Correlation Analysis
Tesla, Inc. Common Stock vs American Electric Power Company, Inc.
TSLA vs AEP
+0.614
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
American Electric Power Company, Inc.
↗AEP
American Electric Power is one of the largest regulated utilities in the United States, providing electricity generation, transmission, and distribution to more than 5 million customers in 11 states. About 39% of AEP's capacity is coal, with the remainder from a mix of natural gas (28%), renewable energy and hydro (23%), nuclear (7%), and demand response (3%). Vertically integrated utilities, transmission and distribution, and generation and marketing support earnings.
Market cap 71.9B · 17,581 employees
Time Series
Relative Performance
Who Moves First
TSLA leads AEP by 6 days
TSLA tends to move before AEP.
After testing 13 timing shifts, the strongest relationship was +0.623 (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
+0.386
8 periods · Return correlation when both series rose
Both Falling
+0.201
6 periods · Return correlation when both series fell
Diverging
-0.622
21 periods · Return correlation when series moved apart
R-Squared
37.7%
Share of variance in one series explained by the other.
Trend Agreement
50.7%
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: [0.578, 0.647]
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
American Electric Power Company, Inc.
AEP
Market cap 71.9B · 17,581 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
55
Estimated crossover points between normalized spreads.
Slope
0.0938
Linear regression slope.
Intercept
69.3536
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
TSLA
Tesla, Inc. Common Stock
Highest
+0.870
Reddit, Inc.
RDDT · 512 data points
Lowest
-0.817
Elevance Health, Inc.
ELV · 947 data points
AEP
American Electric Power Company, Inc.
Highest
+0.797
Walmart Inc. Common Stock
WMT · 1,254 data points
Lowest
+0.510
Exxon Mobil Corporation
XOM · 1,254 data points
Saved 5 hours ago · ID: stock-tsla-vs-stock-aep-daily-20260408-tf4cwg