Correlation Analysis
Amazon.Com Inc vs Pultegroup, Inc.
AMZN vs PHM
+0.754
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
Pultegroup, Inc.
↗PHM
PulteGroup Inc is a homebuilder in the United States. The company mainly builds single-family detached homes and offers products to entry-level, move-up, and active-adult buyers. It also offers homebuyers mortgage financing, title, and insurance agency services through its financial services segment.
Market cap 23B · 6,506 employees
Time Series
Relative Performance
Who Moves First
PHM leads AMZN by 6 days
PHM tends to move before AMZN.
After testing 13 timing shifts, the strongest relationship was +0.763 (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
+0.199
12 periods · Return correlation when both series rose
Both Falling
-0.280
7 periods · Return correlation when both series fell
Diverging
-0.667
16 periods · Return correlation when series moved apart
R-Squared
56.9%
Share of variance in one series explained by the other.
Trend Agreement
60.7%
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: [0.729, 0.777]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,254 paired data points 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
Pultegroup, Inc.
PHM
Market cap 23B · 6,506 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
18
Estimated crossover points between normalized spreads.
Slope
0.5993
Linear regression slope.
Intercept
-15.4750
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 5 hours ago · ID: stock-amzn-vs-stock-phm-daily-20260408-gorg6a