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Correlation Analysis

Equifax, Incorporated vs Eli Lilly & Co.

EFX vs LLY

+0.219

Light positive

When one moves up, the other tends to follow.

EFX logo

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

LLY logo

Eli Lilly & Co.

LLY

Eli Lilly is a drug firm with a focus on neuroscience, cardiometabolic, cancer, and immunology. Lilly's key products include Verzenio for cancer; Mounjaro, Zepbound, Jardiance, Trulicity, Humalog, and Humulin for cardiometabolic; and Taltz and Olumiant for immunology.

Market cap 828.2B · 50,000 employees

Apr 9, 2021 — Apr 7, 2026Daily1,254 data pointsStockStockHealthcare

Time Series

Relative Performance

Green: EFXGray: LLY36 of 1,254 points (sampled)

Who Moves First

EFX leads LLY by 6 days

EFX tends to move before LLY.

After testing 13 timing shifts, the strongest relationship was +0.223 (they moved in the same direction).

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

-0.307

16 periods · Return correlation when both series rose

Both Falling

-0.085

9 periods · Return correlation when both series fell

Diverging

-0.508

10 periods · Return correlation when series moved apart

R-Squared

4.8%

Share of variance in one series explained by the other.

Trend Agreement

58.5%

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: [0.166, 0.271]

Scatter

XY Regression

153.4160180200220240260280300308.11142004006008001,0001,142Equifax, IncorporatedEli Lilly & Co.Data pointsFit (r = 0.219)

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

EFX logo

Equifax, Incorporated

EFX

Market cap 22B · 15,000 employees

Stock · 1,254 raw → 1,254 prepared

Series B

LLY logo

Eli Lilly & Co.

LLY

Market cap 828.2B · 50,000 employees

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

3

Estimated crossover points between normalized spreads.

Slope

1.7955

Linear regression slope.

Intercept

154.3566

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

Saved 7 hours ago · ID: stock-efx-vs-stock-lly-daily