MCO vs MORN: Correlation
Measured on weekly returns over the past three years, Moody's Corporation (MCO) and Morningstar, Inc. (MORN) carry a correlation of 0.65, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MCO and MORN?
Across a 3-year window, the weekly returns of MCO and MORN correlate at 0.65, strong. Recent behaviour matches the longer record: 0.69 over 1 year against 0.65 over 3. Stretching to 5 years gives 0.65, with an annualized covariance of 507.5 %².
Within MCO's tracked universe of 53 assets, MORN comes in at #4 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months MCO outperformed by 17.3 percentage points (+0.7% for MCO against -16.6% for MORN).
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 MORN: side by side
| MCO (Moody's Corporation) | MORN (Morningstar, Inc.) | |
|---|---|---|
| 1-year return | +0.7% | -16.6% |
| 5-year return | +39.4% | -15.1% |
| Volatility (ann.) | 25.8% | 30.5% |
| Beta vs S&P 500 | 1.08 | 0.77 |
| Max drawdown (3Y) | -24.7% | -60.0% |
| Market cap | $88.2B | $8.2B |
| P/E (trailing) | 32.7 | 20.2 |
| Dividend yield | 0.77% | 0.92% |
| Sector / category | Financials | US Listed |
Year-by-year returns
| Year | MCO | MORN |
|---|---|---|
| 2022 | -28.0% | -36.3% |
| 2023 | +41.5% | +33.1% |
| 2024 | +22.2% | +18.3% |
| 2025 | +8.7% | -35.1% |
| 2026 | +0.3% | +1.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MCO and MORN good diversifiers for each other?
Somewhat, no more. With 0.65 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between MCO and MORN?
The MCO/MORN correlation stands at 0.65 on a 3-year window (1 year: 0.69, 5 years: 0.65), computed from weekly returns as of 2026-08-27.
Is MORN a good diversifier for MCO?
Somewhat, no more. With 0.65 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.65 mean?
A reading of 0.65 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-morn.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/mco-vs-morn/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: MCO correlations · MORN correlations
