Pfizer (PFE) Seasonality
Recurring seasonal patterns for PFE — the calendar windows where Pfizer 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.
PFE seasonality at a glance
Over the last 10 years, PFE's strongest seasonal window has been Nov 20 – Nov 30: it ended higher in 10 of 10 years (100% win rate) with an average return of +4.12% across a 10-day hold. On the weak side, PFE has historically declined between Jan 9 – Feb 8, falling in 10 of 10 years (average -4.70%).
In total, our analysis finds 620 recurring seasonal windows for Pfizer — 361 bullish and 259 bearish. The next high-win-rate window, Sep 16 – Sep 26, opens in 5 days. These figures describe historical behaviour only — not a forecast.
PFE'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 45d ago | Jul 18 – Jul 28 | 10d | +2.43% | 90% | +2.56% |
| Completedended 45d ago | Jun 28 – Jul 28 | 30d | +5.78% | 80% | +5.77% |
| Upcomingin 5d | Sep 16 – Sep 26 | 10d | -1.93% | 90% | — |
| Upcomingin 6d | Sep 17 – Sep 27 | 10d | -1.53% | 80% | — |
| Upcomingin 46d | Oct 27 – Nov 16 | 20d | +2.03% | 80% | — |
| Upcomingin 46d | Oct 27 – Nov 26 | 30d | +4.63% | 80% | — |
| Upcomingin 47d | Oct 28 – Nov 17 | 20d | +2.65% | 90% | — |
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 PFE seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
PFE seasonality FAQ
What has historically been the best month to buy PFE stock?
Based on the last 10 years of price data, PFE's strongest seasonal window starts in November: Nov 20 to Nov 30, which ended higher in 10 of 10 years (100% win rate) with an average return of +4.12%. Past seasonal patterns do not guarantee future performance.
What is PFE's strongest seasonal pattern?
PFE's highest-win-rate pattern in our data is the Nov 20 – Nov 30 window (10-day hold): up in 10 of the last 10 years with an average move of +4.12%.
When has PFE historically performed worst?
PFE's weakest recurring window has been Jan 9 to Feb 8, declining in 10 of 10 years with an average return of -4.70%.
How reliable are PFE's seasonal patterns?
Each PFE pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. PFE currently shows 620 recurring windows (361 bullish, 259 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is PFE stock seasonality?
Seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Pfizer's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where PFE 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.