GFL Environmental (GFL.TO) Seasonality
Recurring seasonal patterns for GFL.TO — the calendar windows where GFL Environmental has historically tended to rise or fall, with the win rate (how often it repeated) and average return for each, based on the last 6 years of price history. GFL Environmental has less than 10 years of trading history, so these patterns use all 6 available years.
GFL.TO seasonality at a glance
Over the last 6 years, GFL.TO's strongest seasonal window has been Oct 27 – Nov 26: it ended higher in 6 of 6 years (100% win rate) with an average return of +10.92% across a 30-day hold. On the weak side, GFL.TO has historically declined between Jul 3 – Jul 13, falling in 6 of 6 years (average -2.90%).
In total, our analysis finds 750 recurring seasonal windows for GFL Environmental — 541 bullish and 209 bearish. The next high-win-rate window, Sep 14 – Sep 24, opens in 3 days. These figures describe historical behaviour only — not a forecast.
GFL.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 16d ago | Aug 6 – Aug 26 | 20d | -1.95% | 83% | -1.61% |
| Completedended 25d ago | Jul 18 – Aug 17 | 30d | +5.25% | 83% | +4.01% |
| Active10d left | Sep 11 – Sep 21 | 10d | -1.61% | 83% | — |
| Upcomingin 3d | Sep 14 – Sep 24 | 10d | -2.04% | 83% | — |
| Upcomingin 12d | Sep 23 – Oct 23 | 30d | +2.87% | 83% | — |
| Upcomingin 25d | Oct 6 – Oct 16 | 10d | -2.92% | 83% | — |
| Upcomingin 26d | Oct 7 – Nov 6 | 30d | -1.42% | 83% | — |
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 GFL.TO seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
GFL.TO seasonality FAQ
What has historically been the best month to buy GFL.TO stock?
Based on the last 6 years of price data, GFL.TO's strongest seasonal window starts in October: Oct 27 to Nov 26, which ended higher in 6 of 6 years (100% win rate) with an average return of +10.92%. Past seasonal patterns do not guarantee future performance.
What is GFL.TO's strongest seasonal pattern?
GFL.TO's highest-win-rate pattern in our data is the Oct 27 – Nov 26 window (30-day hold): up in 6 of the last 6 years with an average move of +10.92%.
When has GFL.TO historically performed worst?
GFL.TO's weakest recurring window has been Jul 3 to Jul 13, declining in 6 of 6 years with an average return of -2.90%.
How reliable are GFL.TO's seasonal patterns?
Each GFL.TO pattern is scored by its historical win rate — the share of the last 6 years it repeated in the same direction. GFL.TO currently shows 750 recurring windows (541 bullish, 209 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is GFL.TO stock seasonality?
Seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing GFL Environmental's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where GFL.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.