Seasonality
WST seasonality — West Pharmaceutical Services
Over the last 11 years, WST's strongest month on average has been July (+5.4%) and its weakest February (-3.7%).
Average return by month
Month-by-month statistics
| Month | Avg | Median | Up % | Best | Worst | Yrs |
|---|---|---|---|---|---|---|
| Jan | +1.21% | +4.00% | 70% | +12.8% | -16.2% | 10 |
| Feb | -3.66% | -3.35% | 20% | +19.4% | -32.0% | 10 |
| Mar | +2.76% | +1.17% | 70% | +10.4% | -3.6% | 10 |
| Apr | +5.03% | +8.30% | 60% | +24.3% | -23.3% | 10 |
| May | +1.55% | +2.61% | 50% | +14.2% | -7.4% | 10 |
| Jun | +4.80% | +4.46% | 70% | +14.3% | -2.6% | 10 |
| Jul | +5.41% | +9.52% | 60% | +18.4% | -7.0% | 10 |
| Aug | +2.88% | +4.41% | 80% | +10.6% | -13.6% | 10 |
| Sep | -0.98% | -2.85% | 40% | +10.6% | -17.1% | 10 |
| Oct | -0.75% | +1.34% | 60% | +11.3% | -15.2% | 10 |
| Nov | +2.73% | +2.22% | 78% | +10.2% | -1.7% | 9 |
| Dec | +0.44% | +0.48% | 70% | +6.0% | -10.5% | 10 |
Monthly returns heat map — WST
price return, %| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -16.0 | 10.1 | -1.4 | 18.7 | 8.5 | 11.2 | -5.0 | 0.0 | 8.7 | 11.3 | -3.1 | +45.3% | |
| 2025 | 4.3 | -32.0 | -3.6 | -5.6 | -0.2 | 3.8 | 9.3 | 3.2 | 6.2 | 7.5 | -1.7 | -0.8 | -16.0% |
| 2024 | 5.9 | -3.9 | 10.4 | -9.7 | -7.3 | -0.6 | -7.0 | 2.4 | -4.3 | 2.6 | 5.8 | 0.6 | -7.0% |
| 2023 | 12.8 | 19.4 | 9.3 | 4.3 | -7.4 | 14.3 | -3.8 | 10.6 | -7.8 | -15.2 | 10.2 | 0.4 | +49.6% |
| 2022 | -16.2 | -1.6 | 6.1 | -23.3 | -1.5 | -2.6 | 13.6 | -13.6 | -17.1 | -6.5 | 2.0 | 0.3 | -49.8% |
| 2021 | 5.7 | -6.3 | 0.4 | 16.6 | 5.8 | 3.3 | 14.7 | 9.7 | -6.0 | 1.3 | 3.0 | 6.0 | +65.5% |
| 2020 | 3.7 | -3.5 | 1.1 | 24.3 | 14.2 | 5.2 | 18.4 | 5.6 | -3.2 | -1.0 | 1.1 | 3.0 | +88.5% |
| 2019 | 10.4 | -3.2 | 5.2 | 12.3 | -7.4 | 9.2 | 9.7 | 6.0 | -2.5 | 1.4 | 2.2 | 2.2 | +53.4% |
| 2018 | 1.6 | -12.9 | 1.2 | -0.1 | 5.4 | 6.8 | 10.4 | 6.8 | 5.5 | -14.2 | 3.4 | -10.5 | -0.7% |
| 2017 | -0.2 | -2.5 | -1.0 | 12.8 | 5.4 | -2.6 | -6.2 | -1.9 | 10.6 | 5.3 | -1.4 | -1.3 | +16.3% |
| 2016 | 4.5 |