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Correlation Analysis

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

LLY vs NTRA

+0.717

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

NTRA logo

Natera, Inc. Common Stock

NTRA

Natera Inc is a diagnostic and research company with proprietary molecular and bioinformatics technology. The company's key product offerings include its Panorama Non-Invasive Prenatal Test (NIPT) which screens for chromosomal abnormalities of a fetus as well as in twin pregnancies, typically with a blood draw from the mother, Horizon Carrier Screening (HCS) to determine carrier status for a large number of severe genetic diseases that could be passed on to the carrier's children, Signatera molecular residual disease (MRD) test, which detects circulating tumor DNA in patients previously diagnosed with cancer to assess molecular residual disease and monitor for recurrence; and Prospera, to assess organ transplant rejection.

Market cap 29B · 6,140 employees

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

Time Series

Relative Performance

Green: LLYGray: NTRA36 of 1,254 points (sampled)

Who Moves First

LLY leads NTRA by 6 days

LLY tends to move before NTRA.

After testing 13 timing shifts, the strongest relationship was +0.721 (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

+0.411

13 periods · Return correlation when both series rose

Both Falling

N/A

4 periods · Return correlation when both series fell

Diverging

-0.649

18 periods · Return correlation when series moved apart

R-Squared

51.4%

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: [0.689, 0.743]

Scatter

XY Regression

1142004006008001,0001,1422250100150200247.5Eli Lilly & Co.Natera, Inc. Common StockData pointsFit (r = 0.717)

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

NTRA logo

Natera, Inc. Common Stock

NTRA

Market cap 29B · 6,140 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

0.1483

Linear regression slope.

Intercept

17.9807

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

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