Automatic Data Processing (ADP) Seasonality
Recurring seasonal patterns for ADP — the calendar windows where Automatic Data Processing 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.
ADP seasonality at a glance
Over the last 10 years, ADP's strongest seasonal window has been Jun 27 – Jul 27: it ended higher in 10 of 10 years (100% win rate) with an average return of +6.90% across a 30-day hold. On the weak side, ADP has historically declined between Jun 17 – Jun 27, falling in 9 of 10 years (average -1.21%).
In total, our analysis finds 620 recurring seasonal windows for Automatic Data Processing — 480 bullish and 140 bearish. The next high-win-rate window, Jul 30 – Aug 19, opens in 3 days. These figures describe historical behaviour only — not a forecast.
ADP'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 | +2.35% | 80% | +0.25% |
| Completedended 4d ago | Jul 3 – Jul 23 | 20d | +2.55% | 80% | +0.25% |
| Upcomingin 3d | Jul 30 – Aug 19 | 20d | +1.27% | 80% | — |
| Upcomingin 4d | Jul 31 – Aug 20 | 20d | +1.04% | 80% | — |
| Upcomingin 5d | Aug 1 – Aug 11 | 10d | +1.62% | 90% | — |
| Upcomingin 5d | Aug 1 – Aug 21 | 20d | +1.82% | 90% | — |
| Upcomingin 5d | Aug 1 – Aug 31 | 30d | +2.15% | 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 ADP seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
ADP seasonality FAQ
What has historically been the best month to buy ADP stock?
Based on the last 10 years of price data, ADP's strongest seasonal window starts in June: Jun 27 to Jul 27, which ended higher in 10 of 10 years (100% win rate) with an average return of +6.90%. Past seasonal patterns do not guarantee future performance.
What is ADP's strongest seasonal pattern?
ADP's highest-win-rate pattern in our data is the Jun 27 – Jul 27 window (30-day hold): up in 10 of the last 10 years with an average move of +6.90%.
When has ADP historically performed worst?
ADP's weakest recurring window has been Jun 17 to Jun 27, declining in 9 of 10 years with an average return of -1.21%.
How reliable are ADP's seasonal patterns?
Each ADP pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. ADP currently shows 620 recurring windows (480 bullish, 140 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is ADP stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Automatic Data Processing's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where ADP 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.