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Correlation Analysis

Johnson & Johnson vs PPG Industries, Inc.

JNJ vs PPG

-0.254

Light inverse

When one moves up, the other tends to move down.

JNJ logo

Johnson & Johnson

JNJ

Johnson & Johnson is the world's largest and most diverse healthcare firm. It has two divisions: innovative medicine and medtech. These now represent all of the company's sales following the divestment of the consumer business, Kenvue, in 2023. After restructurings in 2023-24, the drug division focuses on three main therapeutic areas: immunology, oncology, and neurology. Geographically, just over half of total revenue is generated in the United States.

Market cap 580.4B

PPG logo

PPG Industries, Inc.

PPG

PPG is a global producer of coatings. The company is the world's largest producer of coatings after the purchase of selected Akzo Nobel assets. PPG's products are sold to a wide variety of end users, including the automotive, aerospace, construction, and industrial markets. The company has a footprint in many regions around the globe, with less than half of sales coming from North America in recent years. PPG is focused on its coatings and specialty products and expansion into emerging regions, as exemplified by the Comex acquisition.

Market cap 23.2B · 43,500 employees

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

Time Series

Relative Performance

Green: JNJGray: PPG36 of 1,254 points (sampled)

Who Moves First

PPG leads JNJ by 6 days

PPG tends to move before JNJ.

After testing 13 timing shifts, the strongest relationship was -0.258 (they moved in opposite directions).

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

+0.268

10 periods · Return correlation when both series rose

Both Falling

-0.254

11 periods · Return correlation when both series fell

Diverging

-0.618

14 periods · Return correlation when series moved apart

R-Squared

6.5%

Share of variance in one series explained by the other.

Trend Agreement

58.3%

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: [-0.305, -0.202]

Scatter

XY Regression

135.5140160180200220240252.690.8100120140160180187.4Johnson & JohnsonPPG Industries, Inc.Data pointsFit (r = -0.254)

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

JNJ logo

Johnson & Johnson

JNJ

Market cap 580.4B

Stock · 1,254 raw → 1,254 prepared

Series B

PPG logo

PPG Industries, Inc.

PPG

Market cap 23.2B · 43,500 employees

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

29

Estimated crossover points between normalized spreads.

Slope

-0.2545

Linear regression slope.

Intercept

174.1401

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

Saved 4 hours ago · ID: stock-jnj-vs-stock-ppg-daily