MORN vs SPGI: Correlation
Measured on weekly returns over the past three years, Morningstar, Inc. (MORN) and S&P Global (SPGI) carry a correlation of 0.68, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MORN and SPGI?
Across a 3-year window, the weekly returns of MORN and SPGI correlate at 0.68, strong. Little has changed lately, as the 1-year reading of 0.73 lands near the 3-year figure. Stretching to 5 years gives 0.64, with an annualized covariance of 512.9 %².
SPGI is one of the assets that tracks MORN most closely: it ranks #2 out of the 21 assets we track against MORN. Their 12-month results are close: -16.6% for MORN against -15.6% for SPGI.
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.
MORN vs SPGI: side by side
| MORN (Morningstar, Inc.) | SPGI (S&P Global) | |
|---|---|---|
| 1-year return | -16.6% | -15.6% |
| 5-year return | -15.1% | +8.1% |
| Volatility (ann.) | 30.5% | 24.7% |
| Beta vs S&P 500 | 0.77 | 0.86 |
| Max drawdown (3Y) | -60.0% | -30.5% |
| Market cap | $8.2B | $128.4B |
| P/E (trailing) | 20.2 | 26.6 |
| Dividend yield | 0.92% | 0.88% |
| Sector / category | US Listed | Financials |
Year-by-year returns
| Year | MORN | SPGI |
|---|---|---|
| 2022 | -36.3% | -28.4% |
| 2023 | +33.1% | +32.8% |
| 2024 | +18.3% | +13.9% |
| 2025 | -35.1% | +5.7% |
| 2026 | +1.5% | -11.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MORN and SPGI good diversifiers for each other?
Somewhat, no more. With 0.68 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between MORN and SPGI?
The MORN/SPGI correlation stands at 0.68 on a 3-year window (1 year: 0.73, 5 years: 0.64), computed from weekly returns as of 2026-08-27.
Is SPGI a good diversifier for MORN?
Somewhat, no more. With 0.68 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.68 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
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Related comparisons
Hubs: MORN correlations · SPGI correlations
