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Correlation Analysis

Eli Lilly & Co. vs Markel Group Inc.

LLY vs MKL

+0.867

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

MKL logo

Markel Group Inc.

MKL

Markel's primary business is property and casualty insurance. The company focuses primarily on specialty lines, ranging from areas such as executive liability to commercial equine insurance. The acquisition of Alterra in 2013 added substantial reinsurance operations, which now account for a little over 10% of premiums. The company uses capital generated by its insurance operations to buy noninsurance operations in diverse areas, such as bakery equipment manufacturing and residential homebuilding.

Market cap 23.9B · 22,900 employees

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

Time Series

Relative Performance

Green: LLYGray: MKL36 of 1,254 points (sampled)

Who Moves First

in sync

LLY and MKL tend to move at the same time.

After testing 13 timing shifts, the strongest relationship was +0.867 (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

+0.425

17 periods · Return correlation when both series rose

Both Falling

+0.893

6 periods · Return correlation when both series fell

Diverging

-0.638

12 periods · Return correlation when series moved apart

R-Squared

75.2%

Share of variance in one series explained by the other.

Trend Agreement

57.3%

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: [0.853, 0.880]

Scatter

XY Regression

1142004006008001,0001,1421,0961,2001,4001,6001,8002,0002,2002,246Eli Lilly & Co.Markel Group Inc.Data pointsFit (r = 0.867)

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

MKL logo

Markel Group Inc.

MKL

Market cap 23.9B · 22,900 employees

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

68

Estimated crossover points between normalized spreads.

Slope

0.9082

Linear regression slope.

Intercept

1001.6322

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

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