MAR vs RSP: Correlation
Measured on weekly returns over the past three years, Marriott International (MAR) and Invesco S&P 500 Equal Weight ETF (RSP) carry a correlation of 0.63, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MAR and RSP?
Across a 3-year window, the weekly returns of MAR and RSP correlate at 0.63, strong. The past 12 months show a weaker link (0.44) than the 3-year average (0.63). Stretching to 5 years gives 0.64, with an annualized covariance of 204.3 %².
By 3-year correlation, RSP places #9 of the 40 assets tracked against MAR. Over the last 12 months MAR came out ahead by 13.1 percentage points (+32.3% against +19.2%). On a rolling one-year basis the correlation drifted between 0.46 and 0.80, a moderate band. Risk is not evenly split, since MAR carries 1.9 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.
MAR vs RSP: side by side
| MAR (Marriott International) | RSP (Invesco S&P 500 Equal Weight ETF) | |
|---|---|---|
| 1-year return | +32.3% | +19.2% |
| 5-year return | +173.2% | +53.9% |
| Volatility (ann.) | 24.6% | 13.2% |
| Beta vs S&P 500 | 0.97 | 0.77 |
| Max drawdown (3Y) | -30.5% | -17.8% |
| Market cap | $92.3B | – |
| P/E (trailing) | 36.7 | – |
| Dividend yield | 0.76% | 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 | MAR | RSP |
|---|---|---|
| 2022 | -9.3% | -11.6% |
| 2023 | +53.1% | +13.7% |
| 2024 | +24.9% | +12.8% |
| 2025 | +12.3% | +11.2% |
| 2026 | +14.7% | +16.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Fund exposure
A structural note: 0.17% of RSP is MAR itself, so the fund partly moves with the stock by construction.
Are MAR and RSP good diversifiers for each other?
To a limited degree. At 0.63 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between MAR and RSP?
Using weekly returns as of 2026-08-27: 0.63 over 3 years, with 0.44 over the last year and 0.64 over 5 years.
Is RSP a good diversifier for MAR?
To a limited degree. At 0.63 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.63 mean?
A reading of 0.63 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/mar-vs-rsp.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/mar-vs-rsp/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: MAR correlations · RSP correlations
