Correlation Analysis
Amazon.Com Inc vs Rocket Lab Corporation Common Stock
AMZN vs RKLB
+0.723
Strong positive
When one moves up, the other tends to follow.
Amazon.Com Inc
↗AMZN
Amazon is the leading online retailer and marketplace for third party sellers. Retail related revenue represents approximately 74% of total, followed by Amazon Web Services (17%), and advertising services (9%). International segments constitute 22% of Amazon's total revenue, led by Germany, the United Kingdom, and Japan.
Market cap 2.3T
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
Relative Performance
Who Moves First
AMZN leads RKLB by 6 days
AMZN tends to move before RKLB.
After testing 13 timing shifts, the strongest relationship was +0.726 (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
14 periods · Return correlation when both series rose
Both Falling
+0.793
9 periods · Return correlation when both series fell
Diverging
-0.575
12 periods · Return correlation when series moved apart
R-Squared
52.2%
Share of variance in one series explained by the other.
Trend Agreement
63.8%
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: [0.694, 0.749]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,158 paired data points 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
Amazon.Com Inc
AMZN
Market cap 2.3T
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
25
Estimated crossover points between normalized spreads.
Slope
0.3393
Linear regression slope.
Intercept
-38.7747
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
AMZN
Amazon.Com Inc
Highest
+0.941
Grayscale Bitcoin Trust ETF
GBTC · 1,066 data points
Lowest
-0.877
Humana Inc.
HUM · 1,254 data points
RKLB
Rocket Lab Corporation Common Stock
Highest
+0.907
Alphabet Inc. Class C Capital Stock
GOOG · 1,158 data points
Lowest
+0.451
Exxon Mobil Corporation
XOM · 1,158 data points
Saved 5 hours ago · ID: stock-amzn-vs-stock-rklb-daily-20260408-1f3922