Seasonality
POR seasonality — Portland General Electric
Over the last 11 years, POR's strongest month on average has been November (+4.1%) and its weakest September (-5.2%).
Average return by month
Month-by-month statistics
| Month | Avg | Median | Up % | Best | Worst | Yrs |
|---|---|---|---|---|---|---|
| Jan | -0.21% | -0.92% | 40% | +10.2% | -7.1% | 10 |
| Feb | +0.13% | +0.08% | 50% | +9.0% | -11.5% | 10 |
| Mar | +1.68% | +2.12% | 60% | +12.6% | -11.9% | 10 |
| Apr | -0.23% | +1.49% | 60% | +7.1% | -14.2% | 10 |
| May | +0.14% | +0.67% | 70% | +4.4% | -5.7% | 10 |
| Jun | -2.54% | -3.22% | 30% | +3.4% | -11.2% | 10 |
| Jul | +3.08% | +3.67% | 80% | +9.6% | -4.8% | 10 |
| Aug | +0.11% | +1.92% | 70% | +6.3% | -13.6% | 10 |
| Sep | -5.18% | -5.44% | 10% | +2.9% | -15.9% | 10 |
| Oct | +2.46% | +2.16% | 60% | +10.7% | -1.2% | 10 |
| Nov | +4.10% | +3.98% | 78% | +11.2% | -2.4% | 9 |
| Dec | -0.57% | +0.02% | 50% | +8.7% | -9.0% | 10 |
Monthly returns heat map — POR
price return, %| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 4.7 | 7.4 | -2.2 | -1.6 | -3.5 | 3.4 | -4.8 | -0.9 | -8.7 | -0.5 | 3.4 | -4.2% | |
| 2025 | -5.7 | 9.0 | -0.5 | -5.6 | 0.7 | -4.2 | 1.2 | 4.0 | 2.9 | 3.8 | 11.2 | -5.6 | +10.0% |
| 2024 | -5.6 | -1.9 | 4.6 | 2.9 | 3.1 | -3.0 | 9.6 | 1.5 | -0.4 | -1.0 | 1.1 | -9.0 | +0.7% |
| 2023 | -2.9 | 0.5 | 2.3 | 3.5 | -3.7 | -3.9 | 1.8 | -8.0 | -7.7 | -1.1 | 2.6 | 5.5 | -11.6% |
| 2022 | -0.7 | -3.4 | 8.6 | -14.2 | 4.1 | -1.9 | 6.2 | 0.6 | -15.9 | 3.4 | 9.6 | -0.5 | -7.4% |
| 2021 | -1.1 | -0.3 | 12.6 | 7.1 | -5.7 | -3.9 | 6.1 | 5.0 | -8.5 | 4.9 | -1.3 | 8.7 | +23.7% |
| 2020 | 10.2 | -11.5 | -11.9 | -2.4 | 0.7 | -11.2 | 5.5 | -13.6 | -7.0 | 10.7 | 5.3 | 3.4 | -23.3% |
| 2019 | 5.4 | 3.8 | 3.4 | 0.9 | 1.1 | 2.5 | 1.3 | 3.7 | -0.9 | 0.9 | -2.4 | 0.5 | +21.7% |
| 2018 | -7.1 | -6.2 | 2.0 | 4.9 | 0.4 | 0.2 | 6.1 | 2.3 | -1.7 | -1.2 | 6.8 | -4.8 | +0.6% |
| 2017 | 0.7 | 3.9 | -2.0 | 2.1 | 4.4 | -3.5 | -2.2 | 6.3 | -3.9 | 4.6 | 4.0 | -8.2 | +5.2% |
| 2016 | 4.2 |