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Correlation Analysis

Illumina Inc vs Eli Lilly & Co.

ILMN vs LLY

-0.790

Strong inverse

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

ILMN logo

Illumina Inc

ILMN

Illumina provides tools and services to analyze genetic material with life science and clinical lab applications. The company generates over 90% of its revenue from sequencing instruments, consumables, and services. Illumina's high-throughput technology enables whole genome sequencing in humans and other large organisms. Its lower throughput tools enable applications that require smaller data outputs, such as viral and cancer tumor screening. Illumina also sells microarrays (9% of 2024 sales) that enable lower-cost, focused genetic screening with primarily consumer and agricultural applications.

Market cap 19.5B · 8,650 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: ILMNGray: LLY36 of 1,254 points (sampled)

Who Moves First

ILMN leads LLY by 6 days

ILMN tends to move before LLY.

After testing 13 timing shifts, the strongest relationship was -0.793 (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

+0.145

11 periods · Return correlation when both series rose

Both Falling

-0.670

5 periods · Return correlation when both series fell

Diverging

-0.197

19 periods · Return correlation when series moved apart

R-Squared

62.4%

Share of variance in one series explained by the other.

Trend Agreement

57.3%

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: [-0.810, -0.768]

Scatter

XY Regression

411002003004005005201142004006008001,0001,142Illumina IncEli Lilly & Co.Data pointsFit (r = -0.79)

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

ILMN logo

Illumina Inc

ILMN

Market cap 19.5B · 8,650 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

1

Estimated crossover points between normalized spreads.

Slope

-1.8759

Linear regression slope.

Intercept

949.5335

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

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