EFX vs XLI: Correlation
How closely do Equifax (EFX) and Industrial Select Sector SPDR Fund (XLI) trade together? Their weekly returns over three years give a correlation of 0.51, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EFX and XLI?
On 3 years of weekly data the EFX/XLI correlation comes out at 0.51, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.17 versus 0.51 over 3 years. The 5-year figure is 0.57, and annualized covariance runs at 266.0 %².
Within EFX's tracked universe of 53 assets, XLI comes in at #24 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months XLI outperformed by 40.1 percentage points (-21.8% for EFX against +18.3% for XLI). The relationship is regime-dependent: the rolling one-year correlation swung between 0.24 and 0.75 over the past three years, so this pair behaves very differently depending on the market environment. One caveat on sizing: EFX is 2.1 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.
EFX vs XLI: side by side
| EFX (Equifax) | XLI (Industrial Select Sector SPDR Fund) | |
|---|---|---|
| 1-year return | -21.8% | +18.3% |
| 5-year return | -26.0% | +84.0% |
| Volatility (ann.) | 33.3% | 15.7% |
| Beta vs S&P 500 | 1.25 | 0.89 |
| Max drawdown (3Y) | -49.7% | -18.5% |
| Market cap | $22.4B | – |
| P/E (trailing) | 33.5 | – |
| Dividend yield | 1.11% | 1.15% |
| Expense ratio | – | 0.08% |
| Assets under management | – | $32.9B |
| Sector / category | Industrials | Sector ETF |
XLI is an Industrials fund from State Street Investment Management: $32.9B under management, 83 holdings, a 0.08% expense ratio, a 1.15% trailing dividend yield.
Year-by-year returns
| Year | EFX | XLI |
|---|---|---|
| 2022 | -33.1% | -5.6% |
| 2023 | +28.2% | +18.1% |
| 2024 | +3.7% | +17.3% |
| 2025 | -14.2% | +19.3% |
| 2026 | -11.7% | +15.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Fund exposure
A structural note: 0.4% of XLI is EFX itself, so the fund partly moves with the stock by construction.
Are EFX and XLI good diversifiers for each other?
Somewhat, no more. With 0.51 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between EFX and XLI?
As of 2026-08-27, the correlation of weekly returns between EFX and XLI is 0.51 over 3 years, 0.17 over 1 year and 0.57 over 5 years.
Is XLI a good diversifier for EFX?
Somewhat, no more. With 0.51 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.51 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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/efx-vs-xli.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/efx-vs-xli/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: EFX correlations · XLI correlations
