Eversource Energy (ES) Seasonality
Recurring seasonal patterns for ES — the calendar windows where Eversource Energy 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.
ES seasonality at a glance
Over the last 10 years, ES's strongest seasonal window has been Jun 26 – Jul 26: it ended higher in 9 of 10 years (90% win rate) with an average return of +4.64% across a 30-day hold. On the weak side, ES has historically declined between Jun 7 – Jun 27, falling in 8 of 10 years (average -1.20%).
In total, our analysis finds 433 recurring seasonal windows for Eversource Energy — 320 bullish and 113 bearish. The next high-win-rate window, Oct 4 – Oct 24, opens in 69 days. These figures describe historical behaviour only — not a forecast.
ES'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 | +4.08% | 80% | +4.06% |
| Completedended 4d ago | Jun 23 – Jul 23 | 30d | +4.42% | 80% | +5.05% |
| Upcomingin 69d | Oct 4 – Oct 24 | 20d | +1.04% | 80% | — |
| Upcomingin 77d | Oct 12 – Oct 22 | 10d | +1.16% | 80% | — |
| Upcomingin 79d | Oct 14 – Oct 24 | 10d | +1.76% | 80% | — |
| Upcomingin 80d | Oct 15 – Oct 25 | 10d | +1.37% | 80% | — |
| Upcomingin 115d | Nov 19 – Nov 29 | 10d | +1.66% | 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 ES seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
ES seasonality FAQ
What has historically been the best month to buy ES stock?
Based on the last 10 years of price data, ES's strongest seasonal window starts in June: Jun 26 to Jul 26, which ended higher in 9 of 10 years (90% win rate) with an average return of +4.64%. Past seasonal patterns do not guarantee future performance.
What is ES's strongest seasonal pattern?
ES's highest-win-rate pattern in our data is the Jun 26 – Jul 26 window (30-day hold): up in 9 of the last 10 years with an average move of +4.64%.
When has ES historically performed worst?
ES's weakest recurring window has been Jun 7 to Jun 27, declining in 8 of 10 years with an average return of -1.20%.
How reliable are ES's seasonal patterns?
Each ES pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. ES currently shows 433 recurring windows (320 bullish, 113 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is ES stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Eversource Energy's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where ES 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.