Correlation Analysis
Toast, Inc. vs Tesla, Inc. Common Stock
TOST vs TSLA
+0.590
Moderate positive
When one moves up, the other tends to follow.
Toast, Inc.
↗TOST
Toast Inc is a cloud-based, all-in-one digital technology platform purpose-built for the restaurant community. The company provides a comprehensive platform of software-as-a-service (SaaS) products and financial technology solutions, including integrated payment processing, restaurant-grade hardware, and a broad ecosystem of third-party partners. It serves as a restaurant operating system, connecting front of house and back of house operations across service models such as dine-in, takeout, and delivery. It operates through one reportable segment consisting of its SaaS products, financial technology solutions, integrated payments, hardware, and partner ecosystem.
Market cap 15.9B · 6,500 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
TOST leads TSLA by 6 days
TOST tends to move before TSLA.
After testing 13 timing shifts, the strongest relationship was +0.614 (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
+0.752
10 periods · Return correlation when both series rose
Both Falling
+0.095
14 periods · Return correlation when both series fell
Diverging
-0.758
11 periods · Return correlation when series moved apart
R-Squared
34.9%
Share of variance in one series explained by the other.
Trend Agreement
63.0%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,139
Deep shared window — 1,139 usable pairs.
Significance
p < 0.001
95% CI: [0.551, 0.627]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,139 paired data points survived the daily window.
Raw input
1,139
1,254
Normalized
1,139
1,254
Prepared
1,139
1,254
Aligned
1,139
1,139
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
115
A: 0 / B: 115
Series A
Toast, Inc.
TOST
Market cap 15.9B · 6,500 employees
Stock · 1,139 raw → 1,139 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
4.8809
Linear regression slope.
Intercept
144.8059
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 7 hours ago · ID: stock-tost-vs-stock-tsla-daily