Correlation Analysis
Nvidia Corp vs West Pharmaceutical Services, Inc.
NVDA vs WST
-0.509
Moderate inverse
When one moves up, the other tends to move down.
Nvidia Corp
↗NVDA
Nvidia is a leading developer of graphics processing units. Traditionally, GPUs were used to enhance the experience on computing platforms, most notably in gaming applications on PCs. GPU use cases have since emerged as important semiconductors used in artificial intelligence to run large language models. Nvidia not only offers AI GPUs, but also a software platform, Cuda, used for AI model development and training. Nvidia is also expanding its data center networking solutions, helping to tie GPUs together to handle complex workloads.
Market cap 4.3T
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
Rebased to 100
Who Moves First
NVDA leads WST by 6 days
NVDA tends to move before WST.
Best correlation after shifting: -0.512 (13 shifts scanned)
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
-0.395
15 periods · Return correlation when both series rose
Both Falling
-0.472
7 periods · Return correlation when both series fell
Diverging
-0.269
13 periods · Return correlation when series moved apart
R-Squared
25.9%
Share of variance in one series explained by the other.
Trend Agreement
57.8%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,254
Deep shared window — 1,254 usable pairs.
Significance
p < 0.001
95% CI: [-0.549, -0.467]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,254 paired observations 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
Nvidia Corp
NVDA
Market cap 4.3T
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
11
Estimated crossover points between normalized spreads.
Slope
-0.5397
Linear regression slope.
Intercept
362.6693
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
NVDA
Nvidia Corp
Highest
+0.983
Arista Networks
ANET · 1,254 observations
Lowest
-0.910
United Parcel Service, Inc. Class B
UPS · 1,254 observations
WST
West Pharmaceutical Services, Inc.
Highest
-0.168
Tesla, Inc. Common Stock
TSLA · 1,254 observations
Lowest
-0.580
Walmart Inc. Common Stock
WMT · 1,254 observations
Saved 3 hours ago · ID: stock-nvda-vs-stock-wst-daily-20260408-xu0xey