Correlation Analysis
Amazon.Com Inc vs KLA Corporation Common Stock
AMZN vs KLAC
+0.745
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
KLA Corporation Common Stock
↗KLAC
KLA is one of the largest semiconductor wafer fabrication equipment, or WFE, manufacturers in the world. It specializes in the market segment of semiconductor process control, wherein machines inspect semiconductor wafers during research and development and manufacturing for defects and verify precise measurements. In this section of the market, KLA holds a majority share. It also has a small exposure to the etch and deposition segments of the WFE market. It counts as top customers the largest chipmakers in the world, including TSMC and Samsung.
Market cap 201.9B · 15,200 employees
Time Series
Relative Performance
Who Moves First
in sync
AMZN and KLAC tend to move at the same time.
After testing 13 timing shifts, the strongest relationship was +0.745 (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
+0.727
15 periods · Return correlation when both series rose
Both Falling
+0.850
6 periods · Return correlation when both series fell
Diverging
-0.466
14 periods · Return correlation when series moved apart
R-Squared
55.5%
Share of variance in one series explained by the other.
Trend Agreement
66.2%
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: [0.719, 0.769]
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
KLA Corporation Common Stock
KLAC
Market cap 201.9B · 15,200 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
11
Estimated crossover points between normalized spreads.
Slope
5.4336
Linear regression slope.
Intercept
-294.8400
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 5 hours ago · ID: stock-amzn-vs-stock-klac-daily-20260408-0s5jbu