.12 | 5.12 | 5.04 | 5.07 | -0.59% | |
| 5.07 | 5.15 | 5.05 | 5.10 | +1.39% | |
| 4.99 | 5.06 | 4.96 | 5.03 | 0.00% | |
| 5.08 | 5.11 | 5.02 | 5.03 | -0.40% | |
| 4.95 | 5.07 | 4.91 | 5.05 | +0.80% | |
| 4.98 | 5.03 | 4.96 | 5.01 | +0.20% | |
| 5.01 | 5.03 | 4.96 | 5.00 | -0.40% | |
| 5.07 | 5.08 | 5.00 | 5.02 | -0.79% | |
| 5.20 | 5.20 | 5.05 | 5.06 | -2.88% | |
| 5.25 | 5.28 | 5.20 | 5.21 | -0.57% | |
| 5.35 | 5.35 | 5.22 | 5.24 | -2.06% | |
| 5.34 | 5.40 | 5.32 | 5.35 | -0.56% | |
| 5.36 | 5.40 | 5.32 | 5.38 | +1.13% | |
| 5.33 | 5.34 | 5.29 | 5.32 | +0.76% | |
| 5.34 | 5.36 | 5.27 | 5.28 | -1.31% | |
| 5.32 | 5.38 | 5.24 | 5.35 | +0.75% | |
| 5.45 | 5.45 | 5.28 | 5.31 | -2.21% | |
| 5.59 | 5.59 | 5.41 | 5.43 | -2.86% | |
| 5.69 | 5.71 | 5.59 | 5.59 | -1.58% | |
| 5.69 | 5.73 | 5.66 | 5.68 | +0.18% | |
| 5.58 | 5.69 | 5.57 | 5.67 | +1.25% | |
| 5.65 | 5.69 | 5.59 | 5.60 | -0.53% | |
| 5.65 | 5.68 | 5.60 | 5.63 | -0.53% | |
| 5.65 | 5.70 | 5.60 | 5.66 | 0.00% | |
| 5.63 | 5.67 | 5.62 | 5.66 | 0.00% | |
| 5.70 | 5.76 | 5.64 | 5.66 | -0.35% | |
| 5.70 | 5.72 | 5.66 | 5.68 | -0.53% | |
| 5.71 | 5.76 | 5.69 | 5.71 | -0.70% | |
| 5.69 | 5.78 | 5.65 | 5.75 | +1.05% | |
| 5.70 | 5.70 | 5.65 | 5.69 | -0.18% | |
| 5.84 | 5.84 | 5.70 | 5.70 | -2.06% | |
| 5.79 | 5.88 | 5.79 | 5.82 | 0.00% | |
| 5.82 | 5.86 | 5.79 | 5.82 | +0.52% | |
| 5.88 | 5.88 | 5.79 | 5.79 | -0.69% | |
| 5.85 | 5.89 | 5.80 | 5.83 | -1.02% | |
| 5.81 | 5.89 | 5.81 | 5.89 | +1.20% | |
| 5.78 | 5.83 | 5.76 | 5.82 | +0.87% | |
| 5.80 | 5.87 | 5.75 | 5.77 | -0.69% | |
| 5.68 | 5.86 | 5.66 | 5.81 | +2.65% | |
| 5.66 | 5.75 | 5.62 | 5.66 | -1.39% | |
| 5.63 | 5.76 | 5.54 | 5.74 | -0.17% | |
| 5.83 | 5.84 | 5.73 | 5.75 | -0.35% | |
| 5.81 | 5.82 | 5.71 | 5.77 | -0.35% | |
| 5.74 | 5.81 | 5.69 | 5.79 | +0.87% | |
| 5.86 | 5.87 | 5.72 | 5.74 | -1.71% | |
| 5.97 | 5.98 | 5.84 | 5.84 | -2.34% | |
| 5.97 | 6.04 | 5.94 | 5.98 | +0.34% | |
| 6.05 | 6.12 | 5.94 | 5.96 | -1.97% | |
| 6.04 | 6.19 | 6.04 | 6.08 | +1.16% | |
| 6.09 | 6.12 | 6.01 | 6.01 | -1.48% | |
