Southern Company (SO) Seasonality
Recurring seasonal patterns for SO — the calendar windows where Southern Company 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.
SO seasonality at a glance
Over the last 10 years, SO's strongest seasonal window has been Jul 20 – Jul 30: it ended higher in 10 of 10 years (100% win rate) with an average return of +1.83% across a 10-day hold. On the weak side, SO has historically declined between Aug 22 – Sep 1, falling in 9 of 10 years (average -1.03%).
In total, our analysis finds 435 recurring seasonal windows for Southern Company — 367 bullish and 68 bearish. The next high-win-rate window, Nov 6 – Nov 26, opens in 11 days. These figures describe historical behaviour only — not a forecast.
SO'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 | Oct 3 – Oct 23 | 20d | +2.24% | 80% | +10.95% |
| Completedended 4d ago | Oct 12 – Oct 22 | 10d | +1.99% | 80% | +7.79% |
| Upcomingin 11d | Nov 6 – Nov 26 | 20d | +1.08% | 80% | — |
| Upcomingin 13d | Nov 8 – Nov 28 | 20d | +1.26% | 90% | — |
| Active5d left | Oct 1 – Oct 31 | 30d | +1.80% | 80% | — |
| Activeends today | Oct 6 – Oct 26 | 20d | +2.07% | 80% | — |
| Active5d left | Oct 11 – Oct 31 | 20d | +1.27% | 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 SO seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
SO seasonality FAQ
What has historically been the best month to buy SO stock?
Based on the last 10 years of price data, SO's strongest seasonal window starts in July: Jul 20 to Jul 30, which ended higher in 10 of 10 years (100% win rate) with an average return of +1.83%. Past seasonal patterns do not guarantee future performance.
What is SO's strongest seasonal pattern?
SO's highest-win-rate pattern in our data is the Jul 20 – Jul 30 window (10-day hold): up in 10 of the last 10 years with an average move of +1.83%.
When has SO historically performed worst?
SO's weakest recurring window has been Aug 22 to Sep 1, declining in 9 of 10 years with an average return of -1.03%.
How reliable are SO's seasonal patterns?
Each SO pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. SO currently shows 435 recurring windows (367 bullish, 68 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is SO stock seasonality?
Seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Southern Company's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where SO 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.