Correlation Analysis
Tesla, Inc. Common Stock vs Rocket Lab Corporation Common Stock
TSLA vs RKLB
+0.781
Strong 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
Rocket Lab Corporation Common Stock
↗RKLB
Rocket Lab Corp is engaged in space, building rockets, and spacecraft. It provides end-to-end mission services that provide frequent and reliable access to space for civil, defense, and commercial markets. It designs and manufactures the Electron and Neutron launch vehicles and Photon satellite platform. Rocket Lab's Electron launch vehicle has delivered multiple satellites to orbit for private and public sector organizations, enabling operations in national security, scientific research, space debris mitigation, Earth observation, climate monitoring, and communications. The business operates in two segments Launch Services and Space Systems. Geographically it serves Japan, and rest of the world and earns key revenue from the United States.
Market cap 38.5B · 2,600 employees
Time Series
Rebased to 100
Who Moves First
TSLA leads RKLB by 5 days
TSLA tends to move before RKLB.
Best correlation after shifting: +0.783 (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
+0.190
15 periods · Return correlation when both series rose
Both Falling
+0.688
11 periods · Return correlation when both series fell
Diverging
-0.450
9 periods · Return correlation when series moved apart
R-Squared
61.1%
Share of variance in one series explained by the other.
Trend Agreement
67.9%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,158
Deep shared window — 1,158 usable pairs.
Significance
p < 0.001
95% CI: [0.758, 0.803]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,158 paired observations survived the daily window.
Raw input
1,254
1,158
Normalized
1,254
1,158
Prepared
1,254
1,158
Aligned
1,158
1,158
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
96
A: 96 / B: 0
Series A
Tesla, Inc. Common Stock
TSLA
Market cap 1.3T
Stock · 1,254 raw → 1,254 prepared
Series B
Rocket Lab Corporation Common Stock
RKLB
Market cap 38.5B · 2,600 employees
Stock · 1,158 raw → 1,158 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
43
Estimated crossover points between normalized spreads.
Slope
0.1900
Linear regression slope.
Intercept
-35.1984
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
TSLA
Tesla, Inc. Common Stock
Highest
+0.870
Reddit, Inc.
RDDT · 512 observations
Lowest
-0.817
Elevance Health, Inc.
ELV · 947 observations
RKLB
Rocket Lab Corporation Common Stock
Highest
+0.907
Alphabet Inc. Class C Capital Stock
GOOG · 1,158 observations
Lowest
+0.451
Exxon Mobil Corporation
XOM · 1,158 observations
Saved 3 hours ago · ID: stock-tsla-vs-stock-rklb-daily-20260408-b2zaqs