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Correlation Analysis

Eli Lilly & Co. vs MPLX LP

LLY vs MPLX

+0.905

Very 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

MPLX logo

MPLX LP

MPLX

MPLX is a partnership that owns pipelines and gathering and processing assets with extensive holdings in the Appalachian and Permian regions. The asset base is made up of crude oil and refined products assets dropped down from Marathon Petroleum, its sponsor, and natural gas and natural gas liquids gathering and processing assets that were purchased or built.

Market cap 56.5B · 5,762 employees

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

Time Series

Relative Performance

Green: LLYGray: MPLX36 of 1,254 points (sampled)

Who Moves First

LLY leads MPLX by 6 days

LLY tends to move before MPLX.

After testing 13 timing shifts, the strongest relationship was +0.907 (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

+0.315

14 periods · Return correlation when both series rose

Both Falling

N/A

2 periods · Return correlation when both series fell

Diverging

-0.409

19 periods · Return correlation when series moved apart

R-Squared

81.8%

Share of variance in one series explained by the other.

Trend Agreement

53.3%

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: [0.894, 0.914]

Scatter

XY Regression

1142004006008001,0001,14223.732530354045505557.57Eli Lilly & Co.MPLX LPData pointsFit (r = 0.905)

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

MPLX logo

MPLX LP

MPLX

Market cap 56.5B · 5,762 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

0.0300

Linear regression slope.

Intercept

22.3228

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

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