Carmax market cap KMX
Share price times shares outstanding: what the whole company sells for, since 2010.
- Today, Oct 23, 2026
- $7.3B
- Highest close in our data
- $25.1B
- Nov 2021
Carmax is worth $7.3B at the close on Oct 23, 2026, at $51.55 a share.
That is up 13% over the last year and down 67% over five years.
Its highest close in our data was $25.1B in Nov 2021.
Market cap over time
Year by year
| Year | End of year | Low | High | Change |
|---|---|---|---|---|
| 2026 so far | $7.3B | $5.2B | $9B | +31% |
| 2025 | $5.6B | $4.8B | $13.7B | −57% |
| 2024 | $13B | $10.8B | $13.8B | +7% |
| 2023 | $12.2B | $8.9B | $13.6B | +27% |
| 2022 | $9.6B | $8.8B | $19.6B | −54% |
| 2021 | $21.1B | $16.6B | $25.1B | +36% |
| 2020 | $15.5B | $7.2B | $17.5B | +7% |
| 2019 | $14.5B | $9.9B | $16.1B | +33% |
| 2018 | $10.9B | $10.3B | $14.3B | −7% |
| 2017 | $11.7B | $10.4B | $14B | −5% |
| 2016 | $12.3B | $8.5B | $12.3B | +12% |
| 2015 | $10.9B | $10.8B | $15.7B | −25% |
| 2014 | $14.6B | $9.5B | $14.6B | +39% |
| 2013 | $10.5B | $8.6B | $11.4B | +25% |
| 2012 | $8.4B | $5.8B | $8.6B | +22% |
| 2011 | $6.9B | $5.4B | $8.3B | −4% |
| 2010 | $7.2B | $6.6B | $8B | n/a |
Against its peers
Companies in Auto - Dealerships nearest Carmax's size, closest first, today.
| Company | Market cap |
|---|---|
| KMXCarmax | $7.3B |
| LADLithia Motors | $6.5B |
| MUSAMurphy USA | $9.8B |
| ANAutonation | $5.3B |
| RUSHARush Enterprises | $5.2B |
| RRyder System | $10.4B |
| PAGPenske Automotive | $13.9B |
| ABGAsbury Automotive | $3.1B |
| GPIGroup 1 Automotive | $2.9B |
| SAHSonic Automotive | $1.9B |
| DRVNDriven Brands | $1.9B |
| Peer median | $5.3B |
What the market cap tells you
Share price times shares outstanding: what the whole company sells for today.
Size, not quality. Large caps move slower and are covered more. That is all it tells you.
More on Carmax
Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.