Lilly (Eli) (LLY) Seasonality
Recurring seasonal patterns for LLY — the calendar windows where Lilly (Eli) 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.
LLY seasonality at a glance
Over the last 10 years, LLY's strongest seasonal window has been Oct 2 – Oct 12: it ended higher in 10 of 10 years (100% win rate) with an average return of +3.18% across a 10-day hold. On the weak side, LLY has historically declined between Sep 7 – Sep 27, falling in 8 of 10 years (average -1.40%).
In total, our analysis finds 740 recurring seasonal windows for Lilly (Eli) — 699 bullish and 41 bearish. The next high-win-rate window, Aug 29 – Sep 8, opens in 33 days. These figures describe historical behaviour only — not a forecast.
LLY'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 | +2.09% | 80% | +6.14% |
| Completedended 4d ago | Jun 23 – Jul 23 | 30d | +3.11% | 80% | +7.12% |
| Upcomingin 33d | Aug 29 – Sep 8 | 10d | +1.43% | 80% | — |
| Upcomingin 42d | Sep 7 – Sep 27 | 20d | -1.40% | 80% | — |
| Upcomingin 46d | Sep 11 – Oct 11 | 30d | +2.76% | 80% | — |
| Upcomingin 48d | Sep 13 – Oct 13 | 30d | +2.85% | 80% | — |
| Upcomingin 49d | Sep 14 – Oct 14 | 30d | +2.66% | 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 LLY seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
LLY seasonality FAQ
What has historically been the best month to buy LLY stock?
Based on the last 10 years of price data, LLY's strongest seasonal window starts in October: Oct 2 to Oct 12, which ended higher in 10 of 10 years (100% win rate) with an average return of +3.18%. Past seasonal patterns do not guarantee future performance.
What is LLY's strongest seasonal pattern?
LLY's highest-win-rate pattern in our data is the Oct 2 – Oct 12 window (10-day hold): up in 10 of the last 10 years with an average move of +3.18%.
When has LLY historically performed worst?
LLY's weakest recurring window has been Sep 7 to Sep 27, declining in 8 of 10 years with an average return of -1.40%.
How reliable are LLY's seasonal patterns?
Each LLY pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. LLY currently shows 740 recurring windows (699 bullish, 41 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is LLY stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Lilly (Eli)'s price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where LLY 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.