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Correlation Analysis

Eli Lilly & Co. vs Rocket Lab Corporation Common Stock

LLY vs RKLB

+0.592

Moderate 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

RKLB logo

Rocket Lab Corporation Common Stock

RKLB

Rocket Lab Corp is engaged in space, building rockets, and spacecraft. It provides end-to-end mission services that provide frequent and reliable access to space for civil, defense, and commercial markets. It designs and manufactures the Electron and Neutron launch vehicles and Photon satellite platform. Rocket Lab's Electron launch vehicle has delivered multiple satellites to orbit for private and public sector organizations, enabling operations in national security, scientific research, space debris mitigation, Earth observation, climate monitoring, and communications. The business operates in two segments Launch Services and Space Systems. Geographically it serves Japan, and rest of the world and earns key revenue from the United States.

Market cap 38.5B · 2,600 employees

Aug 25, 2021 — Apr 7, 2026Daily1,158 data pointsStockStockHealthcare

Time Series

Relative Performance

Green: LLYGray: RKLB36 of 1,158 points (sampled)

Who Moves First

LLY leads RKLB by 6 days

LLY tends to move before RKLB.

After testing 13 timing shifts, the strongest relationship was +0.596 (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

+0.198

11 periods · Return correlation when both series rose

Both Falling

+0.826

6 periods · Return correlation when both series fell

Diverging

-0.682

18 periods · Return correlation when series moved apart

R-Squared

35.1%

Share of variance in one series explained by the other.

Trend Agreement

53.0%

How often both series moved in the same direction period-to-period.

Overlap Quality

1,158

Deep shared window — 1,158 usable pairs.

Significance

p < 0.001

95% CI: [0.554, 0.628]

Scatter

XY Regression

1652004006008001,0001,148-1.902040608080.1Eli Lilly & Co.Rocket Lab Corporation Common StockData pointsFit (r = 0.592)

Pipeline

Data quality details

Pipeline Summary

1,158 paired data points survived the daily window.

Raw input

1,254

1,158

Normalized

1,254

1,158

Prepared

1,254

1,158

Aligned

1,158

1,158

Invalid removed

0

A: 0 / B: 0

Duplicates removed

0

A: 0 / B: 0

Alignment drops

96

A: 96 / 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

RKLB logo

Rocket Lab Corporation Common Stock

RKLB

Market cap 38.5B · 2,600 employees

Stock · 1,158 raw → 1,158 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

13

Estimated crossover points between normalized spreads.

Slope

0.0466

Linear regression slope.

Intercept

-10.1831

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

Saved 7 hours ago · ID: stock-lly-vs-stock-rklb-daily