Suncor Energy (SU.TO) Seasonality
Recurring seasonal patterns for SU.TO — the calendar windows where Suncor 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.
SU.TO seasonality at a glance
Over the last 10 years, SU.TO's strongest seasonal window has been Oct 25 – Nov 14: it ended higher in 10 of 10 years (100% win rate) with an average return of +6.23% across a 20-day hold. On the weak side, SU.TO has historically declined between Jun 7 – Jun 17, falling in 8 of 10 years (average -3.83%).
In total, our analysis finds 773 recurring seasonal windows for Suncor Energy — 499 bullish and 274 bearish. The next high-win-rate window, Aug 8 – Aug 28, opens in 12 days. These figures describe historical behaviour only — not a forecast.
SU.TO'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 25d ago | Jun 2 – Jul 2 | 30d | -2.90% | 80% | -13.11% |
| Completedended 26d ago | Jun 11 – Jul 1 | 20d | -3.46% | 80% | -11.63% |
| Upcomingin 12d | Aug 8 – Aug 28 | 20d | +2.36% | 80% | — |
| Upcomingin 13d | Aug 9 – Aug 29 | 20d | +2.98% | 90% | — |
| Upcomingin 25d | Aug 21 – Aug 31 | 10d | +1.89% | 80% | — |
| Upcomingin 73d | Oct 8 – Nov 7 | 30d | +3.49% | 80% | — |
| Upcomingin 80d | Oct 15 – Nov 14 | 30d | +7.14% | 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 SU.TO seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
SU.TO seasonality FAQ
What has historically been the best month to buy SU.TO stock?
Based on the last 10 years of price data, SU.TO's strongest seasonal window starts in October: Oct 25 to Nov 14, which ended higher in 10 of 10 years (100% win rate) with an average return of +6.23%. Past seasonal patterns do not guarantee future performance.
What is SU.TO's strongest seasonal pattern?
SU.TO's highest-win-rate pattern in our data is the Oct 25 – Nov 14 window (20-day hold): up in 10 of the last 10 years with an average move of +6.23%.
When has SU.TO historically performed worst?
SU.TO's weakest recurring window has been Jun 7 to Jun 17, declining in 8 of 10 years with an average return of -3.83%.
How reliable are SU.TO's seasonal patterns?
Each SU.TO pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. SU.TO currently shows 773 recurring windows (499 bullish, 274 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is SU.TO stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Suncor Energy's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where SU.TO 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.