W. W. Grainger (GWW) Seasonality
Recurring seasonal patterns for GWW — the calendar windows where W. W. Grainger 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.
GWW seasonality at a glance
Over the last 10 years, GWW's strongest seasonal window has been Oct 19 – Nov 8: it ended higher in 10 of 10 years (100% win rate) with an average return of +6.38% across a 20-day hold. On the weak side, GWW has historically declined between Jun 15 – Jun 25, falling in 9 of 10 years (average -2.00%).
In total, our analysis finds 625 recurring seasonal windows for W. W. Grainger — 516 bullish and 109 bearish. The next high-win-rate window, Aug 4 – Aug 14, opens in 8 days. These figures describe historical behaviour only — not a forecast.
GWW'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 | +4.47% | 90% | +1.85% |
| Completedended 4d ago | Jun 23 – Jul 23 | 30d | +3.20% | 80% | +3.56% |
| Upcomingin 8d | Aug 4 – Aug 14 | 10d | +2.40% | 80% | — |
| Upcomingin 9d | Aug 5 – Aug 15 | 10d | +2.07% | 80% | — |
| Upcomingin 10d | Aug 6 – Aug 16 | 10d | +1.78% | 90% | — |
| Upcomingin 46d | Sep 11 – Sep 21 | 10d | -1.36% | 80% | — |
| Upcomingin 49d | Sep 14 – Sep 24 | 10d | -1.96% | 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 GWW seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
GWW seasonality FAQ
What has historically been the best month to buy GWW stock?
Based on the last 10 years of price data, GWW's strongest seasonal window starts in October: Oct 19 to Nov 8, which ended higher in 10 of 10 years (100% win rate) with an average return of +6.38%. Past seasonal patterns do not guarantee future performance.
What is GWW's strongest seasonal pattern?
GWW's highest-win-rate pattern in our data is the Oct 19 – Nov 8 window (20-day hold): up in 10 of the last 10 years with an average move of +6.38%.
When has GWW historically performed worst?
GWW's weakest recurring window has been Jun 15 to Jun 25, declining in 9 of 10 years with an average return of -2.00%.
How reliable are GWW's seasonal patterns?
Each GWW pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. GWW currently shows 625 recurring windows (516 bullish, 109 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is GWW stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing W. W. Grainger's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where GWW 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.