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Correlate

Correlation Analysis

Johnson & Johnson vs Monolithic Power Systems, Inc.

JNJ vs MPWR

+0.475

Moderate positive

When one moves up, the other tends to follow.

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

MPWR logo

Monolithic Power Systems, Inc.

MPWR

Monolithic Power Systems is an analog and mixed-signal chipmaker specializing in power management solutions. Its mission is to reduce total energy consumption in end systems. It serves the computing, automotive, industrial, communications, and consumer end markets. MPS uses a fabless manufacturing model, partnering with third-party chip foundries to host its proprietary BCD process technology.

Market cap 58B · 4,501 employees

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

Time Series

Relative Performance

Green: JNJGray: MPWR36 of 1,254 points (sampled)

Who Moves First

MPWR leads JNJ by 6 days

MPWR tends to move before JNJ.

After testing 13 timing shifts, the strongest relationship was +0.476 (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

+0.449

11 periods · Return correlation when both series rose

Both Falling

+0.573

7 periods · Return correlation when both series fell

Diverging

-0.682

17 periods · Return correlation when series moved apart

R-Squared

22.6%

Share of variance in one series explained by the other.

Trend Agreement

50.5%

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: [0.431, 0.517]

Scatter

XY Regression

135.5140160180200220240252.62714006008001,0001,2001,259Johnson & JohnsonMonolithic Power Systems, Inc.Data pointsFit (r = 0.475)

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

MPWR logo

Monolithic Power Systems, Inc.

MPWR

Market cap 58B · 4,501 employees

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

15

Estimated crossover points between normalized spreads.

Slope

5.1466

Linear regression slope.

Intercept

-261.3816

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

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