Correlation Analysis
Tesla, Inc. Common Stock vs Duke Energy Corporation
TSLA vs DUK
+0.624
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
Duke Energy Corporation
↗DUK
Duke Energy is one of the largest US utilities, with subsidiaries in the Carolinas, Indiana, Florida, Ohio, and Kentucky that deliver electricity to more than 8 million customers. Its natural gas utilities serve more than 1.6 million customers.
Market cap 102.3B · 26,441 employees
Time Series
Rebased to 100
Who Moves First
DUK leads TSLA by 6 days
DUK tends to move before TSLA.
Best correlation after shifting: +0.631 (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
+0.313
10 periods · Return correlation when both series rose
Both Falling
+0.178
6 periods · Return correlation when both series fell
Diverging
-0.646
19 periods · Return correlation when series moved apart
R-Squared
39.0%
Share of variance in one series explained by the other.
Trend Agreement
47.0%
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: [0.589, 0.657]
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
Duke Energy Corporation
DUK
Market cap 102.3B · 26,441 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
45
Estimated crossover points between normalized spreads.
Slope
0.0823
Linear regression slope.
Intercept
83.4870
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
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