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Correlate

Correlation Analysis

Boeing Company vs Eli Lilly & Co.

BA vs LLY

-0.068

Weak inverse

When one moves up, the other tends to move down.

BA logo

Boeing Company

BA

Boeing is a major aerospace and defense firm operating in three segments: commercial airplanes; defense, space, and security; and global services. Boeing's commercial airplanes segment competes with Airbus in the production of aircraft that can carry more than 130 passengers. Boeing's defense, space, and security segment competes with defense contractors such as Lockheed Martin and Northrop Grumman to create military aircraft, satellites, and weaponry. Global services provides aftermarket support to airlines.

Market cap 166.8B · 3,200 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 pointsStockStockIndustrialsHealthcare

Time Series

Relative Performance

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

Who Moves First

BA leads LLY by 2 days

BA tends to move before LLY.

After testing 13 timing shifts, the strongest relationship was -0.068 (they moved in opposite directions).

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

-0.312

10 periods · Return correlation when both series rose

Both Falling

+0.894

6 periods · Return correlation when both series fell

Diverging

-0.622

19 periods · Return correlation when series moved apart

R-Squared

0.5%

Share of variance in one series explained by the other.

Trend Agreement

52.8%

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 < 0.05

95% CI: [-0.123, -0.013]

Scatter

XY Regression

117.1120140160180200220240260270.91142004006008001,0001,142Boeing CompanyEli Lilly & Co.Data pointsFit (r = -0.068)

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

BA logo

Boeing Company

BA

Market cap 166.8B · 3,200 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

11

Estimated crossover points between normalized spreads.

Slope

-0.6080

Linear regression slope.

Intercept

688.4540

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

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