UnitedHealth Group (UNH) Seasonality
Recurring seasonal patterns for UNH — the calendar windows where UnitedHealth Group 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.
UNH seasonality at a glance
Over the last 10 years, UNH'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 +4.04% across a 10-day hold. On the weak side, UNH has historically declined between Nov 10 – Nov 20, falling in 8 of 10 years (average -1.54%).
In total, our analysis finds 642 recurring seasonal windows for UnitedHealth Group — 486 bullish and 156 bearish. The next high-win-rate window, Sep 17 – Oct 17, opens in 52 days. These figures describe historical behaviour only — not a forecast.
UNH'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 | +3.40% | 80% | +4.38% |
| Completedended 4d ago | Jun 23 – Jul 23 | 30d | +3.73% | 80% | +3.50% |
| Upcomingin 52d | Sep 17 – Oct 17 | 30d | +2.86% | 80% | — |
| Upcomingin 53d | Sep 18 – Oct 18 | 30d | +3.81% | 90% | — |
| Upcomingin 56d | Sep 21 – Oct 21 | 30d | +4.69% | 80% | — |
| Upcomingin 57d | Sep 22 – Oct 22 | 30d | +4.89% | 80% | — |
| Upcomingin 58d | Sep 23 – Oct 23 | 30d | +5.07% | 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 UNH seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
UNH seasonality FAQ
What has historically been the best month to buy UNH stock?
Based on the last 10 years of price data, UNH'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 +4.04%. Past seasonal patterns do not guarantee future performance.
What is UNH's strongest seasonal pattern?
UNH'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 +4.04%.
When has UNH historically performed worst?
UNH's weakest recurring window has been Nov 10 to Nov 20, declining in 8 of 10 years with an average return of -1.54%.
How reliable are UNH's seasonal patterns?
Each UNH pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. UNH currently shows 642 recurring windows (486 bullish, 156 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is UNH stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing UnitedHealth Group's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where UNH 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.