CarMax, Inc. (KMX) Seasonality
Recurring seasonal patterns for KMX — the calendar windows where CarMax, Inc. 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.
KMX seasonality at a glance
Over the last 10 years, KMX's strongest seasonal window has been Jun 20 – Jul 20: it ended higher in 9 of 10 years (90% win rate) with an average return of +7.05% across a 30-day hold. On the weak side, KMX has historically declined between Sep 8 – Oct 8, falling in 9 of 10 years (average -10.60%).
In total, our analysis finds 820 recurring seasonal windows for CarMax, Inc. — 509 bullish and 311 bearish. The next high-win-rate window, Sep 12 – Oct 2, opens tomorrow. These figures describe historical behaviour only — not a forecast.
KMX'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 7d ago | Aug 5 – Sep 4 | 30d | +1.81% | 80% | +11.68% |
| Completedended 24d ago | Jul 29 – Aug 18 | 20d | -1.68% | 80% | -2.89% |
| Active30d left | Sep 11 – Oct 11 | 30d | -9.57% | 80% | — |
| Upcomingtomorrow | Sep 12 – Oct 2 | 20d | -8.19% | 90% | — |
| Upcomingtomorrow | Sep 12 – Oct 12 | 30d | -10.21% | 80% | — |
| Upcomingin 2d | Sep 13 – Oct 3 | 20d | -8.19% | 90% | — |
| Upcomingin 2d | Sep 13 – Oct 13 | 30d | -9.74% | 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 KMX seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
KMX seasonality FAQ
What has historically been the best month to buy KMX stock?
Based on the last 10 years of price data, KMX's strongest seasonal window starts in June: Jun 20 to Jul 20, which ended higher in 9 of 10 years (90% win rate) with an average return of +7.05%. Past seasonal patterns do not guarantee future performance.
What is KMX's strongest seasonal pattern?
KMX's highest-win-rate pattern in our data is the Jun 20 – Jul 20 window (30-day hold): up in 9 of the last 10 years with an average move of +7.05%.
When has KMX historically performed worst?
KMX's weakest recurring window has been Sep 8 to Oct 8, declining in 9 of 10 years with an average return of -10.60%.
How reliable are KMX's seasonal patterns?
Each KMX pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. KMX currently shows 820 recurring windows (509 bullish, 311 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is KMX stock seasonality?
Seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing CarMax, Inc.'s price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where KMX 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.