| 6.01 | 6.10 | 5.96 | 6.10 | +1.84% | |
| 5.90 | 6.01 | 5.89 | 5.99 | +0.50% | |
| 5.79 | 5.98 | 5.79 | 5.96 | +3.47% | |
| 5.80 | 5.81 | 5.74 | 5.76 | -0.86% | |
| 5.84 | 5.89 | 5.80 | 5.81 | -0.51% | |
| 5.90 | 5.91 | 5.79 | 5.84 | -0.51% | |
| 5.77 | 5.89 | 5.76 | 5.87 | +1.73% | |
| 5.82 | 5.85 | 5.77 | 5.77 | -0.69% | |
| 5.75 | 5.85 | 5.75 | 5.81 | +1.57% | |
| 5.66 | 5.74 | 5.66 | 5.72 | +1.24% | |
| 5.66 | 5.70 | 5.62 | 5.65 | -0.18% | |
| 5.71 | 5.76 | 5.64 | 5.66 | -0.53% | |
| 5.60 | 5.72 | 5.59 | 5.69 | +1.43% | |
| 5.60 | 5.68 | 5.56 | 5.61 | +0.54% | |
| 5.48 | 5.63 | 5.46 | 5.58 | +1.82% | |
| 5.71 | 5.75 | 5.44 | 5.48 | +0.55% | |
| 5.86 | 5.86 | 5.45 | 5.45 | -7.00% | |
| 5.90 | 5.92 | 5.86 | 5.86 | -1.84% | |
| 6.02 | 6.04 | 5.95 | 5.97 | -0.83% | |
| 5.97 | 6.04 | 5.97 | 6.02 | +1.01% | |
| 6.00 | 6.07 | 5.94 | 5.96 | -0.33% | |
| 5.93 | 5.99 | 5.86 | 5.98 | +1.18% | |
| 5.87 | 5.93 | 5.84 | 5.91 | +0.85% | |
| 5.89 | 5.94 | 5.83 | 5.86 | -0.51% | |
| 5.92 | 5.95 | 5.85 | 5.89 | +0.34% | |
| 6.01 | 6.04 | 5.86 | 5.87 | -2.33% | |
| 6.00 | 6.07 | 5.99 | 6.01 | +0.17% | |
| 5.95 | 6.01 | 5.91 | 6.00 | +1.01% | |
| 5.89 | 5.95 | 5.85 | 5.94 | +0.85% | |
| 5.90 | 5.94 | 5.86 | 5.89 | -0.34% | |
| 5.93 | 5.99 | 5.90 | 5.91 | -0.51% | |
| 5.94 | 6.01 | 5.92 | 5.94 | +0.68% | |
| 5.97 | 6.05 | 5.90 | 5.90 | -1.83% | |
| 5.95 | 6.02 | 5.92 | 6.01 | +1.18% | |
| 5.87 | 5.97 | 5.81 | 5.94 | +2.06% | |
| 5.91 | 5.95 | 5.80 | 5.82 | -1.52% | |
| 5.80 | 5.95 | 5.80 | 5.91 | +0.85% | |
| 5.87 | 5.89 | 5.79 | 5.86 | -0.51% | |
| 5.92 | 5.94 | 5.87 | 5.89 | -0.67% | |
| 5.92 | 5.99 | 5.90 | 5.93 | 0.00% | |
| 6.00 | 6.04 | 5.92 | 5.93 | -1.50% | |
| 6.00 | 6.06 | 5.94 | 6.02 | +0.84% | |
| 5.91 | 6.01 | 5.89 | 5.97 | +1.02% | |
| 5.88 | 5.92 | 5.85 | 5.91 | +0.34% | |
| 5.78 | 5.92 | 5.75 | 5.89 | +1.90% | |
| 5.75 | 5.79 | 5.71 | 5.78 | +0.35% | |
| 5.76 | 5.83 | 5.75 | 5.76 | +0.17% | |
| 5.85 | 5.87 | 5.72 | 5.75 | -2.21% | |
| 5.92 | 5.97 | 5.87 | 5.88 | -0.51% | |
| 5.94 | 5.99 | 5.90 | 5.91 | -0.67% | |
