MCO vs RSP: Correlation
Measured on weekly returns over the past three years, Moody's Corporation (MCO) and Invesco S&P 500 Equal Weight ETF (RSP) carry a correlation of 0.61, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MCO and RSP?
Over the past 3 years, MCO and RSP moved with a correlation of 0.61, which is strong. Lately the two have drifted apart, with the 1-year correlation at 0.33 versus 0.61 over 3 years. Over 5 years the correlation is 0.70, and the annualized covariance of weekly returns is 207.7 %².
Among the 53 assets we track against MCO, RSP ranks #13 by 3-year correlation. Correlation aside, the last 12 months split them widely, with RSP ahead by 18.5 points (+0.7% versus +19.2%). The rolling one-year correlation moved between 0.34 and 0.84 over the past three years, a moderate range. One caveat on sizing: MCO is 2.0 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
MCO vs RSP: side by side
| MCO (Moody's Corporation) | RSP (Invesco S&P 500 Equal Weight ETF) | |
|---|---|---|
| 1-year return | +0.7% | +19.2% |
| 5-year return | +39.4% | +53.9% |
| Volatility (ann.) | 25.8% | 13.2% |
| Beta vs S&P 500 | 1.08 | 0.77 |
| Max drawdown (3Y) | -24.7% | -17.8% |
| Market cap | $88.2B | – |
| P/E (trailing) | 32.7 | – |
| Dividend yield | 0.77% | 1.49% |
| Expense ratio | – | 0.20% |
| Assets under management | – | $97.3B |
| Sector / category | Financials | 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 | MCO | RSP |
|---|---|---|
| 2022 | -28.0% | -11.6% |
| 2023 | +41.5% | +13.7% |
| 2024 | +22.2% | +12.8% |
| 2025 | +8.7% | +11.2% |
| 2026 | +0.3% | +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 MCO at a 0.21% weight, which makes a slice of this correlation mechanical rather than coincidental.
Are MCO and RSP good diversifiers for each other?
Only partially. A correlation of 0.61 means MCO and RSP share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between MCO and RSP?
As of 2026-08-27, the correlation of weekly returns between MCO and RSP is 0.61 over 3 years, 0.33 over 1 year and 0.70 over 5 years.
Is RSP a good diversifier for MCO?
Only partially. A correlation of 0.61 means MCO and RSP share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.61 mean?
A reading of 0.61 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/mco-vs-rsp.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/mco-vs-rsp/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: MCO correlations · RSP correlations
