COST vs CPRT: Correlation
Measured on weekly returns over the past three years, Costco (COST) and Copart (CPRT) carry a correlation of 0.38, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are COST and CPRT?
On 3 years of weekly data the COST/CPRT correlation comes out at 0.38, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.27 versus 0.38 over 3 years. The 5-year figure is 0.44, and annualized covariance runs at 195.6 %².
Within COST's tracked universe of 33 assets, CPRT comes in at #13 by 3-year correlation. Correlation aside, the last 12 months split them widely, with COST ahead by 31.6 points (-1.0% versus -32.6%). On a rolling one-year basis the correlation drifted between 0.21 and 0.53, a moderate band.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
COST vs CPRT: side by side
| COST (Costco) | CPRT (Copart) | |
|---|---|---|
| 1-year return | -1.0% | -32.6% |
| 5-year return | +116.3% | -9.3% |
| Volatility (ann.) | 19.8% | 26.0% |
| Beta vs S&P 500 | 0.45 | 0.86 |
| Max drawdown (3Y) | -20.7% | -57.4% |
| Market cap | $414.5B | $30.3B |
| P/E (trailing) | 48.1 | 20.2 |
| Dividend yield | 0.56% | 0.00% |
| Sector / category | Consumer Staples | Industrials |
Year-by-year returns
| Year | COST | CPRT |
|---|---|---|
| 2022 | -19.0% | -19.7% |
| 2023 | +49.0% | +60.9% |
| 2024 | +39.6% | +17.1% |
| 2025 | -5.4% | -31.8% |
| 2026 | +8.9% | -16.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are COST and CPRT good diversifiers for each other?
A fair diversifier. At 0.38, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between COST and CPRT?
Using weekly returns as of 2026-08-27: 0.38 over 3 years, with 0.27 over the last year and 0.44 over 5 years.
Is CPRT a good diversifier for COST?
A fair diversifier. At 0.38, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.38 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/cost-vs-cprt.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/cost-vs-cprt/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: COST correlations · CPRT correlations
