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Correlation Analysis

Eli Lilly & Co. vs Zscaler, Inc. Common Stock

LLY vs ZS

+0.103

Weak 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

ZS logo

Zscaler, Inc. Common Stock

ZS

Zscaler is a software-as-a-service, or SaaS, firm focusing on providing cloud-native cybersecurity solutions to primarily enterprise customers. Zscaler's offerings can be broadly partitioned into Zscaler Internet Access, which provides secure access to external applications, and Zscaler Private Access, which provides secure access to internal applications. The firm is headquartered in San Jose, California, and went public in 2018.

Market cap 22.4B · 7,923 employees

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

Time Series

Relative Performance

Green: LLYGray: ZS36 of 1,254 points (sampled)

Who Moves First

ZS leads LLY by 6 days

ZS tends to move before LLY.

After testing 13 timing shifts, the strongest relationship was +0.115 (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

-0.126

15 periods · Return correlation when both series rose

Both Falling

-0.116

7 periods · Return correlation when both series fell

Diverging

-0.630

13 periods · Return correlation when series moved apart

R-Squared

1.1%

Share of variance in one series explained by the other.

Trend Agreement

56.7%

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: [0.048, 0.158]

Scatter

XY Regression

1142004006008001,0001,14283.6100150200250300339.7Eli Lilly & Co.Zscaler, Inc. Common StockData pointsFit (r = 0.103)

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

ZS logo

Zscaler, Inc. Common Stock

ZS

Market cap 22.4B · 7,923 employees

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

5

Estimated crossover points between normalized spreads.

Slope

0.0222

Linear regression slope.

Intercept

188.8609

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

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