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Correlate

Correlation Analysis

Eli Lilly & Co. vs TransDigm Group Incorporated

LLY vs TDG

+0.936

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

TDG logo

TransDigm Group Incorporated

TDG

TransDigm manufactures and services a broad set of specialized parts for commercial and military aircraft. The firm organizes itself in three segments: power and control, airframes, and a small non-aviation segment, which serves mostly off-road vehicles and mining equipment. It operates as an acquisitive holding company that focuses on buying up smaller firms that make proprietary aerospace products with substantial aftermarket demand. TransDigm regularly employs financial leverage to amplify its operating results.

Market cap 67.2B · 16,500 employees

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

Time Series

Relative Performance

Green: LLYGray: TDG36 of 1,254 points (sampled)

Who Moves First

LLY leads TDG by 5 days

LLY tends to move before TDG.

After testing 13 timing shifts, the strongest relationship was +0.936 (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

+0.110

14 periods · Return correlation when both series rose

Both Falling

-0.578

5 periods · Return correlation when both series fell

Diverging

-0.356

16 periods · Return correlation when series moved apart

R-Squared

87.6%

Share of variance in one series explained by the other.

Trend Agreement

57.1%

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: [0.929, 0.942]

Scatter

XY Regression

1142004006008001,0001,1424956008001,0001,2001,4001,6001,664Eli Lilly & Co.TransDigm Group IncorporatedData pointsFit (r = 0.936)

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

TDG logo

TransDigm Group Incorporated

TDG

Market cap 67.2B · 16,500 employees

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

55

Estimated crossover points between normalized spreads.

Slope

1.1353

Linear regression slope.

Intercept

325.8197

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

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