AN vs ROST: Correlation
How closely do AutoNation, Inc. (AN) and Ross Stores (ROST) trade together? Their weekly returns over three years give a correlation of 0.42, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AN and ROST?
Across a 3-year window, the weekly returns of AN and ROST correlate at 0.42, moderate. The relationship has been stable: the 1-year correlation (0.48) sits close to the 3-year figure. Stretching to 5 years gives 0.39, with an annualized covariance of 289.7 %².
By 3-year correlation, ROST places #8 of the 13 assets tracked against AN. The last year tells two different stories: ROST led by 64.8 percentage points, -10.5% for AN against +54.3% for ROST.
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 ROST: side by side
| AN (AutoNation, Inc.) | ROST (Ross Stores) | |
|---|---|---|
| 1-year return | -10.5% | +54.3% |
| 5-year return | +79.8% | +105.0% |
| Volatility (ann.) | 28.5% | 24.0% |
| Beta vs S&P 500 | 0.84 | 0.66 |
| Max drawdown (3Y) | -21.4% | -21.1% |
| Market cap | $6.6B | $73.7B |
| P/E (trailing) | 9.1 | 27.8 |
| Dividend yield | 0.00% | 0.72% |
| Sector / category | US Listed | Consumer Discretionary |
Year-by-year returns
| Year | AN | ROST |
|---|---|---|
| 2022 | -8.2% | +2.9% |
| 2023 | +40.0% | +20.6% |
| 2024 | +13.1% | +10.4% |
| 2025 | +21.6% | +20.4% |
| 2026 | -3.7% | +28.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AN and ROST good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.42 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between AN and ROST?
Using weekly returns as of 2026-08-27: 0.42 over 3 years, with 0.48 over the last year and 0.39 over 5 years.
Is ROST a good diversifier for AN?
Yes, to a useful degree: a correlation of 0.42 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.42 mean?
On the −1 to +1 scale, 0.42 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/an-vs-rost.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/an-vs-rost/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: AN correlations · ROST correlations
