Correlation Analysis
Tesla, Inc. Common Stock vs Pfizer Inc.
TSLA vs PFE
-0.256
Light inverse
When one moves up, the other tends to move down.
Tesla, Inc. Common Stock
↗TSLA
Tesla is a vertically integrated battery electric vehicle automaker and developer of real world artificial intelligence software, which includes autonomous driving and humanoid robots. The company has multiple vehicles in its fleet, which include luxury and midsize sedans, crossover SUVs, a light truck, and a semi truck. Tesla also plans to begin selling a sports car and offer a robotaxi service. Global deliveries in 2025 were nearly 1.64 million vehicles. The company sells batteries for stationary storage for residential and commercial properties including utilities and solar panels and solar roofs for energy generation. Tesla also owns a fast-charging network and an auto insurance business.
Market cap 1.3T
Pfizer Inc.
↗PFE
Pfizer is one of the world's largest pharmaceutical firms, with annual sales of roughly $60 billion. While it historically sold many types of healthcare products and chemicals, now prescription drugs and vaccines account for the majority of sales. Top sellers include pneumococcal vaccine Prevnar 13 and cardiology drugs Vyndaqel and Eliquis. Pfizer sells these products globally, with international sales representing 40% of total sales. Within international sales, emerging markets are a major contributor.
Market cap 158.3B
Time Series
Rebased to 100
Who Moves First
PFE leads TSLA by 6 days
PFE tends to move before TSLA.
Best correlation after shifting: -0.268 (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
-0.393
8 periods · Return correlation when both series rose
Both Falling
-0.040
10 periods · Return correlation when both series fell
Diverging
-0.542
17 periods · Return correlation when series moved apart
R-Squared
6.6%
Share of variance in one series explained by the other.
Trend Agreement
54.1%
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: [-0.307, -0.203]
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
Tesla, Inc. Common Stock
TSLA
Market cap 1.3T
Stock · 1,254 raw → 1,254 prepared
Series B
Pfizer Inc.
PFE
Market cap 158.3B
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
37
Estimated crossover points between normalized spreads.
Slope
-0.0315
Linear regression slope.
Intercept
44.4999
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 3 hours ago · ID: stock-tsla-vs-stock-pfe-daily-20260408-p8r6mw