Southwest Gas Corp (SWX) Seasonality
Recurring seasonal patterns for SWX — the calendar windows where Southwest Gas Corp 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.
SWX seasonality at a glance
Over the last 10 years, SWX'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 +4.83% across a 30-day hold. On the weak side, SWX has historically declined between Jul 26 – Aug 25, falling in 9 of 10 years (average -3.31%).
In total, our analysis finds 652 recurring seasonal windows for Southwest Gas Corp — 430 bullish and 222 bearish. The next high-win-rate window, Jul 29 – Aug 28, opens in 2 days. These figures describe historical behaviour only — not a forecast.
SWX'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 | Jul 4 – Jul 24 | 20d | +2.79% | 80% | +3.56% |
| Completedended 4d ago | Jul 3 – Jul 23 | 20d | +3.28% | 80% | +3.56% |
| Active30d left | Jul 27 – Aug 26 | 30d | -2.89% | 90% | — |
| Upcomingin 2d | Jul 29 – Aug 28 | 30d | -2.98% | 80% | — |
| Upcomingin 5d | Aug 1 – Aug 21 | 20d | -1.98% | 80% | — |
| Upcomingin 10d | Aug 6 – Aug 16 | 10d | +1.31% | 80% | — |
| Upcomingin 18d | Aug 14 – Aug 24 | 10d | -1.31% | 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 SWX seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
SWX seasonality FAQ
What has historically been the best month to buy SWX stock?
Based on the last 10 years of price data, SWX'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 +4.83%. Past seasonal patterns do not guarantee future performance.
What is SWX's strongest seasonal pattern?
SWX'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 +4.83%.
When has SWX historically performed worst?
SWX's weakest recurring window has been Jul 26 to Aug 25, declining in 9 of 10 years with an average return of -3.31%.
How reliable are SWX's seasonal patterns?
Each SWX pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. SWX currently shows 652 recurring windows (430 bullish, 222 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is SWX stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Southwest Gas Corp's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where SWX 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.