KMX's PEG ratio cannot be computed because the earnings growth data is negative or zero. Historical data from November 2025 shows Carmax with a PEG ratio of 4.1.
Carmax's ten years historical PEG ratio averages out to 1.45. KMX hit its maximum PEG ratio of 4.1 during the Nov 2025 quarter over the last ten years. The May 2021 quarter marked the lowest reading at 0.18, indicating the most attractive growth-adjusted valuation.
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| 2026 | N/A | 25.7 | -47.8% |
| 2025 | 4.09 | 25.77 | 6.3% |
| 2024 | N/A | 26.07 | -0.7% |
| 2023 | N/A | 22.64 | -57% |
| 2022 | 0.28 | 15.42 | 54.8% |
| 2021 | N/A | 26.09 | -15% |
| 2020 | 1.4 | 16.2 | 11.6% |
| 2019 | 0.39 | 12.86 | 32.7% |
| 2018 | 1.6 | 17.01 | 10.6% |
| 2017 | 2.73 | 19.62 | 7.2% |
| 2016 | 1.4 | 15.07 | 10.8% |
| 2015 | 0.94 | 24.23 | 25.9% |
| 2014 | 1.39 | 22.01 | 15.8% |
| 2013 | 5.32 | 20.22 | 3.8% |
| 2012 | 1.88 | 16.77 | 8.9% |
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| Feb 2026 | N/A | 25.7 | -47.8% |
| Nov 2025 | 4.1 | 12.72 | 3.1% |
| Aug 2025 | 0.63 | 17.94 | 28.6% |
| May 2025 | 0.42 | 17.76 | 41.8% |
| Feb 2025 | 4.09 | 25.77 | 6.3% |
| Nov 2024 | N/A | 28.46 | -6.3% |
| Aug 2024 | N/A | 31.79 | -7.3% |
| May 2024 | N/A | 27.45 | -12% |
| Feb 2024 | N/A | 26.07 | -0.7% |
| Nov 2023 | N/A | 20.3 | -12.5% |
| Aug 2023 | N/A | 28.46 | -42.8% |
| May 2023 | N/A | 24.81 | -51.3% |
| Feb 2023 | N/A | 22.64 | -57% |
| Nov 2022 | N/A | 19.27 | -51.2% |
| Aug 2022 | N/A | 17.62 | -29.9% |
| Stock name | PEG ratio | Market cap |
|---|---|---|
| AN Autonation Inc | 1.08 | $6.43B |
| CPRT Copart Inc | 3.54 | $27.64B |
| PAG Penske Automotive Group Inc | N/A | $11.62B |
| GPI Group 1 Automotive Inc | N/A | $3.79B |
| OPLN Openlane Inc. | N/A | $4.08B |
| CRMT Americas Carmart Inc | N/A | $31.05M |
| RUSHA Rush Enterprises Inc | N/A | $5.41B |
| KMX Carmax Inc | N/A | $7.34B |
KMX's PEG ratio cannot be computed because EPS growth data is negative or not present.
KMX shows a 5-year average PEG ratio of 1.44.
The Nov 2025 quarter marked the ten years high at 4.1 for KMX's PEG ratio.
All PEG ratio stats are based on quarterly TTM periods, unless otherwise specified.