Seasonality
WMS seasonality — Advanced Drainage Systems
Over the last 11 years, WMS's strongest month on average has been February (+5.0%) and its weakest March (-5.4%).
Average return by month
Month-by-month statistics
| Month | Avg | Median | Up % | Best | Worst | Yrs |
|---|---|---|---|---|---|---|
| Jan | +3.98% | +4.79% | 70% | +23.0% | -16.9% | 10 |
| Feb | +4.99% | +1.95% | 60% | +33.4% | -12.0% | 10 |
| Mar | -5.38% | -1.57% | 40% | +5.5% | -29.7% | 10 |
| Apr | +4.96% | +4.85% | 70% | +37.7% | -13.8% | 10 |
| May | +3.18% | +4.56% | 70% | +15.1% | -16.9% | 10 |
| Jun | +4.15% | +4.71% | 70% | +17.6% | -17.8% | 10 |
| Jul | +4.19% | +1.33% | 60% | +31.7% | -11.8% | 10 |
| Aug | +4.04% | +1.54% | 50% | +25.5% | -11.5% | 10 |
| Sep | -1.68% | -2.55% | 40% | +12.6% | -11.2% | 10 |
| Oct | -0.27% | -1.24% | 50% | +14.7% | -10.1% | 10 |
| Nov | +4.27% | +8.80% | 67% | +21.2% | -16.1% | 9 |
| Dec | +0.36% | +1.06% | 60% | +19.8% | -15.7% | 10 |
Monthly returns heat map — WMS
price return, %| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 5.0 | 12.7 | -20.0 | 8.8 | -6.8 | 12.8 | -11.8 | -2.0 | -6.7 | 6.9 | -8.2 | -14.2% | |
| 2025 | 4.6 | -7.9 | -2.5 | 4.5 | -3.1 | 4.5 | -0.1 | 25.5 | -3.7 | 1.0 | 8.8 | -5.0 | +25.3% |
| 2024 | -7.3 | 25.2 | 5.5 | -8.8 | 10.5 | -7.5 | 10.4 | -11.5 | 0.3 | -4.6 | -9.7 | -14.6 | -17.8% |
| 2023 | 23.0 | -12.0 | -5.1 | 1.8 | 12.9 | 17.6 | 7.2 | 5.1 | -11.2 | -6.2 | 13.4 | 16.1 | +71.6% |
| 2022 | -16.9 | 3.2 | 1.8 | -13.8 | 6.9 | -17.8 | 31.7 | 14.4 | -8.3 | -6.8 | -16.1 | -15.7 | -39.8% |
| 2021 | -1.3 | 33.4 | -6.0 | 8.0 | 1.6 | 2.8 | 4.7 | -6.5 | -5.2 | 4.3 | 9.7 | 10.0 | +62.9% |
| 2020 | 7.0 | 0.7 | -29.7 | 37.7 | 9.4 | 11.4 | -0.8 | 13.2 | 12.6 | 1.6 | 10.0 | 19.8 | +115.2% |
| 2019 | 5.2 | -0.3 | 1.4 | 8.8 | 2.2 | 14.3 | 0.4 | -4.7 | 2.8 | 14.7 | 3.1 | 1.8 | +60.2% |
| 2018 | 3.6 | 3.4 | 1.4 | -2.7 | 15.1 | -1.6 | -2.1 | 12.2 | -1.4 | -10.1 | -1.9 | -11.1 | +1.7% |
| 2017 | 17.0 | -8.5 | -0.7 | 5.2 | -16.9 | 5.0 | 2.2 | -5.3 | 4.1 | -3.5 | 21.2 | 0.6 | +15.8% |
| 2016 | 1.5 |