AN vs GPI: Correlation
How closely do AutoNation, Inc. (AN) and Group 1 Automotive, Inc. (GPI) trade together? Their weekly returns over three years give a correlation of 0.74, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AN and GPI?
Across a 3-year window, the weekly returns of AN and GPI correlate at 0.74, strong. The past 12 months show a weaker link (0.61) than the 3-year average (0.74). Stretching to 5 years gives 0.77, with an annualized covariance of 675.3 %².
In AN's tracked universe of 13 assets, GPI sits right near the top at #2. Correlation aside, the last 12 months split them widely, with AN ahead by 34.3 points (-10.5% versus -44.8%).
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.
AN vs GPI: side by side
| AN (AutoNation, Inc.) | GPI (Group 1 Automotive, Inc.) | |
|---|---|---|
| 1-year return | -10.5% | -44.8% |
| 5-year return | +79.8% | +64.3% |
| Volatility (ann.) | 28.5% | 31.9% |
| Beta vs S&P 500 | 0.84 | 0.68 |
| Max drawdown (3Y) | -21.4% | -48.6% |
| Market cap | $6.6B | $3.1B |
| P/E (trailing) | 9.1 | 10.8 |
| Dividend yield | 0.00% | 0.04% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AN | GPI |
|---|---|---|
| 2022 | -8.2% | -6.9% |
| 2023 | +40.0% | +70.2% |
| 2024 | +13.1% | +39.1% |
| 2025 | +21.6% | -6.3% |
| 2026 | -3.7% | -33.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AN and GPI good diversifiers for each other?
Somewhat, no more. With 0.74 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between AN and GPI?
The AN/GPI correlation stands at 0.74 on a 3-year window (1 year: 0.61, 5 years: 0.77), computed from weekly returns as of 2026-08-27.
Is GPI a good diversifier for AN?
Somewhat, no more. With 0.74 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.74 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/an-vs-gpi.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/an-vs-gpi/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: AN correlations · GPI correlations
