Correlation Analysis
Amazon.Com Inc vs PPG Industries, Inc.
AMZN vs PPG
-0.307
Light inverse
When one moves up, the other tends to move down.
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
PPG Industries, Inc.
↗PPG
PPG is a global producer of coatings. The company is the world's largest producer of coatings after the purchase of selected Akzo Nobel assets. PPG's products are sold to a wide variety of end users, including the automotive, aerospace, construction, and industrial markets. The company has a footprint in many regions around the globe, with less than half of sales coming from North America in recent years. PPG is focused on its coatings and specialty products and expansion into emerging regions, as exemplified by the Comex acquisition.
Market cap 23.2B · 43,500 employees
Time Series
Rebased to 100
Who Moves First
AMZN leads PPG by 6 days
AMZN tends to move before PPG.
Best correlation after shifting: -0.319 (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
+0.178
12 periods · Return correlation when both series rose
Both Falling
+0.431
9 periods · Return correlation when both series fell
Diverging
-0.759
14 periods · Return correlation when series moved apart
R-Squared
9.5%
Share of variance in one series explained by the other.
Trend Agreement
58.7%
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: [-0.357, -0.256]
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
PPG Industries, Inc.
PPG
Market cap 23.2B · 43,500 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
13
Estimated crossover points between normalized spreads.
Slope
-0.1416
Linear regression slope.
Intercept
154.8498
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 3 hours ago · ID: stock-amzn-vs-stock-ppg-daily-20260408-mqqrjx