Correlation Analysis
Tesla, Inc. Common Stock vs Roblox Corporation
TSLA vs RBLX
+0.615
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
Roblox Corporation
↗RBLX
Roblox operates a free-to-play online video game platform with nearly 150 million daily active users. This platform has spawned a virtual universe and a Roblox economy based on the Robux currency. The platform houses millions of games from a wide range of creators—spanning from young gamers themselves to professional development studios. Roblox offers creators the tools, publishing abilities, and platform for their games, enabling anyone to create a game. Creators earn money when gamers make optional in-game purchases within their games and by offering space for real-world advertising, and Roblox earns revenue primarily by taking a cut of these earnings.
Market cap 40.5B · 3,065 employees
Time Series
Rebased to 100
Who Moves First
RBLX leads TSLA by 6 days
RBLX tends to move before TSLA.
Best correlation after shifting: +0.630 (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
+0.536
10 periods · Return correlation when both series rose
Both Falling
+0.025
9 periods · Return correlation when both series fell
Diverging
-0.561
16 periods · Return correlation when series moved apart
R-Squared
37.8%
Share of variance in one series explained by the other.
Trend Agreement
64.4%
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: [0.579, 0.648]
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
Roblox Corporation
RBLX
Market cap 40.5B · 3,065 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
57
Estimated crossover points between normalized spreads.
Slope
0.2094
Linear regression slope.
Intercept
2.0491
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 3 hours ago · ID: stock-tsla-vs-stock-rblx-daily-20260408-amj5ds