3M (MMM) Seasonality
Recurring seasonal patterns for MMM — the calendar windows where 3M 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.
MMM seasonality at a glance
Over the last 10 years, MMM's strongest seasonal window has been Jul 6 – Jul 16: it ended higher in 10 of 10 years (100% win rate) with an average return of +2.40% across a 10-day hold. On the weak side, MMM has historically declined between Sep 20 – Oct 10, falling in 9 of 10 years (average -3.89%).
In total, our analysis finds 509 recurring seasonal windows for 3M — 340 bullish and 169 bearish. The next high-win-rate window, Sep 5 – Sep 25, opens in 40 days. These figures describe historical behaviour only — not a forecast.
MMM'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 | Jul 4 – Jul 24 | 20d | +1.67% | 90% | +5.70% |
| Completedended 4d ago | Jul 3 – Jul 23 | 20d | +1.74% | 90% | +5.70% |
| Upcomingin 40d | Sep 5 – Sep 25 | 20d | -2.38% | 80% | — |
| Upcomingin 41d | Sep 6 – Sep 26 | 20d | -1.71% | 80% | — |
| Upcomingin 49d | Sep 14 – Oct 14 | 30d | -3.03% | 80% | — |
| Upcomingin 53d | Sep 18 – Sep 28 | 10d | -1.65% | 80% | — |
| Upcomingin 54d | Sep 19 – Sep 29 | 10d | -2.05% | 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 MMM seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
MMM seasonality FAQ
What has historically been the best month to buy MMM stock?
Based on the last 10 years of price data, MMM's strongest seasonal window starts in July: Jul 6 to Jul 16, which ended higher in 10 of 10 years (100% win rate) with an average return of +2.40%. Past seasonal patterns do not guarantee future performance.
What is MMM's strongest seasonal pattern?
MMM's highest-win-rate pattern in our data is the Jul 6 – Jul 16 window (10-day hold): up in 10 of the last 10 years with an average move of +2.40%.
When has MMM historically performed worst?
MMM's weakest recurring window has been Sep 20 to Oct 10, declining in 9 of 10 years with an average return of -3.89%.
How reliable are MMM's seasonal patterns?
Each MMM pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. MMM currently shows 509 recurring windows (340 bullish, 169 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is MMM stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing 3M's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where MMM 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.