Carmax (KMX) Operating Margin (2009 - 2026)
Carmax (KMX) posted Operating Margin of 2.17% for fiscal Q2 2027 (quarter ended Aug 31, 2026), up 0.40 percentage points from 1.77% a year earlier but down 0.57 percentage points from the prior quarter.
Carmax (KMX) Operating Margin (2009 - 2026) Analysis & Trends
For the trailing twelve months through Aug 31, 2026, Operating Margin at Carmax was 1.42%, down 0.51 percentage points year-over-year; for FY2026 (ended Feb 28, 2026), it was 0.13%, down 0.53 percentage points from FY2025.
- Annual Operating Margin shows a five-year change of -2.40 percentage points (FY2021 to FY2026).
- In prior fiscal years, Carmax's Operating Margin was 0.66% in FY2025 (+0.04 pp), 0.62% in FY2024 (+0.39 pp), 0.23% in FY2023 (-2.11 pp) and 2.34% in FY2022 (-0.19 pp).
- Quarterly Operating Margin has run from a low of -0.23% in fiscal Q3 2023 to a high of 3.35% in fiscal Q1 2024 over five years.
- On a year-over-year basis, Operating Margin increased in four of the last eight quarters, with an average year-over-year change of -0.04 percentage points.
- The strongest year-over-year quarter for Operating Margin in the past five years was fiscal Q3 2024, with a gain of 1.09 percentage points; the weakest was fiscal Q3 2023, with a drop of 3.29 percentage points.
- According to Business Quant data, Operating Margin for the three prior fiscal quarters was 2.74% (Q1 2027), -0.10% (Q4 2026) and 0.15% (Q3 2026).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Operating Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | Amazon Com | 2,826.22 Bn | 2,342.91 Bn | 104.83 Bn | 13.69% |
| 2 | Home Depot | 312.87 Bn | 306.11 Bn | 16.12 Bn | 14.29% |
| 3 | Tjx Companies | 162.20 Bn | 139.75 Bn | 5.07 Bn | 13.09% |
| 4 | Lowes Companies | 110.98 Bn | 103.94 Bn | 8.58 Bn | 13.67% |
| 5 | Ross Stores | 75.30 Bn | 58.23 Bn | 2.12 Bn | 17.62% |
| 6 | O Reilly Automotive | 74.25 Bn | 73.33 Bn | 2.52 Bn | 20.15% |
| 7 | Target | 70.03 Bn | 64.62 Bn | 8.94 Bn | 9.65% |
| 8 | Autozone | 52.03 Bn | 50.93 Bn | 2.52 Bn | 19.08% |
| 9 | Carvana | 43.27 Bn | 33.76 Bn | 1.38 Bn | 9.22% |
| 10 | Carmax | 7.63 Bn | 7.00 Bn | 799.46 Mn | 2.17% |
Historic Data
| Date | Value |
|---|---|
| Aug 31, 2026 | 2.17% |
| May 31, 2026 | 2.74% |
| Feb 28, 2026 | -0.10% |
| Nov 30, 2025 | 0.15% |
| Aug 31, 2025 | 1.77% |
| May 31, 2025 | 3.10% |
| Feb 28, 2025 | 0.96% |
| Nov 30, 2024 | 1.64% |
| Aug 31, 2024 | 2.14% |
| May 31, 2024 | 2.16% |
| Feb 29, 2024 | 0.09% |
| Nov 30, 2023 | 0.86% |
| Aug 31, 2023 | 1.57% |
| May 31, 2023 | 3.35% |
| Feb 28, 2023 | 0.67% |
| Nov 30, 2022 | -0.23% |
| Aug 31, 2022 | 0.87% |
| May 31, 2022 | 2.35% |
| Feb 28, 2022 | 1.17% |
| Nov 30, 2021 | 3.06% |
Carmax Operating Margin API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=operating-margin&ticker=KMX&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "operating-margin", "ticker": "KMX", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=operating-margin&ticker=KMX&period=max&api_key=YOUR_API_KEY");
const data = await res.json();