Constellation Energy (CEG) Seasonality
Recurring seasonal patterns for CEG — the calendar windows where Constellation 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 4 years of price history. Constellation Energy has less than 10 years of trading history, so these patterns use all 4 available years.
CEG seasonality at a glance
Over the last 4 years, CEG's strongest seasonal window has been Sep 6 – Oct 6: it ended higher in 4 of 4 years (100% win rate) with an average return of +23.47% across a 30-day hold. On the weak side, CEG has historically declined between Dec 1 – Dec 31, falling in 3 of 3 years (average -8.01%).
In total, our analysis finds 916 recurring seasonal windows for Constellation Energy — 683 bullish and 233 bearish. The next high-win-rate window, Jul 28 – Aug 7, opens tomorrow. These figures describe historical behaviour only — not a forecast.
CEG'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 12d ago | Jul 5 – Jul 15 | 10d | +1.78% | 100% | +7.89% |
| Completedended 13d ago | Jul 4 – Jul 14 | 10d | +3.04% | 100% | +7.18% |
| Active10d left | Jul 27 – Aug 6 | 10d | +12.39% | 100% | — |
| Upcomingtomorrow | Jul 28 – Aug 7 | 10d | +7.10% | 100% | — |
| Upcomingin 2d | Jul 29 – Aug 8 | 10d | +8.55% | 100% | — |
| Upcomingin 19d | Aug 15 – Sep 14 | 30d | +4.43% | 100% | — |
| Upcomingin 20d | Aug 16 – Sep 15 | 30d | +4.26% | 100% | — |
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 CEG seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
CEG seasonality FAQ
What has historically been the best month to buy CEG stock?
Based on the last 4 years of price data, CEG's strongest seasonal window starts in September: Sep 6 to Oct 6, which ended higher in 4 of 4 years (100% win rate) with an average return of +23.47%. Past seasonal patterns do not guarantee future performance.
What is CEG's strongest seasonal pattern?
CEG's highest-win-rate pattern in our data is the Sep 6 – Oct 6 window (30-day hold): up in 4 of the last 4 years with an average move of +23.47%.
When has CEG historically performed worst?
CEG's weakest recurring window has been Dec 1 to Dec 31, declining in 3 of 3 years with an average return of -8.01%.
How reliable are CEG's seasonal patterns?
Each CEG pattern is scored by its historical win rate — the share of the last 4 years it repeated in the same direction. CEG currently shows 916 recurring windows (683 bullish, 233 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is CEG stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Constellation Energy's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where CEG 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.