Correlation Analysis
Amazon.Com Inc vs United Airlines Holdings, Inc. Common Stock
AMZN vs UAL
+0.801
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
United Airlines Holdings, Inc. Common Stock
↗UAL
Chicago-based United Airlines is a major US network carrier with hubs in San Francisco, Chicago, Houston, Denver, Los Angeles, Newark, and Washington, D.C. United operates a hub-and-spoke system that is more focused on international and long-haul travel, especially across the Pacific, than its large US peers.
Market cap 29.4B · 113,200 employees
Time Series
Rebased to 100
Who Moves First
in sync
AMZN and UAL tend to move at the same time.
Best correlation after shifting: +0.801 (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
+0.151
13 periods · Return correlation when both series rose
Both Falling
+0.827
6 periods · Return correlation when both series fell
Diverging
-0.676
16 periods · Return correlation when series moved apart
R-Squared
64.2%
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
1,254
Deep shared window — 1,254 usable pairs.
Significance
p < 0.001
95% CI: [0.780, 0.820]
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
Amazon.Com Inc
AMZN
Market cap 2.3T
Stock · 1,254 raw → 1,254 prepared
Series B
United Airlines Holdings, Inc. Common Stock
UAL
Market cap 29.4B · 113,200 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
40
Estimated crossover points between normalized spreads.
Slope
0.4448
Linear regression slope.
Intercept
-14.3899
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
AMZN
Amazon.Com Inc
Highest
+0.941
Grayscale Bitcoin Trust ETF
GBTC · 1,066 observations
Lowest
-0.877
Humana Inc.
HUM · 1,254 observations
UAL
United Airlines Holdings, Inc. Common Stock
Highest
+0.914
Walmart Inc. Common Stock
WMT · 1,254 observations
Lowest
+0.440
Johnson & Johnson
JNJ · 1,254 observations
Saved 3 hours ago · ID: stock-amzn-vs-stock-ual-daily-20260408-ik13d1