Seasonality
PTCT seasonality — PTC Therapeutics, Inc.
Over the last 11 years, PTCT's strongest month on average has been June (+9.4%) and its weakest September (-5.5%).
Average return by month
Month-by-month statistics
| Month | Avg | Median | Up % | Best | Worst | Yrs |
|---|---|---|---|---|---|---|
| Jan | +8.73% | +1.31% | 60% | +57.6% | -9.3% | 10 |
| Feb | +1.94% | +1.40% | 50% | +20.4% | -12.7% | 10 |
| Mar | -3.70% | +1.55% | 50% | +10.9% | -27.8% | 10 |
| Apr | +3.89% | +0.95% | 50% | +23.5% | -13.0% | 10 |
| May | +1.06% | +1.36% | 50% | +22.2% | -23.9% | 10 |
| Jun | +9.42% | +4.15% | 70% | +46.3% | -15.9% | 10 |
| Jul | +2.31% | +6.87% | 60% | +12.9% | -16.6% | 10 |
| Aug | +3.72% | +3.30% | 70% | +14.7% | -7.5% | 10 |
| Sep | -5.54% | -4.49% | 40% | +24.4% | -43.3% | 10 |
| Oct | -1.94% | -2.21% | 50% | +20.9% | -24.7% | 10 |
| Nov | +8.70% | +9.92% | 67% | +25.9% | -14.9% | 9 |
| Dec | +0.91% | +0.11% | 50% | +19.7% | -11.7% | 10 |
Monthly returns heat map — PTCT
price return, %| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -0.6 | -9.7 | -0.1 | -4.5 | 13.5 | 10.4 | -16.6 | 2.2 | -6.8 | -7.4 | 9.1 | -13.8% | |
| 2025 | 1.6 | 20.4 | -7.8 | -2.2 | -2.6 | 0.7 | 6.7 | -5.3 | 24.4 | 11.3 | 25.9 | -11.7 | +68.3% |
| 2024 | -5.3 | 8.1 | 3.2 | 10.5 | 13.1 | -15.9 | 10.7 | 4.3 | 5.0 | 7.6 | 9.9 | 2.9 | +63.8% |
| 2023 | 20.2 | -4.8 | 10.9 | 13.8 | -23.9 | -3.1 | -0.8 | -2.1 | -43.3 | -16.3 | 22.8 | 19.7 | -27.8% |
| 2022 | 1.0 | -12.7 | 6.2 | -5.3 | -16.9 | 36.4 | 8.7 | 14.7 | 0.5 | -24.7 | 9.7 | -8.0 | -4.2% |
| 2021 | -5.3 | -1.2 | -17.1 | -13.0 | -4.7 | 7.6 | -9.3 | 13.9 | -14.8 | 1.9 | -2.0 | 7.2 | -34.7% |
| 2020 | 7.2 | 6.5 | -18.6 | 14.1 | -0.4 | 0.1 | -8.7 | 6.7 | -5.4 | 11.6 | 19.9 | -2.5 | +27.1% |
| 2019 | -9.3 | 10.9 | 9.0 | -0.6 | 7.2 | 12.2 | 7.0 | -7.5 | -24.1 | 20.9 | 14.8 | 2.3 | +40.0% |
| 2018 | 57.6 | -2.0 | 5.1 | 2.5 | 22.2 | -0.5 | 12.9 | 9.6 | 12.6 | -18.0 | -7.8 | -3.4 | +105.8% |
| 2017 | 20.1 | 4.0 | -27.8 | 23.5 | 3.1 | 46.3 | 12.5 | 0.6 | -3.6 | -6.3 | -14.9 | 4.6 | +52.9% |
| 2016 | -2.1 |