Brown & Brown (BRO) Seasonality
Recurring seasonal patterns for BRO — the calendar windows where Brown & Brown 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.
BRO seasonality at a glance
Over the last 10 years, BRO's strongest seasonal window has been Nov 1 – Dec 1: it ended higher in 10 of 10 years (100% win rate) with an average return of +5.26% across a 30-day hold. On the weak side, BRO has historically declined between Oct 18 – Oct 28, falling in 9 of 10 years (average -2.64%).
In total, our analysis finds 674 recurring seasonal windows for Brown & Brown — 565 bullish and 109 bearish. The next high-win-rate window, Jul 29 – Aug 28, opens in 2 days. These figures describe historical behaviour only — not a forecast.
BRO'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 3d ago | Jun 24 – Jul 24 | 30d | +4.25% | 90% | +6.38% |
| Completedended 4d ago | Jun 23 – Jul 23 | 30d | +4.18% | 90% | +8.84% |
| Active30d left | Jul 27 – Aug 26 | 30d | +1.30% | 80% | — |
| Upcomingin 2d | Jul 29 – Aug 28 | 30d | +2.76% | 90% | — |
| Upcomingin 3d | Jul 30 – Aug 19 | 20d | +1.97% | 90% | — |
| Upcomingin 3d | Jul 30 – Aug 29 | 30d | +2.93% | 80% | — |
| Upcomingin 4d | Jul 31 – Aug 10 | 10d | +1.05% | 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 BRO seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
BRO seasonality FAQ
What has historically been the best month to buy BRO stock?
Based on the last 10 years of price data, BRO's strongest seasonal window starts in November: Nov 1 to Dec 1, which ended higher in 10 of 10 years (100% win rate) with an average return of +5.26%. Past seasonal patterns do not guarantee future performance.
What is BRO's strongest seasonal pattern?
BRO's highest-win-rate pattern in our data is the Nov 1 – Dec 1 window (30-day hold): up in 10 of the last 10 years with an average move of +5.26%.
When has BRO historically performed worst?
BRO's weakest recurring window has been Oct 18 to Oct 28, declining in 9 of 10 years with an average return of -2.64%.
How reliable are BRO's seasonal patterns?
Each BRO pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. BRO currently shows 674 recurring windows (565 bullish, 109 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is BRO stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Brown & Brown's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where BRO 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.