Correlation Analysis
Tesla, Inc. Common Stock vs Cardinal Health, Inc.
TSLA vs CAH
+0.567
Moderate positive
When one moves up, the other tends to follow.
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
Cardinal Health, Inc.
↗CAH
Cardinal Health is one of three leading pharmaceutical wholesalers in the US, engaged in sourcing and distributing of branded, generic, and specialty pharmaceutical products to pharmacies (retail chains, independent, and mail order), hospital networks, and healthcare providers. Cardinal, Cencora, and McKesson hold well over 90% of the US pharmaceutical wholesale industry. Cardinal Health also supplies medical-surgical products and equipment to healthcare facilities in North America, Europe, and Asia.
Market cap 50B · 57,700 employees
Time Series
Relative Performance
Who Moves First
TSLA leads CAH by 6 days
TSLA tends to move before CAH.
After testing 13 timing shifts, the strongest relationship was +0.570 (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
+0.318
11 periods · Return correlation when both series rose
Both Falling
N/A
3 periods · Return correlation when both series fell
Diverging
-0.510
21 periods · Return correlation when series moved apart
R-Squared
32.1%
Share of variance in one series explained by the other.
Trend Agreement
50.9%
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: [0.528, 0.603]
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
Tesla, Inc. Common Stock
TSLA
Market cap 1.3T
Stock · 1,254 raw → 1,254 prepared
Series B
Cardinal Health, Inc.
CAH
Market cap 50B · 57,700 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
48
Estimated crossover points between normalized spreads.
Slope
0.3133
Linear regression slope.
Intercept
15.8684
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 5 hours ago · ID: stock-tsla-vs-stock-cah-daily-20260408-zn6wcw