Seasonality
AVA seasonality — Avista Corporation
Over the last 11 years, AVA's strongest month on average has been November (+3.2%) and its weakest August (-3.1%).
Average return by month
Month-by-month statistics
| Month | Avg | Median | Up % | Best | Worst | Yrs |
|---|---|---|---|---|---|---|
| Jan | -1.11% | -1.84% | 30% | +7.1% | -10.0% | 10 |
| Feb | +0.33% | -0.62% | 50% | +9.2% | -7.3% | 10 |
| Mar | +2.79% | +2.20% | 70% | +18.8% | -9.9% | 10 |
| Apr | +0.62% | +1.84% | 70% | +6.2% | -10.1% | 10 |
| May | -0.89% | -0.30% | 50% | +7.1% | -9.0% | 10 |
| Jun | -2.07% | -1.40% | 30% | +6.8% | -7.1% | 10 |
| Jul | +3.15% | -0.37% | 50% | +23.9% | -4.0% | 10 |
| Aug | -3.12% | -2.16% | 20% | +1.9% | -13.8% | 10 |
| Sep | -2.48% | -2.11% | 40% | +3.5% | -8.8% | 10 |
| Oct | +1.40% | +0.77% | 60% | +10.7% | -3.3% | 10 |
| Nov | +3.16% | +1.17% | 67% | +12.9% | -3.3% | 9 |
| Dec | -0.09% | +0.42% | 50% | +10.3% | -18.3% | 10 |
Monthly returns heat map — AVA
price return, %| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 7.1 | -1.6 | -1.2 | 2.4 | 0.9 | -1.4 | -1.1 | -8.1 | -5.6 | 7.1 | 7.1 | +4.4% | |
| 2025 | -0.0 | 9.2 | 4.8 | -1.0 | -7.1 | -1.4 | -1.7 | -2.0 | 3.5 | 0.6 | 8.8 | -6.9 | +5.2% |
| 2024 | -4.8 | -2.4 | 5.5 | 2.7 | 2.8 | -6.4 | 13.2 | -1.4 | 0.3 | -3.3 | 3.2 | -5.3 | +2.5% |
| 2023 | -10.0 | 3.1 | 3.2 | 3.8 | -6.2 | -5.0 | -1.6 | -13.8 | -2.8 | -2.1 | 7.1 | 5.3 | -19.4% |
| 2022 | 4.6 | 0.4 | 1.2 | -10.1 | 7.1 | 0.2 | -2.9 | -3.9 | -8.8 | 10.7 | 0.6 | 7.4 | +4.3% |
| 2021 | -6.6 | 7.3 | 18.8 | -3.6 | -1.5 | -5.9 | 0.4 | -2.3 | -6.5 | 1.8 | -3.3 | 10.3 | +5.8% |
| 2020 | 5.7 | -7.3 | -9.9 | 1.3 | -9.0 | -7.1 | 2.0 | -0.7 | -7.4 | -2.6 | 12.9 | 7.0 | -16.5% |
| 2019 | -1.5 | -3.4 | 0.5 | 6.2 | -3.2 | 6.8 | 3.2 | 1.9 | 3.3 | -0.8 | -1.6 | 1.7 | +13.2% |
| 2018 | -2.2 | -5.0 | 7.2 | 1.2 | 1.1 | 0.4 | -4.0 | 1.4 | -1.5 | 1.7 | 1.2 | -18.3 | -17.5% |
| 2017 | -3.4 | 3.2 | -2.1 | 3.3 | 6.2 | -0.9 | 23.9 | -2.3 | 0.7 | 0.9 | -0.6 | -0.9 | +28.8% |
| 2016 | -1.2 |