Correlation Analysis
Amazon.Com Inc vs Ciena Corporation
AMZN vs CIEN
+0.541
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
Ciena Corporation
↗CIEN
Ciena is a telecommunications equipment provider focused on optical transport technologies, with clients in a number of industries such as communication services providers, web-scale providers, cable operators, government, and large enterprises worldwide. The company provides equipment, software, and services that support transport, switching, aggregation, service delivery, and data traffic management.
Market cap 61.4B · 9,080 employees
Time Series
Rebased to 100
Who Moves First
AMZN leads CIEN by 6 days
AMZN tends to move before CIEN.
Best correlation after shifting: +0.549 (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
-0.021
16 periods · Return correlation when both series rose
Both Falling
+0.779
6 periods · Return correlation when both series fell
Diverging
-0.535
13 periods · Return correlation when series moved apart
R-Squared
29.2%
Share of variance in one series explained by the other.
Trend Agreement
65.2%
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: [0.500, 0.579]
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
Ciena Corporation
CIEN
Market cap 61.4B · 9,080 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
39
Estimated crossover points between normalized spreads.
Slope
0.8500
Linear regression slope.
Intercept
-63.3779
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 3 hours ago · ID: stock-amzn-vs-stock-cien-daily-20260408-aais20