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Correlation Analysis

Eli Lilly & Co. vs W.R. Berkley Corporation

LLY vs WRB

+0.860

Very strong positive

When one moves up, the other tends to follow.

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

WRB logo

W.R. Berkley Corporation

WRB

W.R. Berkley is an insurance holding company with a host of subsidiaries that primarily underwrite commercial casualty insurance. The firm specializes in niche products that include various excess and surplus lines, workers' compensation insurance, self-insurance consulting, reinsurance, and regional commercial lines for small and midsize businesses.

Market cap 24.8B · 8,804 employees

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

Time Series

Relative Performance

Green: LLYGray: WRB36 of 1,254 points (sampled)

Who Moves First

in sync

LLY and WRB tend to move at the same time.

After testing 13 timing shifts, the strongest relationship was +0.860 (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

+0.366

12 periods · Return correlation when both series rose

Both Falling

N/A

3 periods · Return correlation when both series fell

Diverging

-0.449

20 periods · Return correlation when series moved apart

R-Squared

73.9%

Share of variance in one series explained by the other.

Trend Agreement

58.1%

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: [0.844, 0.873]

Scatter

XY Regression

1142004006008001,0001,14228.6304050607076.6Eli Lilly & Co.W.R. Berkley CorporationData pointsFit (r = 0.86)

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

LLY logo

Eli Lilly & Co.

LLY

Market cap 828.2B · 50,000 employees

Stock · 1,254 raw → 1,254 prepared

Series B

WRB logo

W.R. Berkley Corporation

WRB

Market cap 24.8B · 8,804 employees

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

7

Estimated crossover points between normalized spreads.

Slope

0.0409

Linear regression slope.

Intercept

27.8736

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

Saved 6 hours ago · ID: stock-lly-vs-stock-wrb-daily