ASX (ASX.AX) Seasonality

Recurring seasonal patterns for ASX.AX — the calendar windows where ASX 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
494
Upcoming this year
79
Bullish windows
330
Best win rate
100%

ASX.AX seasonality at a glance

Over the last 10 years, ASX.AX's strongest seasonal window has been Apr 3 – May 3: it ended higher in 9 of 10 years (90% win rate) with an average return of +5.16% across a 30-day hold. On the weak side, ASX.AX has historically declined between Sep 3 – Sep 13, falling in 10 of 10 years (average -2.97%).

In total, our analysis finds 494 recurring seasonal windows for ASX330 bullish and 164 bearish. The next high-win-rate window, Aug 13 – Sep 12, opens in 17 days. These figures describe historical behaviour only — not a forecast.

ASX.AX'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 6d agoJul 11 – Jul 2110d+1.49%80%+5.20%
Completedended 6d agoJun 21 – Jul 2130d+3.99%80%+9.63%
Upcomingin 17dAug 13 – Sep 1230d-2.37%80%
Upcomingin 20dAug 16 – Sep 1530d-2.85%80%
Upcomingin 21dAug 17 – Sep 1630d-2.59%80%
Upcomingin 22dAug 18 – Sep 1730d-2.13%80%
Upcomingin 24dAug 20 – Sep 920d-2.74%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 ASX.AX seasonality in full

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

ASX.AX seasonality FAQ

What has historically been the best month to buy ASX.AX stock?

Based on the last 10 years of price data, ASX.AX's strongest seasonal window starts in April: Apr 3 to May 3, which ended higher in 9 of 10 years (90% win rate) with an average return of +5.16%. Past seasonal patterns do not guarantee future performance.

What is ASX.AX's strongest seasonal pattern?

ASX.AX's highest-win-rate pattern in our data is the Apr 3 – May 3 window (30-day hold): up in 9 of the last 10 years with an average move of +5.16%.

When has ASX.AX historically performed worst?

ASX.AX's weakest recurring window has been Sep 3 to Sep 13, declining in 10 of 10 years with an average return of -2.97%.

How reliable are ASX.AX's seasonal patterns?

Each ASX.AX pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. ASX.AX currently shows 494 recurring windows (330 bullish, 164 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.

What is ASX.AX stock seasonality?

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