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Correlation Analysis

Eli Lilly & Co. vs Valero Energy Corporation

LLY vs VLO

+0.793

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

VLO logo

Valero Energy Corporation

VLO

Valero Energy is one of the largest independent refiners in the United States. It operates 15 refineries, with a total throughput capacity of 3.2 million barrels a day in the US, Canada, and the United Kingdom. Valero also owns 12 ethanol plants with capacity of 1.6 billion gallons a year and holds a 50% stake in Diamond Green Diesel, which can produce 1.2 billion gallons per year of renewable diesel.

Market cap 73.4B · 9,811 employees

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

Time Series

Relative Performance

Green: LLYGray: VLO36 of 1,254 points (sampled)

Who Moves First

VLO leads LLY by 6 days

VLO tends to move before LLY.

After testing 13 timing shifts, the strongest relationship was +0.800 (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

-0.113

13 periods · Return correlation when both series rose

Both Falling

N/A

4 periods · Return correlation when both series fell

Diverging

-0.638

18 periods · Return correlation when series moved apart

R-Squared

63.0%

Share of variance in one series explained by the other.

Trend Agreement

50.3%

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: [0.772, 0.813]

Scatter

XY Regression

1142004006008001,0001,14248.450100150200250266.5Eli Lilly & Co.Valero Energy CorporationData pointsFit (r = 0.793)

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

VLO logo

Valero Energy Corporation

VLO

Market cap 73.4B · 9,811 employees

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

9

Estimated crossover points between normalized spreads.

Slope

0.1010

Linear regression slope.

Intercept

69.6073

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

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