Correlation Analysis
Johnson & Johnson vs West Pharmaceutical Services, Inc.
JNJ vs WST
-0.280
Light inverse
When one moves up, the other tends to move down.
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
West Pharmaceutical Services, Inc.
↗WST
West Pharmaceutical Services is based in Pennsylvania and is a key supplier to firms in the pharmaceutical, biotechnology, and generic drug industries. West sells elastomer-based packaging components (including stoppers, seals, and plungers), nonglass containment solutions, and auto-injectors for injectable drugs, which include large-molecule biologics, peptides such as GLP-1 receptor agonists, and small-molecule drugs. The company reports in two segments: proprietary products (about 80% of total revenue) and contract-manufactured products (about 20% of total revenue). It generates approximately 55% of its revenue from international markets and 45% from the United States.
Market cap 18.5B · 10,800 employees
Time Series
Relative Performance
Who Moves First
WST leads JNJ by 6 days
WST tends to move before JNJ.
After testing 13 timing shifts, the strongest relationship was -0.289 (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
-0.260
11 periods · Return correlation when both series rose
Both Falling
-0.124
8 periods · Return correlation when both series fell
Diverging
-0.511
16 periods · Return correlation when series moved apart
R-Squared
7.8%
Share of variance in one series explained by the other.
Trend Agreement
57.4%
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: [-0.330, -0.228]
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
West Pharmaceutical Services, Inc.
WST
Market cap 18.5B · 10,800 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
18
Estimated crossover points between normalized spreads.
Slope
-0.9350
Linear regression slope.
Intercept
479.1705
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
JNJ
Johnson & Johnson
Highest
+0.943
Sandisk Corporation Common Stock
SNDK · 281 data points
Lowest
-0.621
Kimberly-Clark Corp.
KMB · 1,254 data points
WST
West Pharmaceutical Services, Inc.
Highest
-0.168
Tesla, Inc. Common Stock
TSLA · 1,254 data points
Lowest
-0.580
Walmart Inc. Common Stock
WMT · 1,254 data points
Saved 7 hours ago · ID: stock-jnj-vs-stock-wst-daily