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Correlation Analysis

Arista Networks vs Eli Lilly & Co.

ANET vs LLY

+0.897

Very strong positive

When one moves up, the other tends to follow.

ANET logo

Arista Networks

ANET

Arista Networks is a networking equipment provider that primarily sells Ethernet switches and software to data centers. Its marquee product is its extensible operating system, or EOS, that runs a single image across every single one of its devices. The firm operates as one reportable segment. It has steadily gained market share since its founding in 2004, with a focus on high-speed applications. Arista counts Microsoft and Meta Platforms as its largest customers and derives roughly three quarters of its sales from North America.

Market cap 158.6B · 5,115 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: ANETGray: LLY36 of 1,254 points (sampled)

Who Moves First

ANET leads LLY by 6 days

ANET tends to move before LLY.

After testing 13 timing shifts, the strongest relationship was +0.898 (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

+0.025

19 periods · Return correlation when both series rose

Both Falling

N/A

4 periods · Return correlation when both series fell

Diverging

-0.588

12 periods · Return correlation when series moved apart

R-Squared

80.5%

Share of variance in one series explained by the other.

Trend Agreement

59.6%

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: [0.886, 0.908]

Scatter

XY Regression

8.620406080100120140160169.51142004006008001,0001,142Arista NetworksEli Lilly & Co.Data pointsFit (r = 0.897)

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

ANET logo

Arista Networks

ANET

Market cap 158.6B · 5,115 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

6.1692

Linear regression slope.

Intercept

171.7807

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

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