Correlation Analysis
Equity Residential vs Tesla, Inc. Common Stock
EQR vs TSLA
+0.151
Weak positive
When one moves up, the other tends to follow.
Equity Residential
↗EQR
Equity Residential owns a portfolio of 318 apartment communities with over 86,000 units and is developing three additional properties with 935 units. The company focuses on owning large, high-quality properties in the urban and suburban submarkets of Southern California, San Francisco, Washington, D.C., New York, Seattle, and Boston.
Market cap 22.7B · 2,400 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
EQR leads TSLA by 6 days
EQR tends to move before TSLA.
After testing 13 timing shifts, the strongest relationship was +0.162 (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
+0.293
12 periods · Return correlation when both series rose
Both Falling
+0.491
10 periods · Return correlation when both series fell
Diverging
-0.666
13 periods · Return correlation when series moved apart
R-Squared
2.3%
Share of variance in one series explained by the other.
Trend Agreement
57.6%
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: [0.097, 0.205]
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
Equity Residential
EQR
Market cap 22.7B · 2,400 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
39
Estimated crossover points between normalized spreads.
Slope
1.3608
Linear regression slope.
Intercept
178.9970
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 4 hours ago · ID: stock-eqr-vs-stock-tsla-daily