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Correlation Analysis

ATI Inc. vs Eli Lilly & Co.

ATI vs LLY

+0.840

Strong positive

When one moves up, the other tends to follow.

ATI logo

ATI Inc.

ATI

ATI Inc supplies specialty metals to various end markets, including aerospace and defense, oil and gas, automotive, and electrical energy, among many others. The company's operating segment includes High-Performance Materials and Components and Advanced Alloys and Solutions. The majority of revenue is from the High-Performance Materials segment. The High-Performance Materials segment is focused on a wide range of high-performance specialty materials, parts, and components for several the majority of end markets, including the aerospace & defense, medical, and energy markets. Geographically, it operates in the United States, China, the United Kingdom, Germany, France, Canada, and Others, the majority is from the United States.

Market cap 20.2B · 7,600 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: ATIGray: LLY36 of 1,254 points (sampled)

Who Moves First

LLY leads ATI by 6 days

LLY tends to move before ATI.

After testing 13 timing shifts, the strongest relationship was +0.841 (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

+0.334

12 periods · Return correlation when both series rose

Both Falling

+0.076

5 periods · Return correlation when both series fell

Diverging

-0.459

18 periods · Return correlation when series moved apart

R-Squared

70.5%

Share of variance in one series explained by the other.

Trend Agreement

52.6%

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: [0.822, 0.855]

Scatter

XY Regression

4.920406080100120140157.81142004006008001,0001,142ATI Inc.Eli Lilly & Co.Data pointsFit (r = 0.84)

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

ATI logo

ATI Inc.

ATI

Market cap 20.2B · 7,600 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

5

Estimated crossover points between normalized spreads.

Slope

7.5033

Linear regression slope.

Intercept

194.8071

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

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