Watsco (WSO) Seasonality
Recurring seasonal patterns for WSO — the calendar windows where Watsco 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.
WSO seasonality at a glance
Over the last 10 years, WSO's strongest seasonal window has been Jun 26 – Jul 6: it ended higher in 10 of 10 years (100% win rate) with an average return of +2.90% across a 10-day hold. On the weak side, WSO has historically declined between Dec 8 – Jan 7, falling in 8 of 10 years (average -3.13%).
In total, our analysis finds 597 recurring seasonal windows for Watsco — 491 bullish and 106 bearish. The next high-win-rate window, Oct 27 – Nov 16, opens tomorrow. These figures describe historical behaviour only — not a forecast.
WSO'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 85d ago | Jul 23 – Aug 2 | 10d | -2.59% | 80% | -14.05% |
| Completedended 104d ago | Jun 14 – Jul 14 | 30d | +3.10% | 90% | +3.90% |
| Upcomingtomorrow | Oct 27 – Nov 16 | 20d | +4.36% | 90% | — |
| Upcomingin 2d | Oct 28 – Nov 17 | 20d | +3.74% | 80% | — |
| Upcomingin 3d | Oct 29 – Nov 18 | 20d | +3.73% | 80% | — |
| Upcomingin 4d | Oct 30 – Nov 19 | 20d | +4.29% | 80% | — |
| Upcomingin 5d | Oct 31 – Nov 30 | 30d | +3.58% | 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 WSO seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
WSO seasonality FAQ
What has historically been the best month to buy WSO stock?
Based on the last 10 years of price data, WSO's strongest seasonal window starts in June: Jun 26 to Jul 6, which ended higher in 10 of 10 years (100% win rate) with an average return of +2.90%. Past seasonal patterns do not guarantee future performance.
What is WSO's strongest seasonal pattern?
WSO's highest-win-rate pattern in our data is the Jun 26 – Jul 6 window (10-day hold): up in 10 of the last 10 years with an average move of +2.90%.
When has WSO historically performed worst?
WSO's weakest recurring window has been Dec 8 to Jan 7, declining in 8 of 10 years with an average return of -3.13%.
How reliable are WSO's seasonal patterns?
Each WSO pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. WSO currently shows 597 recurring windows (491 bullish, 106 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is WSO stock seasonality?
Seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Watsco's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where WSO 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.