Correlation Analysis
Amazon.Com Inc vs Coherent Corp.
AMZN vs COHR
+0.216
Light 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
Coherent Corp.
↗COHR
Coherent Corp is a vertically integrated manufacturing company that develops, manufactures, and markets lasers, transceivers, and other optical and optoelectronic devices, modules, and systems, as well as engineered materials, for use in the communications, industrial, instrumentation, and electronics markets. Its reporting segments are Datacenter Communications and Industrial. Its geographic areas are North America, Europe, China, Japan, and the rest of the world.
Market cap 47.5B · 30,000 employees
Time Series
Rebased to 100
Who Moves First
AMZN leads COHR by 6 days
AMZN tends to move before COHR.
Best correlation after shifting: +0.237 (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
+0.359
14 periods · Return correlation when both series rose
Both Falling
+0.695
10 periods · Return correlation when both series fell
Diverging
-0.453
11 periods · Return correlation when series moved apart
R-Squared
4.7%
Share of variance in one series explained by the other.
Trend Agreement
65.9%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,207
Deep shared window — 1,207 usable pairs.
Significance
p < 0.001
95% CI: [0.162, 0.270]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,207 paired observations survived the daily window.
Raw input
1,254
1,207
Normalized
1,254
1,207
Prepared
1,254
1,207
Aligned
1,207
1,207
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
47
A: 47 / B: 0
Series A
Amazon.Com Inc
AMZN
Market cap 2.3T
Stock · 1,254 raw → 1,254 prepared
Series B
Coherent Corp.
COHR
Market cap 47.5B · 30,000 employees
Stock · 1,207 raw → 1,207 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
10
Estimated crossover points between normalized spreads.
Slope
0.4692
Linear regression slope.
Intercept
46.9873
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 3 hours ago · ID: stock-amzn-vs-stock-cohr-daily-20260408-0pkjhi