| 5.95 | 5.99 | 5.89 | 5.95 | -0.34% | |
| 6.10 | 6.12 | 5.94 | 5.97 | -1.65% | |
| 6.33 | 6.55 | 6.03 | 6.07 | -3.34% | |
| 6.31 | 6.35 | 6.25 | 6.28 | -0.79% | |
| 6.36 | 6.39 | 6.28 | 6.33 | 0.00% | |
| 6.30 | 6.37 | 6.25 | 6.33 | +0.96% | |
| 6.28 | 6.31 | 6.22 | 6.27 | -0.63% | |
| 6.30 | 6.36 | 6.28 | 6.31 | +0.48% | |
| 6.21 | 6.32 | 6.20 | 6.28 | +1.95% | |
| 6.25 | 6.29 | 6.15 | 6.16 | -1.60% | |
| 6.24 | 6.30 | 6.22 | 6.26 | -0.63% | |
| 6.38 | 6.41 | 6.29 | 6.30 | -0.63% | |
| 6.32 | 6.36 | 6.26 | 6.34 | +0.48% | |
| 6.24 | 6.33 | 6.24 | 6.31 | +1.45% | |
| 6.27 | 6.35 | 6.21 | 6.22 | +0.32% | |
| 6.36 | 6.36 | 6.20 | 6.20 | -1.59% | |
| 6.37 | 6.44 | 6.29 | 6.30 | -1.25% | |
| 6.41 | 6.48 | 6.37 | 6.38 | -0.47% | |
| 6.37 | 6.43 | 6.36 | 6.41 | +0.63% | |
| 6.28 | 6.39 | 6.26 | 6.37 | +1.11% | |
| 6.35 | 6.35 | 6.28 | 6.30 | +0.16% | |
| 6.39 | 6.39 | 6.29 | 6.29 | -1.56% | |
| 6.33 | 6.43 | 6.33 | 6.39 | +1.11% | |
| 6.29 | 6.42 | 6.25 | 6.32 | +0.80% | |
| 6.27 | 6.27 | 6.18 | 6.27 | +2.12% | |
| 6.18 | 6.21 | 6.13 | 6.14 | -0.81% | |
| 6.21 | 6.25 | 6.17 | 6.19 | -0.64% | |
| 6.28 | 6.29 | 6.19 | 6.23 | 0.00% | |
| 6.22 | 6.35 | 6.22 | 6.23 | +1.47% | |
| 6.13 | 6.16 | 6.02 | 6.14 | -0.32% | |
| 6.22 | 6.28 | 6.11 | 6.16 | +0.16% | |
| 6.16 | 6.22 | 6.11 | 6.15 | -0.97% | |
| 6.24 | 6.31 | 6.19 | 6.21 | -0.96% | |
| 6.40 | 6.41 | 6.27 | 6.27 | -0.32% | |
| 6.22 | 6.35 | 6.20 | 6.29 | +0.48% | |
| 6.28 | 6.34 | 6.15 | 6.26 | 0.00% | |
| 6.45 | 6.47 | 6.16 | 6.26 | -2.80% | |
| 6.41 | 6.50 | 6.37 | 6.44 | 0.00% | |
| 6.52 | 6.54 | 6.42 | 6.44 | -1.68% | |
| 6.44 | 6.64 | 6.44 | 6.55 | +2.02% | |
| 6.41 | 6.45 | 6.33 | 6.42 | +1.42% | |
| 6.35 | 6.45 | 6.30 | 6.33 | +0.64% | |
| 6.26 | 6.39 | 6.26 | 6.29 | +0.16% | |
| 6.15 | 6.29 | 6.12 | 6.28 | +1.78% | |
| 6.18 | 6.26 | 6.11 | 6.17 | -0.32% | |
| 6.07 | 6.26 | 6.02 | 6.19 | +1.81% | |
| 6.50 | 6.52 | 5.95 | 6.08 | -11.63% | |
| 6.93 | 6.95 | 6.81 | 6.88 | -1.29% | |
| 6.96 | 7.00 | 6.87 | 6.97 | +0.43% | |
