Correlation Analysis
Equifax, Incorporated vs Exxon Mobil Corporation
EFX vs XOM
-0.232
Light inverse
When one moves up, the other tends to move down.
Equifax, Incorporated
↗EFX
Along with Experian and TransUnion, Equifax is one of the leading credit bureaus in the United States. Equifax's credit reports provide credit histories on millions of consumers, and the firm's services are critical to lenders' credit decisions. In addition, about 40% of the firm's revenue comes from workforce solutions, which provides income verification and employer human resources services. Equifax generates about 25% of its revenue from outside the United States.
Market cap 22B · 15,000 employees
Exxon Mobil Corporation
↗XOM
ExxonMobil is an integrated oil and gas company that explores for, produces, and refines oil worldwide. In 2025, it produced 3.3 million barrels of liquids and 8.4 billion cubic feet of natural gas per day. At the end of 2024, reserves were 19.9 billion barrels of oil equivalent, 69% of which were liquids. The company is one of the world's largest refiners, with a total global refining capacity of 4.3 million barrels of oil per day, and is one of the world's largest manufacturers of commodity and specialty chemicals.
Market cap 680.7B
Time Series
Relative Performance
Who Moves First
XOM leads EFX by 6 days
XOM tends to move before EFX.
After testing 13 timing shifts, the strongest relationship was -0.248 (they moved in opposite directions).
Do They Crash Together?
Correlation by Market Regime
How these series behave when markets are rising, falling, or diverging. A correlation that holds in drawdowns is very different from one that only works in rallies.
Both Rising
-0.216
8 periods · Return correlation when both series rose
Both Falling
-0.105
5 periods · Return correlation when both series fell
Diverging
-0.657
22 periods · Return correlation when series moved apart
R-Squared
5.4%
Share of variance in one series explained by the other.
Trend Agreement
54.6%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,254
Deep shared window — 1,254 usable pairs.
Significance
p < 0.001
95% CI: [-0.284, -0.179]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,254 paired data points survived the daily window.
Raw input
1,254
1,254
Normalized
1,254
1,254
Prepared
1,254
1,254
Aligned
1,254
1,254
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
0
A: 0 / B: 0
Series A
Equifax, Incorporated
EFX
Market cap 22B · 15,000 employees
Stock · 1,254 raw → 1,254 prepared
Series B
Exxon Mobil Corporation
XOM
Market cap 680.7B
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
33
Estimated crossover points between normalized spreads.
Slope
-0.1562
Linear regression slope.
Intercept
137.5670
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 6 hours ago · ID: stock-efx-vs-stock-xom-daily