Correlation Analysis
Regions Financial Corp. vs Tesla, Inc. Common Stock
RF vs TSLA
+0.700
Strong positive
When one moves up, the other tends to follow.
Regions Financial Corp.
↗RF
Regions Financial is one of the midsized regional banks in the US, with around $160 billion in total assets as of Dec. 30, 2025. Headquartered in Birmingham, Alabama, Regions Financial has a footprint mostly in the US Southeast. The bank provides a diversified set of financial services in retail banking, commercial banking, card and treasury management, wealth management, and capital markets.
Market cap 22.8B · 19,969 employees
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
Time Series
Relative Performance
Who Moves First
in sync
RF and TSLA tend to move at the same time.
After testing 13 timing shifts, the strongest relationship was +0.700 (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
+0.589
11 periods · Return correlation when both series rose
Both Falling
-0.179
8 periods · Return correlation when both series fell
Diverging
-0.506
16 periods · Return correlation when series moved apart
R-Squared
49.0%
Share of variance in one series explained by the other.
Trend Agreement
59.8%
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: [0.671, 0.727]
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
Regions Financial Corp.
RF
Market cap 22.8B · 19,969 employees
Stock · 1,254 raw → 1,254 prepared
Series B
Tesla, Inc. Common Stock
TSLA
Market cap 1.3T
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
33
Estimated crossover points between normalized spreads.
Slope
19.0748
Linear regression slope.
Intercept
-141.5005
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 4 hours ago · ID: stock-rf-vs-stock-tsla-daily