EFX vs SPGI: Correlation
How closely do Equifax (EFX) and S&P Global (SPGI) trade together? Their weekly returns over three years give a correlation of 0.59, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EFX and SPGI?
On 3 years of weekly data the EFX/SPGI correlation comes out at 0.59, moderate. The relationship has been stable: the 1-year correlation (0.58) sits close to the 3-year figure. The 5-year figure is 0.66, and annualized covariance runs at 482.3 %².
Within EFX's tracked universe of 53 assets, SPGI comes in at #9 by 3-year correlation. The trailing year gives SPGI the advantage: -21.8% versus -15.6%, a 6.2-point spread. On a rolling one-year basis the correlation drifted between 0.44 and 0.79, a moderate band.
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.
EFX vs SPGI: side by side
| EFX (Equifax) | SPGI (S&P Global) | |
|---|---|---|
| 1-year return | -21.8% | -15.6% |
| 5-year return | -26.0% | +8.1% |
| Volatility (ann.) | 33.3% | 24.7% |
| Beta vs S&P 500 | 1.25 | 0.86 |
| Max drawdown (3Y) | -49.7% | -30.5% |
| Market cap | $22.4B | $128.4B |
| P/E (trailing) | 33.5 | 26.6 |
| Dividend yield | 1.11% | 0.88% |
| Sector / category | Industrials | Financials |
Year-by-year returns
| Year | EFX | SPGI |
|---|---|---|
| 2022 | -33.1% | -28.4% |
| 2023 | +28.2% | +32.8% |
| 2024 | +3.7% | +13.9% |
| 2025 | -14.2% | +5.7% |
| 2026 | -11.7% | -11.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EFX and SPGI good diversifiers for each other?
To a limited degree. At 0.59 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 EFX and SPGI?
The EFX/SPGI correlation stands at 0.59 on a 3-year window (1 year: 0.58, 5 years: 0.66), computed from weekly returns as of 2026-08-27.
Is SPGI a good diversifier for EFX?
To a limited degree. At 0.59 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 0.59 mean?
On the −1 to +1 scale, 0.59 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
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Hubs: EFX correlations · SPGI correlations