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Correlation Analysis

Arthur J. Gallagher & Co. vs Eli Lilly & Co.

AJG vs LLY

+0.836

Strong positive

When one moves up, the other tends to follow.

AJG logo

Arthur J. Gallagher & Co.

AJG

Founded in 1927 as a one-person agency, Gallagher's primary business is insurance brokerage, with a focus on serving middle-market companies. The company's risk management segment provides third-party claims adjustment to companies that choose to self-insure. Gallagher has about 72,000 employees and generates about a third of its revenue internationally, primarily in Australia, Canada, New Zealand, and the UK.

Market cap 56.3B · 72,000 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: AJGGray: LLY36 of 1,254 points (sampled)

Who Moves First

AJG leads LLY by 6 days

AJG tends to move before LLY.

After testing 13 timing shifts, the strongest relationship was +0.839 (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

+0.498

17 periods · Return correlation when both series rose

Both Falling

-0.391

6 periods · Return correlation when both series fell

Diverging

-0.481

12 periods · Return correlation when series moved apart

R-Squared

69.9%

Share of variance in one series explained by the other.

Trend Agreement

59.9%

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: [0.819, 0.852]

Scatter

XY Regression

116150200250300350356.41142004006008001,0001,142Arthur J. Gallagher & Co.Eli Lilly & Co.Data pointsFit (r = 0.836)

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

AJG logo

Arthur J. Gallagher & Co.

AJG

Market cap 56.3B · 72,000 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

17

Estimated crossover points between normalized spreads.

Slope

3.9159

Linear regression slope.

Intercept

-312.6305

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

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