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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

Correlation (3Y)
0.59
moderate
Correlation (1Y)
0.58
last 12 months
Correlation (5Y)
0.66
long-run
Ann. covariance
482.3
%² · weekly, annualized

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.

+1.0+0.50-0.5-1.020232026-08-27
Rolling one-year correlation of weekly returns over the past three years.
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 5001.250.86
Max drawdown (3Y)-49.7%-30.5%
Market cap$22.4B$128.4B
P/E (trailing)33.526.6
Dividend yield1.11%0.88%
Sector / categoryIndustrialsFinancials
Lower P/E: SPGI 26.6 vs 33.5Higher yield: EFX 1.11% vs 0.88%Smaller drawdown: SPGI -30.5% vs -49.7%Higher 5y return: SPGI +8.1% vs -26.0%
-38%0%+3%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. EFX · SPGI

Year-by-year returns

YearEFXSPGI
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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EFX vs SPGI: 3-year weekly correlation 0.59EFX vs SPGI0.59

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Hubs: EFX correlations · SPGI correlations