Seasonality
AEE seasonality — Ameren
Over the last 11 years, AEE's strongest month on average has been July (+4.6%) and its weakest September (-2.2%).
Average return by month
Month-by-month statistics
| Month | Avg | Median | Up % | Best | Worst | Yrs |
|---|---|---|---|---|---|---|
| Jan | +0.53% | +0.03% | 50% | +6.8% | -6.8% | 10 |
| Feb | +0.73% | -0.41% | 50% | +9.7% | -4.8% | 10 |
| Mar | +2.86% | +3.57% | 60% | +15.8% | -7.8% | 10 |
| Apr | +1.10% | +0.04% | 50% | +4.3% | -1.2% | 10 |
| May | -0.70% | +0.05% | 50% | +3.8% | -8.9% | 10 |
| Jun | -1.28% | -1.97% | 40% | +4.7% | -5.8% | 10 |
| Jul | +4.60% | +3.95% | 90% | +14.0% | -3.0% | 10 |
| Aug | +0.53% | +0.67% | 50% | +6.9% | -7.5% | 10 |
| Sep | -2.18% | -1.81% | 30% | +6.0% | -13.0% | 10 |
| Oct | +2.40% | +1.68% | 70% | +11.2% | -2.9% | 10 |
| Nov | +2.49% | +3.18% | 67% | +9.6% | -4.3% | 9 |
| Dec | -1.20% | -2.69% | 40% | +9.1% | -7.8% | 10 |
Monthly returns heat map — AEE
price return, %| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 3.4 | 9.7 | -3.0 | 3.4 | -5.0 | 4.7 | -3.0 | -3.3 | -6.2 | 11.2 | 2.1 | +13.0% | |
| 2025 | 5.7 | 7.8 | -1.1 | -1.2 | -2.4 | -0.9 | 5.3 | -1.3 | 4.6 | -2.3 | 4.2 | -6.1 | +12.0% |
| 2024 | -3.8 | 2.3 | 3.9 | -0.1 | -0.7 | -3.1 | 11.5 | 4.1 | 6.0 | -0.4 | 8.4 | -5.6 | +23.2% |
| 2023 | -2.3 | -4.8 | 4.5 | 3.0 | -8.9 | 0.7 | 4.9 | -7.5 | -5.6 | 1.2 | 2.5 | -6.8 | -18.6% |
| 2022 | -0.3 | -3.1 | 9.1 | -0.9 | 2.5 | -5.1 | 3.0 | -0.5 | -13.0 | 1.2 | 9.6 | -0.5 | -0.1% |
| 2021 | -6.8 | -3.4 | 15.8 | 4.3 | -0.8 | -4.9 | 4.8 | 4.5 | -7.7 | 4.1 | -3.2 | 9.1 | +14.0% |
| 2020 | 6.8 | -3.7 | -7.8 | -0.1 | 2.7 | -5.8 | 14.0 | -1.4 | -0.0 | 2.6 | -4.1 | 0.4 | +1.6% |
| 2019 | 6.3 | 2.7 | 3.2 | -1.1 | 0.8 | 2.4 | 0.8 | 1.9 | 3.8 | -2.9 | -4.3 | 3.3 | +17.7% |
| 2018 | -4.0 | -4.1 | 4.3 | 3.5 | 1.0 | 2.8 | 2.0 | 1.9 | -0.0 | 2.1 | 6.3 | -4.9 | +10.6% |
| 2017 | 0.4 | 3.9 | -0.2 | 0.2 | 3.8 | -3.7 | 2.6 | 6.9 | -3.6 | 7.2 | 3.2 | -7.8 | +12.4% |
| 2016 | 6.8 |