Retail unit sales and comparable-store unit growth show demand, average selling price shows transaction value, used-vehicle gross profit per unit shows front-end merchandising margin, and SG&A per total unit plus SG&A as a percent of gross profit show how transaction economics convert through the retailer's overhead base.
Listing facts
- SEC issuer name
- CARMAX INC
- Ticker
- KMX
- Exchange
- NYSE
- Instrument family
- Ordinary share
- SEC issuer CIK
- 0001170010
- Listing source refreshed
- 2026-09-13
- Reviewed security class
- Common Stock
IEX reference history
Recent completed-session IEX reference closes for this current listing. The chart shows raw, unadjusted single-exchange observations rather than a consolidated U.S. market close.
Screened reference metrics
These percentage measures use the same qualified observation window and normalize only explicitly registered positive split events. They are reference metrics, not total returns or benchmark-relative performance.
Window return
-5.22%
Aug 20, 2026–Sep 21, 2026
Range width
12.26%
Screened closing-price range
Latest range position
8.99%
Position within screened close range
Average close vs. start
0.21%
Average screened close relative to starting close
About this market data
IEX historical data reflects IEX activity only and is presented as a source-scoped reference point, not as consolidated U.S. market history.
Screened reference metrics use K9-qualified IEX reference history and only explicitly registered positive split events. They do not assert complete split history, consolidated U.S. market performance, or canonical adjusted prices.
Data provided for free by IEX. By accessing or using IEX Historical Data, you agree to the IEX Historical Data Terms of Use.
The raw chart can show a discontinuity around a stock split because it is intentionally unadjusted. The screened metrics use only explicitly registered positive split events and do not assert complete split history.