Jabil (JBL) Seasonality
Recurring seasonal patterns for JBL — the calendar windows where Jabil 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.
JBL seasonality at a glance
Over the last 10 years, JBL's strongest seasonal window has been May 23 – Jun 12: it ended higher in 10 of 10 years (100% win rate) with an average return of +6.04% across a 20-day hold. On the weak side, JBL has historically declined between Jan 18 – Jan 28, falling in 8 of 10 years (average -2.87%).
In total, our analysis finds 792 recurring seasonal windows for Jabil — 669 bullish and 123 bearish. The next high-win-rate window, Aug 9 – Aug 29, opens in 13 days. These figures describe historical behaviour only — not a forecast.
JBL'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 33d ago | May 25 – Jun 24 | 30d | +6.37% | 80% | +2.04% |
| Completedended 34d ago | May 24 – Jun 23 | 30d | +8.28% | 80% | +2.37% |
| Upcomingin 13d | Aug 9 – Aug 29 | 20d | +2.39% | 90% | — |
| Upcomingin 14d | Aug 10 – Aug 30 | 20d | +3.06% | 80% | — |
| Upcomingin 17d | Aug 13 – Sep 2 | 20d | +1.85% | 80% | — |
| Upcomingin 23d | Aug 19 – Aug 29 | 10d | +3.00% | 80% | — |
| Upcomingin 23d | Aug 19 – Sep 18 | 30d | +3.37% | 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 JBL seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
JBL seasonality FAQ
What has historically been the best month to buy JBL stock?
Based on the last 10 years of price data, JBL's strongest seasonal window starts in May: May 23 to Jun 12, which ended higher in 10 of 10 years (100% win rate) with an average return of +6.04%. Past seasonal patterns do not guarantee future performance.
What is JBL's strongest seasonal pattern?
JBL's highest-win-rate pattern in our data is the May 23 – Jun 12 window (20-day hold): up in 10 of the last 10 years with an average move of +6.04%.
When has JBL historically performed worst?
JBL's weakest recurring window has been Jan 18 to Jan 28, declining in 8 of 10 years with an average return of -2.87%.
How reliable are JBL's seasonal patterns?
Each JBL pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. JBL currently shows 792 recurring windows (669 bullish, 123 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is JBL stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Jabil's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where JBL 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.