PTC Therapeutics, Inc. (PTCT) Seasonality
Recurring seasonal patterns for PTCT — the calendar windows where PTC Therapeutics, Inc. has historically tended to rise or fall, with the win rate (how often it repeated) and average return for each, based on the last 10 years of price history.
PTCT seasonality at a glance
Over the last 10 years, PTCT's strongest seasonal window has been Nov 15 – Nov 25: it ended higher in 10 of 10 years (100% win rate) with an average return of +5.59% across a 10-day hold. On the weak side, PTCT has historically declined between Oct 8 – Oct 28, falling in 8 of 10 years (average -8.83%).
In total, our analysis finds 906 recurring seasonal windows for PTC Therapeutics, Inc. — 615 bullish and 291 bearish. The next high-win-rate window, Aug 3 – Aug 13, opens in 7 days. These figures describe historical behaviour only — not a forecast.
PTCT's upcoming & recent seasonal patterns
Holding period:10-day20-day30-dayOrdered by season — windows opening soon first, plus a couple of recently completed high-performers. Holding-period colors help you compare durations at a glance.
| Status | Seasonal window | Hold | Avg return | Win rate | This year |
|---|---|---|---|---|---|
| Completedended 8d ago | Jul 9 – Jul 19 | 10d | -2.39% | 80% | -12.24% |
| Completedended 17d ago | Jun 30 – Jul 10 | 10d | +4.61% | 80% | +4.02% |
| Upcomingin 7d | Aug 3 – Aug 13 | 10d | +6.12% | 80% | — |
| Upcomingin 7d | Aug 3 – Sep 2 | 30d | +8.70% | 80% | — |
| Upcomingin 8d | Aug 4 – Sep 3 | 30d | +7.85% | 90% | — |
| Upcomingin 9d | Aug 5 – Sep 4 | 30d | +5.32% | 80% | — |
| Upcomingin 12d | Aug 8 – Aug 28 | 20d | +2.60% | 80% | — |
Win rate = how often the pattern repeated in the same direction. Average return = the mean move across all analysed years. Past performance does not guarantee future results.
Explore PTCT seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
PTCT seasonality FAQ
What has historically been the best month to buy PTCT stock?
Based on the last 10 years of price data, PTCT's strongest seasonal window starts in November: Nov 15 to Nov 25, which ended higher in 10 of 10 years (100% win rate) with an average return of +5.59%. Past seasonal patterns do not guarantee future performance.
What is PTCT's strongest seasonal pattern?
PTCT's highest-win-rate pattern in our data is the Nov 15 – Nov 25 window (10-day hold): up in 10 of the last 10 years with an average move of +5.59%.
When has PTCT historically performed worst?
PTCT's weakest recurring window has been Oct 8 to Oct 28, declining in 8 of 10 years with an average return of -8.83%.
How reliable are PTCT's seasonal patterns?
Each PTCT pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. PTCT currently shows 906 recurring windows (615 bullish, 291 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is PTCT stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing PTC Therapeutics, Inc.'s price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where PTCT has repeatedly risen (bullish) or fallen (bearish). Each pattern is scored by its win rate and average return so you can judge how reliable and how strong it has been.
Seasonality is one input among many — it works best alongside your own research and risk management. Learn more in our guide to seasonal analysis and the tutorials.