Correlation Analysis
Amazon.Com Inc vs MKS Inc. Common Stock
AMZN vs MKSI
+0.421
Moderate 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
MKS Inc. Common Stock
↗MKSI
MKS Inc delivers foundational technology solutions for leading edge semiconductor manufacturing, electronics and packaging, and specialty industrial applications. The company provides instruments, components, subsystems, systems, process control solutions, and specialty chemicals technology that improve process performance and optimize productivity. Its solutions address challenges of miniaturization and complexity in device manufacturing, enabling increased power, speed, and feature enhancement. MKS Inc operates through three divisions: Vacuum Solutions Division (VSD), Photonics Solutions Division (PSD), and Materials Solutions Division (MSD). The company operates in the United States, which generates maximum revenue, as well as China and other countries.
Market cap 16B · 10,300 employees
Time Series
Rebased to 100
Who Moves First
AMZN leads MKSI by 6 days
AMZN tends to move before MKSI.
Best correlation after shifting: +0.430 (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
+0.595
12 periods · Return correlation when both series rose
Both Falling
+0.392
8 periods · Return correlation when both series fell
Diverging
-0.701
15 periods · Return correlation when series moved apart
R-Squared
17.7%
Share of variance in one series explained by the other.
Trend Agreement
66.9%
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: [0.374, 0.466]
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
MKS Inc. Common Stock
MKSI
Market cap 16B · 10,300 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
12
Estimated crossover points between normalized spreads.
Slope
0.3814
Linear regression slope.
Intercept
58.7693
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 3 hours ago · ID: stock-amzn-vs-stock-mksi-daily-20260408-1mz2k9