CMS Energy (CMS) Seasonality
Recurring seasonal patterns for CMS — the calendar windows where CMS 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.
CMS seasonality at a glance
Over the last 10 years, CMS's strongest seasonal window has been Feb 28 – Mar 30: it ended higher in 10 of 10 years (100% win rate) with an average return of +5.09% across a 30-day hold. On the weak side, CMS has historically declined between Sep 3 – Oct 3, falling in 8 of 10 years (average -2.97%).
In total, our analysis finds 493 recurring seasonal windows for CMS Energy — 397 bullish and 96 bearish. The next high-win-rate window, Sep 3 – Oct 3, opens in 38 days. These figures describe historical behaviour only — not a forecast.
CMS'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 5d ago | Jun 22 – Jul 22 | 30d | +3.81% | 80% | +0.24% |
| Completedended 9d ago | Jun 18 – Jul 18 | 30d | +3.04% | 80% | +0.37% |
| Upcomingin 38d | Sep 3 – Oct 3 | 30d | -2.97% | 80% | — |
| Upcomingin 69d | Oct 4 – Oct 24 | 20d | +1.54% | 80% | — |
| Upcomingin 73d | Oct 8 – Oct 28 | 20d | +1.24% | 80% | — |
| Upcomingin 74d | Oct 9 – Oct 19 | 10d | +1.17% | 90% | — |
| Upcomingin 76d | Oct 11 – Oct 21 | 10d | +1.03% | 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 CMS seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
CMS seasonality FAQ
What has historically been the best month to buy CMS stock?
Based on the last 10 years of price data, CMS's strongest seasonal window starts in February: Feb 28 to Mar 30, which ended higher in 10 of 10 years (100% win rate) with an average return of +5.09%. Past seasonal patterns do not guarantee future performance.
What is CMS's strongest seasonal pattern?
CMS's highest-win-rate pattern in our data is the Feb 28 – Mar 30 window (30-day hold): up in 10 of the last 10 years with an average move of +5.09%.
When has CMS historically performed worst?
CMS's weakest recurring window has been Sep 3 to Oct 3, declining in 8 of 10 years with an average return of -2.97%.
How reliable are CMS's seasonal patterns?
Each CMS pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. CMS currently shows 493 recurring windows (397 bullish, 96 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is CMS stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing CMS Energy's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where CMS 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.