The at-the-money implied volatility for CarMax Inc (KMX) options expiring Nov 20, 2026 (8 DTE) is 45.4%.
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Implied Volatility Stats
Showing results for 2026-11-20(m), calls & puts
| Expiration Date | Avg IV |
|---|---|
| 2026-11-20(m) calls | 49.35% |
| 2026-11-20(m) puts | 44.94% |
KMX Volatility Skew FAQ
What is volatility skew?
Volatility skew is the difference in implied volatility between options at different strike prices. A steeper skew means traders are paying more for options on one side, usually downside puts used as protection.
What is KMX's one-year implied volatility range?
Over the past year, CarMax 30-day implied volatility ranged from 36.5% on Dec 22, 2025 to 179.2% on Jan 16, 2026.
How has KMX implied volatility changed recently?
CarMax 30-day implied volatility went from 45.3% on Oct 14, 2026 to 56.1% on Nov 11, 2026. See the KMX implied volatility history for a longer view.
What is CarMax Inc?
CarMax sells, finances, and services used and new cars through a chain of over 255 retail stores.