| 6.86 | 6.98 | 6.74 | 6.94 | -0.29% | |
| 6.90 | 7.01 | 6.85 | 6.96 | -0.29% | |
| 6.95 | 7.11 | 6.91 | 6.98 | +1.45% | |
| 6.85 | 6.96 | 6.78 | 6.88 | +0.58% | |
| 6.80 | 6.85 | 6.75 | 6.84 | +0.59% | |
| 6.78 | 6.82 | 6.72 | 6.80 | +0.74% | |
| 6.70 | 6.76 | 6.69 | 6.75 | +0.75% | |
| 6.76 | 6.76 | 6.66 | 6.70 | -0.45% | |
| 6.74 | 6.77 | 6.70 | 6.73 | +0.45% | |
| 6.78 | 6.78 | 6.67 | 6.70 | -0.89% | |
| 6.82 | 6.86 | 6.75 | 6.76 | -0.73% | |
| 6.65 | 6.84 | 6.65 | 6.81 | +2.41% | |
| 6.61 | 6.68 | 6.58 | 6.65 | +0.61% | |
| 6.62 | 6.66 | 6.57 | 6.61 | -0.15% | |
| 6.49 | 6.66 | 6.49 | 6.62 | +2.00% | |
| 6.50 | 6.53 | 6.44 | 6.49 | 0.00% | |
| 6.58 | 6.63 | 6.46 | 6.49 | -0.61% | |
| 6.54 | 6.63 | 6.48 | 6.53 | -0.15% | |
| 6.56 | 6.60 | 6.47 | 6.54 | 0.00% | |
| 6.52 | 6.60 | 6.49 | 6.54 | +0.46% | |
| 6.54 | 6.57 | 6.42 | 6.51 | -0.61% | |
| 6.50 | 6.57 | 6.43 | 6.55 | +1.24% | |
| 6.58 | 6.64 | 6.45 | 6.47 | -1.67% | |
| 6.64 | 6.68 | 6.55 | 6.58 | -0.75% | |
| 6.48 | 6.65 | 6.45 | 6.63 | +2.95% | |
| 6.39 | 6.46 | 6.38 | 6.44 | +0.94% | |
| 6.42 | 6.42 | 6.35 | 6.38 | -0.31% | |
| 6.43 | 6.52 | 6.38 | 6.40 | -0.16% | |
| 6.55 | 6.61 | 6.39 | 6.41 | -1.69% | |
| 6.47 | 6.55 | 6.43 | 6.52 | +0.77% | |
| 6.44 | 6.48 | 6.37 | 6.47 | +0.47% | |
| 6.41 | 6.49 | 6.38 | 6.44 | +0.47% | |
| 6.36 | 6.43 | 6.34 | 6.41 | +1.10% | |
| 6.35 | 6.39 | 6.30 | 6.34 | -0.47% | |
| 6.40 | 6.47 | 6.34 | 6.37 | -0.31% | |
| 6.27 | 6.40 | 6.25 | 6.39 | +2.40% | |
| 6.40 | 6.49 | 6.20 | 6.24 | -2.65% | |
| 6.31 | 6.62 | 6.29 | 6.41 | +3.22% | |
| 6.16 | 6.23 | 6.11 | 6.21 | +1.64% | |
| 6.12 | 6.14 | 6.04 | 6.11 | -0.16% | |
| 6.15 | 6.20 | 6.11 | 6.12 | -0.49% | |
| 6.16 | 6.19 | 6.13 | 6.15 | -1.13% | |
| 6.27 | 6.32 | 6.21 | 6.22 | -0.64% | |
| 6.16 | 6.31 | 6.16 | 6.26 | +1.13% | |
| 6.22 | 6.24 | 6.17 | 6.19 | -0.64% | |
| 6.24 | 6.26 | 6.22 | 6.23 | 0.00% | |
| 6.19 | 6.28 | 6.18 | 6.23 | +0.81% | |
| 6.15 | 6.19 | 6.04 | 6.18 | +0.32% | |
| 6.27 | 6.34 | 6.12 | 6.16 | -1.75% | |
| 6.10 | 6.28 | 6.07 | 6.27 | +2.96% | |
