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Correlate

Correlation Analysis

Caterpillar Inc. vs Eli Lilly & Co.

CAT vs LLY

+0.835

Strong positive

When one moves up, the other tends to follow.

CAT logo

Caterpillar Inc.

CAT

Caterpillar is the world's leading manufacturer of construction and mining equipment, off-highway diesel and natural gas engines, industrial gas turbines, and diesel-electric locomotives. Its reporting segments are construction, resource, energy, and transportation. Market share approaches 20% across many products. Caterpillar operates a captive finance subsidiary to facilitate sales. The firm has a global reach that is approximately evenly balanced between the US and the rest of the world. Construction skews more domestic, while the other divisions are more geographically diversified. An independent network of over 150 dealers operates approximately 2,800 facilities, giving Caterpillar reach into about 190 countries for sales and support services.

Market cap 335.6B

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 pointsStockStockIndustrialsHealthcare

Time Series

Relative Performance

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

Who Moves First

LLY leads CAT by 6 days

LLY tends to move before CAT.

After testing 13 timing shifts, the strongest relationship was +0.838 (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

+0.136

13 periods · Return correlation when both series rose

Both Falling

+0.489

5 periods · Return correlation when both series fell

Diverging

-0.352

17 periods · Return correlation when series moved apart

R-Squared

69.7%

Share of variance in one series explained by the other.

Trend Agreement

56.3%

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: [0.818, 0.851]

Scatter

XY Regression

1342003004005006007008008051142004006008001,0001,142Caterpillar Inc.Eli Lilly & Co.Data pointsFit (r = 0.835)

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

CAT logo

Caterpillar Inc.

CAT

Market cap 335.6B

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

16

Estimated crossover points between normalized spreads.

Slope

1.7449

Linear regression slope.

Intercept

24.3303

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

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