Vertex Pharmaceuticals (VRTX) Seasonality
Recurring seasonal patterns for VRTX — the calendar windows where Vertex Pharmaceuticals 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.
VRTX seasonality at a glance
Over the last 10 years, VRTX's strongest seasonal window has been Jun 17 – Jul 17: it ended higher in 10 of 10 years (100% win rate) with an average return of +6.33% across a 30-day hold. On the weak side, VRTX has historically declined between Sep 2 – Sep 22, falling in 9 of 10 years (average -3.52%).
In total, our analysis finds 710 recurring seasonal windows for Vertex Pharmaceuticals — 499 bullish and 211 bearish. The next high-win-rate window, Sep 17 – Sep 27, opens in 6 days. These figures describe historical behaviour only — not a forecast.
VRTX'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 1d ago | Aug 31 – Sep 10 | 10d | -2.75% | 90% | -5.50% |
| Completedended 1d ago | Aug 21 – Sep 10 | 20d | -2.41% | 80% | -6.11% |
| Upcomingin 6d | Sep 17 – Sep 27 | 10d | -1.36% | 80% | — |
| Upcomingin 29d | Oct 10 – Nov 9 | 30d | +3.00% | 80% | — |
| Upcomingin 30d | Oct 11 – Nov 10 | 30d | +3.55% | 80% | — |
| Upcomingin 36d | Oct 17 – Oct 27 | 10d | -2.27% | 80% | — |
| Upcomingin 37d | Oct 18 – Nov 7 | 20d | +2.59% | 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 VRTX seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
VRTX seasonality FAQ
What has historically been the best month to buy VRTX stock?
Based on the last 10 years of price data, VRTX's strongest seasonal window starts in June: Jun 17 to Jul 17, which ended higher in 10 of 10 years (100% win rate) with an average return of +6.33%. Past seasonal patterns do not guarantee future performance.
What is VRTX's strongest seasonal pattern?
VRTX's highest-win-rate pattern in our data is the Jun 17 – Jul 17 window (30-day hold): up in 10 of the last 10 years with an average move of +6.33%.
When has VRTX historically performed worst?
VRTX's weakest recurring window has been Sep 2 to Sep 22, declining in 9 of 10 years with an average return of -3.52%.
How reliable are VRTX's seasonal patterns?
Each VRTX pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. VRTX currently shows 710 recurring windows (499 bullish, 211 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is VRTX stock seasonality?
Seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Vertex Pharmaceuticals's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where VRTX 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.