Correlation Analysis
Johnson & Johnson vs Merck & Co., Inc.
JNJ vs MRK
+0.018
Near-zero positive
When one moves up, the other tends to follow.
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
Merck & Co., Inc.
↗MRK
Merck makes pharmaceutical products to treat several conditions in a number of therapeutic areas, including cardiometabolic disease, cancer, and infections. Within cancer, the firm's immuno-oncology platform, led by Keytruda, is a major contributor to overall sales. The company also has a substantial vaccine business aimed at preventing pediatric diseases, as well as Gardasil for human papillomavirus. Additionally, Merck sells animal health-related drugs. From a geographical perspective, 47% of the company's sales are generated from US human health (pharmaceuticals and vaccines).
Market cap 298.8B
Time Series
Relative Performance
Who Moves First
MRK leads JNJ by 6 days
MRK tends to move before JNJ.
After testing 13 timing shifts, the strongest relationship was -0.025 (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
+0.397
12 periods · Return correlation when both series rose
Both Falling
-0.109
11 periods · Return correlation when both series fell
Diverging
-0.672
12 periods · Return correlation when series moved apart
R-Squared
0.0%
Share of variance in one series explained by the other.
Trend Agreement
66.8%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,254
Deep shared window — 1,254 usable pairs.
Significance
n.s.
95% CI: [-0.037, 0.073]
Scatter
XY Regression
Pipeline
Data quality details
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
Johnson & Johnson
JNJ
Market cap 580.4B
Stock · 1,254 raw → 1,254 prepared
Series B
Merck & Co., Inc.
MRK
Market cap 298.8B
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
12
Estimated crossover points between normalized spreads.
Slope
0.0154
Linear regression slope.
Intercept
95.6367
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 6 hours ago · ID: stock-jnj-vs-stock-mrk-daily