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Correlation Analysis

First Solar, Inc. vs Eli Lilly & Co.

FSLR vs LLY

+0.768

Strong positive

When one moves up, the other tends to follow.

FSLR logo

First Solar, Inc.

FSLR

First Solar designs and manufactures solar photovoltaic panels, modules, and systems for use in utility-scale development projects. The company's solar modules use cadmium telluride to convert sunlight into electricity. This is commonly called thin-film technology. First Solar is the world's largest thin-film solar module manufacturer. It has production lines in Vietnam, Malaysia, the United States, and India.

Market cap 21B · 7,900 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: FSLRGray: LLY36 of 1,254 points (sampled)

Who Moves First

FSLR leads LLY by 6 days

FSLR tends to move before LLY.

After testing 13 timing shifts, the strongest relationship was +0.777 (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

+0.022

15 periods · Return correlation when both series rose

Both Falling

+0.084

7 periods · Return correlation when both series fell

Diverging

-0.411

13 periods · Return correlation when series moved apart

R-Squared

58.9%

Share of variance in one series explained by the other.

Trend Agreement

50.6%

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: [0.744, 0.789]

Scatter

XY Regression

51.1100150200250297.11142004006008001,0001,142First Solar, Inc.Eli Lilly & Co.Data pointsFit (r = 0.768)

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

FSLR logo

First Solar, Inc.

FSLR

Market cap 21B · 7,900 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

7

Estimated crossover points between normalized spreads.

Slope

3.6992

Linear regression slope.

Intercept

-17.4821

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

Saved 4 hours ago · ID: stock-fslr-vs-stock-lly-daily