CarMax Inc (NYSE:KMX) — Market Cap & Net Worth

$6.81 Billion USD  · Rank #2951

Market Cap & Net Worth: CarMax Inc (KMX)

CarMax Inc (NYSE:KMX) has a market capitalization of $6.81 Billion ($6.81 Billion) as of September 23, 2026. Listed on the NYSE stock exchange, this USA-based company holds position #2951 globally and #1043 in its home market, demonstrating a -7.86% decrease in market value over the past year.

Market capitalization, also known as net worth in stock markets, is calculated by multiplying CarMax Inc's stock price $56.84 by its total outstanding shares 141820715 (141.82 Million). Also see KMX current and non-current assets for a full breakdown of the balance sheet.

CarMax Inc Market Cap History: 2015 to 2026

CarMax Inc's market capitalization history from 2015 to 2026. Data shows change from $7.65 Billion to $8.06 Billion (0.00% CAGR). Also see KMX cash flow conversion for how efficiently the company converts equity into cash flow.

Index Memberships

CarMax Inc is a constituent of 2 market indices:

Index Total Market Cap Weight (%) Rank by Market Cap
S&P 500 Index
GSPC
$63.30 Trillion 0.02% #485 of 503
S&P RETAIL SELECT INDUST
SPSIRE
$4.90 Trillion 1.31% #28 of 76

Weight: CarMax Inc's market cap as a percentage of total index value. Rank: Position among all constituents by market cap.

CarMax Inc Market Cap to Earnings & Revenue Ratios Timeline

This chart shows how CarMax Inc's valuation ratios have evolved. The Price to Sales (P/S) ratio compares market cap to revenue, while the Price to Earnings (P/E) ratio compares market cap to net income. Lower values may indicate a more undervalued company relative to its financial performance. Check CarMax Inc (KMX) share price today for real-time trading data and today's change.

Latest Price to Sales (P/S) Ratio

0.31x

CarMax Inc's market cap is 0.31 times its annual revenue

Industry average: 0.55x Lower than industry average

Latest Price to Earnings (P/E) Ratio

32.60x

CarMax Inc's market cap is 32.60 times its annual earnings

Industry average: 21.00x Higher than industry average

What These Ratios Tell Investors:

  • Price to Sales (P/S) Ratio: Shows how much investors are paying for each dollar of the company's sales. Lower P/S ratios may indicate undervaluation.
  • Price to Earnings (P/E) Ratio: Shows how much investors are paying for each dollar of the company's earnings. This is one of the most common valuation metrics.
  • Trends in these ratios over time can indicate changing investor sentiment about the company's future growth prospects.
  • Industry comparison provides context for whether the company is valued higher or lower than peers.
Year Market Cap (USD) Revenue (USD) Net Income (USD) P/S Ratio P/E Ratio
2017 $9.09 Billion $15.88 Billion $626.97 Million 0.57x 14.51x
2018 $8.90 Billion $17.12 Billion $664.11 Million 0.52x 13.40x
2019 $12.43 Billion $18.17 Billion $842.41 Million 0.68x 14.76x
2020 $13.40 Billion $20.32 Billion $888.43 Million 0.66x 15.08x
2021 $18.47 Billion $18.95 Billion $746.92 Million 0.97x 24.73x
2022 $8.64 Billion $31.90 Billion $1.15 Billion 0.27x 7.50x
2023 $10.88 Billion $29.68 Billion $484.76 Million 0.37x 22.45x
2024 $11.60 Billion $26.54 Billion $479.20 Million 0.44x 24.20x
2025 $5.48 Billion $26.35 Billion $500.56 Million 0.21x 10.95x
2026 $8.06 Billion $25.88 Billion $247.29 Million 0.31x 32.60x

Competitor Companies of KMX by Market Capitalization

Companies near CarMax Inc in the global market cap rankings as of September 23, 2026. Review how tangible is CarMax Inc's equity to assess the quality of the company's equity after excluding intangible assets.

Key companies related to CarMax Inc by market ranking:

  • Carvana Co (NYSE:CVNA): Ranked #580 globally with a market cap of $47.02 Billion USD.
  • Penske Automotive Group Inc (NYSE:PAG): Ranked #1970 globally with a market cap of $11.90 Billion USD.
  • Lithia Motors Inc (NYSE:LAD): Ranked #3025 globally with a market cap of $6.54 Billion USD.
  • DIETEREN GR. UNSP.ADR 1/2 (F:DJD): Ranked #2049 globally with a market cap of $11.24 Billion USD ( €9.61 Billion EUR).
Market capitalization comparison (in billions USD)
Rank Company Symbol Market Cap Price
#580 Carvana Co NYSE:CVNA $47.02 Billion $65.40
#1970 Penske Automotive Group Inc NYSE:PAG $11.90 Billion $209.86
#3025 Lithia Motors Inc NYSE:LAD $6.54 Billion $312.32
#2049 DIETEREN GR. UNSP.ADR 1/2 F:DJD $11.24 Billion €106.00

CarMax Inc Historical Marketcap From 2015 to 2026

Between 2015 and today, CarMax Inc's market cap moved from $7.65 Billion to $ 8.06 Billion, with a yearly change of 0.00%.

Year Market Cap Change (%)
2026 $8.06 Billion +47.10%
2025 $5.48 Billion -52.74%
2024 $11.60 Billion +6.54%
2023 $10.88 Billion +26.03%
2022 $8.64 Billion -53.24%
2021 $18.47 Billion +37.87%
2020 $13.40 Billion +7.74%
2019 $12.43 Billion +39.76%
2018 $8.90 Billion -2.18%
2017 $9.09 Billion -0.40%
2016 $9.13 Billion +19.31%
2015 $7.65 Billion --

End of Day Market Cap According to Different Sources

On Sep 23rd, 2026 the market cap of CarMax Inc was reported to be:

Source Market Cap
Yahoo Finance $6.81 Billion USD
MoneyControl $6.81 Billion USD
MarketWatch $6.81 Billion USD
marketcap.company $6.81 Billion USD
Reuters $6.81 Billion USD

Market cap values may vary slightly between sources due to differences in calculation methods, timing, and data refresh rates.

About CarMax Inc

NYSE:KMX USA Auto & Truck Dealerships
Market Cap
$8.06 Billion
Market Cap Rank
#2951 Global
#1043 in USA
Share Price
$56.84
Change (1 day)
-1.76%
52-Week Range
$30.88 - $64.22
All Time High
$154.85
About

CarMax, Inc., through its subsidiaries, operates as a retailer of used vehicles and related products in the United States. The company operates in two segments: CarMax Sales Operations and CarMax Auto Finance. The CarMax Sales Operations segment offers customers a range of makes and models of used vehicles, including domestic, imported, and luxury vehicles, as well as hybrid and electric vehicles… Read more