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Correlation Analysis

Copart Inc vs Eli Lilly & Co.

CPRT vs LLY

+0.708

Strong positive

When one moves up, the other tends to follow.

CPRT logo

Copart Inc

CPRT

Based in Dallas, Copart operates an online salvage vehicle auction with operations in 11 countries across North America, Europe, and the Middle East, facilitating over 4 million transactions annually. The company utilizes its virtual bidding platform, VB3, to connect vehicle sellers with over 750,000 registered buyers around the world. Buyers primarily consist of vehicle dismantlers, rebuilders, individuals and used vehicle retailers. About 80% of Copart's vehicle volume is supplied by auto insurance companies holding vehicles deemed a total loss. Copart also offers services such as vehicle transportation, storage, title transfer, and salvage value estimation. The company primarily operates on a consignment basis and collects fees based on the vehicle's final selling price.

Market cap 31.6B · 11,600 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: CPRTGray: LLY36 of 1,254 points (sampled)

Who Moves First

CPRT leads LLY by 6 days

CPRT tends to move before LLY.

After testing 13 timing shifts, the strongest relationship was +0.718 (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

-0.223

13 periods · Return correlation when both series rose

Both Falling

+0.607

7 periods · Return correlation when both series fell

Diverging

-0.640

15 periods · Return correlation when series moved apart

R-Squared

50.1%

Share of variance in one series explained by the other.

Trend Agreement

58.7%

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: [0.679, 0.734]

Scatter

XY Regression

26.13035404550556062.331142004006008001,0001,142Copart IncEli Lilly & Co.Data pointsFit (r = 0.708)

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

CPRT logo

Copart Inc

CPRT

Market cap 31.6B · 11,600 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

13

Estimated crossover points between normalized spreads.

Slope

19.3260

Linear regression slope.

Intercept

-246.5077

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

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