ROST vs RSP: Correlation
Ross Stores (ROST) and Invesco S&P 500 Equal Weight ETF (RSP) show a moderate relationship: their 3-year correlation of weekly returns is 0.42.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ROST and RSP?
Over the past 3 years, ROST and RSP moved with a correlation of 0.42, which is moderate. The link has loosened recently: the 1-year correlation (0.28) runs below the 3-year figure (0.42). Over 5 years the correlation is 0.54, and the annualized covariance of weekly returns is 133.0 %².
Among the 32 assets we track against ROST, RSP ranks #15 by 3-year correlation. The last year tells two different stories: ROST led by 35.1 percentage points, +54.3% for ROST against +19.2% for RSP. Across three years, the rolling one-year figure varied moderately, from 0.29 to 0.70. Risk is not evenly split, since ROST carries 1.8 times the volatility of the other side.
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.
ROST vs RSP: side by side
| ROST (Ross Stores) | RSP (Invesco S&P 500 Equal Weight ETF) | |
|---|---|---|
| 1-year return | +54.3% | +19.2% |
| 5-year return | +105.0% | +53.9% |
| Volatility (ann.) | 24.0% | 13.2% |
| Beta vs S&P 500 | 0.66 | 0.77 |
| Max drawdown (3Y) | -21.1% | -17.8% |
| Market cap | $73.7B | – |
| P/E (trailing) | 27.8 | – |
| Dividend yield | 0.72% | 1.49% |
| Expense ratio | – | 0.20% |
| Assets under management | – | $97.3B |
| Sector / category | Consumer Discretionary | ETF · US Large Cap |
On the fund side, RSP sits in the Large Blend category at Invesco, with $97.3B under management, 505 holdings, a 0.20% expense ratio, a 1.49% trailing dividend yield.
Year-by-year returns
| Year | ROST | RSP |
|---|---|---|
| 2022 | +2.9% | -11.6% |
| 2023 | +20.6% | +13.7% |
| 2024 | +10.4% | +12.8% |
| 2025 | +20.4% | +11.2% |
| 2026 | +28.1% | +16.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Fund exposure
Keep in mind that RSP holds ROST at a 0.19% weight, which makes a slice of this correlation mechanical rather than coincidental.
Are ROST and RSP 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 ROST and RSP?
Using weekly returns as of 2026-08-27: 0.42 over 3 years, with 0.28 over the last year and 0.54 over 5 years.
Is RSP a good diversifier for ROST?
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?
A reading of 0.42 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/rost-vs-rsp.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/rost-vs-rsp/)
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Related comparisons
Hubs: ROST correlations · RSP correlations
