Air Canada (AC.TO) Seasonality

Recurring seasonal patterns for AC.TO — the calendar windows where Air Canada 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.

Patterns found
814
Upcoming this year
63
Bullish windows
509
Best win rate
90%

AC.TO seasonality at a glance

Over the last 10 years, AC.TO's strongest seasonal window has been Oct 26 – Nov 25: it ended higher in 9 of 10 years (90% win rate) with an average return of +11.13% across a 30-day hold. On the weak side, AC.TO has historically declined between Jan 12 – Jan 22, falling in 9 of 10 years (average -4.01%).

In total, our analysis finds 814 recurring seasonal windows for Air Canada509 bullish and 305 bearish. The next high-win-rate window, Sep 25 – Oct 5, opens in 14 days. These figures describe historical behaviour only — not a forecast.

AC.TO's upcoming & recent seasonal patterns

Holding period:10-day20-day30-day

Ordered by season — windows opening soon first, plus a couple of recently completed high-performers. Holding-period colors help you compare durations at a glance.

StatusSeasonal windowHoldAvg returnWin rateThis year
Completedended 10d agoAug 2 – Sep 130d+4.45%80%+10.60%
Completedended 28d agoAug 4 – Aug 1410d+2.55%80%+11.72%
Upcomingin 14dSep 25 – Oct 510d+2.57%80%
Upcomingin 29dOct 10 – Nov 930d+8.32%80%
Upcomingin 30dOct 11 – Nov 1030d+7.79%80%
Upcomingin 31dOct 12 – Nov 1130d+7.29%80%
Upcomingin 32dOct 13 – Nov 1230d+7.91%90%

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 AC.TO seasonality in full

See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.

AC.TO seasonality FAQ

What has historically been the best month to buy AC.TO stock?

Based on the last 10 years of price data, AC.TO's strongest seasonal window starts in October: Oct 26 to Nov 25, which ended higher in 9 of 10 years (90% win rate) with an average return of +11.13%. Past seasonal patterns do not guarantee future performance.

What is AC.TO's strongest seasonal pattern?

AC.TO's highest-win-rate pattern in our data is the Oct 26 – Nov 25 window (30-day hold): up in 9 of the last 10 years with an average move of +11.13%.

When has AC.TO historically performed worst?

AC.TO's weakest recurring window has been Jan 12 to Jan 22, declining in 9 of 10 years with an average return of -4.01%.

How reliable are AC.TO's seasonal patterns?

Each AC.TO pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. AC.TO currently shows 814 recurring windows (509 bullish, 305 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.

What is AC.TO stock seasonality?

Seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Air Canada's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where AC.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.

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