Carmax (KMX) options traded 438 contracts on October 28, 2026 (85 calls and 353 puts, a put/call ratio of 4.15), compared with a 30-day average of 3,011. Options price a move of about ±3.1% by the nearest expiration.

Key numbers

30-day implied volatility (IV30): 49.9%
Implied move by the nearest expiration: ±3.1%
Option volume: 438 contracts (85 calls, 353 puts); 30-day average 3,011

Data as of October 28, 2026.

KMX Option Breakdown

A breakdown of key statistics for each option expiration listed for KMX. View implied volatility, volatility skew, volume, open interest, straddle premiums, and liquidity -- including bid/ask spread and NBBO bid/ask sizes. Includes links to the option chain, as well as numerous detailed charts.

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