| 6.16 | 6.18 | 6.06 | 6.09 | -1.14% | |
| 6.02 | 6.21 | 6.00 | 6.16 | +3.53% | |
| 5.92 | 5.97 | 5.90 | 5.95 | +1.19% | |
| 5.89 | 5.93 | 5.84 | 5.88 | +0.34% | |
| 5.82 | 5.92 | 5.82 | 5.86 | +1.03% | |
| 5.80 | 5.83 | 5.76 | 5.80 | +0.69% | |
| 5.79 | 5.82 | 5.76 | 5.76 | -0.17% | |
| 5.84 | 5.84 | 5.74 | 5.77 | -1.54% | |
| 5.83 | 5.89 | 5.83 | 5.86 | +0.17% | |
| 5.93 | 5.94 | 5.83 | 5.85 | -1.02% | |
| 6.01 | 6.02 | 5.90 | 5.91 | -1.17% | |
| 6.11 | 6.11 | 5.98 | 5.98 | -1.32% | |
| 6.11 | 6.14 | 6.04 | 6.06 | -1.62% | |
| 6.13 | 6.17 | 6.10 | 6.16 | +0.33% | |
| 6.09 | 6.17 | 6.08 | 6.14 | +0.99% | |
| 5.99 | 6.09 | 5.95 | 6.08 | +2.01% | |
| 5.96 | 6.00 | 5.88 | 5.96 | 0.00% | |
| 5.97 | 6.00 | 5.89 | 5.96 | +0.51% | |
| 5.98 | 6.03 | 5.92 | 5.93 | -0.34% | |
| 6.06 | 6.06 | 5.91 | 5.95 | -1.16% | |
| 5.99 | 6.06 | 5.96 | 6.02 | +0.33% | |
| 6.13 | 6.13 | 5.96 | 6.00 | -1.15% | |
| 6.10 | 6.16 | 6.07 | 6.07 | -1.30% | |
| 6.13 | 6.23 | 6.08 | 6.15 | -0.16% | |
| 6.21 | 6.23 | 6.14 | 6.16 | -0.81% | |
| 6.32 | 6.40 | 6.18 | 6.21 | -1.74% | |
| 6.27 | 6.33 | 6.18 | 6.32 | +1.28% | |
| 5.91 | 6.48 | 5.91 | 6.24 | +9.09% | |
| 5.59 | 5.74 | 5.58 | 5.72 | +2.33% | |
| 5.56 | 5.60 | 5.52 | 5.59 | +1.27% | |
| 5.54 | 5.55 | 5.50 | 5.52 | -0.72% | |
| 5.56 | 5.59 | 5.46 | 5.56 | -0.36% | |
| 5.55 | 5.62 | 5.52 | 5.58 | +0.18% | |
| 5.65 | 5.65 | 5.56 | 5.57 | -1.07% | |
| 5.77 | 5.79 | 5.61 | 5.63 | -2.09% | |
| 5.68 | 5.84 | 5.68 | 5.75 | +0.52% | |
| 5.76 | 5.79 | 5.67 | 5.72 | -0.69% | |
| 5.85 | 5.85 | 5.75 | 5.76 | -0.69% | |
| 5.92 | 5.94 | 5.78 | 5.80 | -1.69% | |
| 5.95 | 5.96 | 5.89 | 5.90 | -0.84% | |
| 6.05 | 6.07 | 5.95 | 5.95 | -1.65% | |
| 6.00 | 6.07 | 5.97 | 6.05 | +1.17% | |
| 5.94 | 5.98 | 5.88 | 5.98 | +0.50% | |
| 5.96 | 6.01 | 5.91 | 5.95 | 0.00% | |
| 5.86 | 5.96 | 5.86 | 5.95 | +1.54% | |
| 5.81 | 5.90 | 5.78 | 5.86 | +0.51% | |
| 5.79 | 5.84 | 5.78 | 5.83 | +0.69% | |
| 5.83 | 5.85 | 5.78 | 5.79 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the AQN chart for longer ranges.