Correlation Analysis
Amazon.Com Inc vs Stryker Corporation
AMZN vs SYK
+0.816
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
Stryker Corporation
↗SYK
Stryker designs, manufactures, and markets an array of medical equipment, instruments, consumable supplies, and implantable devices. The product portfolio includes hip and knee replacements, extremities, endoscopy systems, operating room equipment, embolic coils, hospital beds and gurneys, and orthopedic robotics. Stryker remains one of the three largest competitors in reconstructive orthopedic implants and holds the leadership position in operating room equipment. Roughly one-fourth of Stryker's total revenue currently comes from outside the United States.
Market cap 127.3B · 56,000 employees
Time Series
Rebased to 100
Who Moves First
SYK leads AMZN by 6 days
SYK tends to move before AMZN.
Best correlation after shifting: +0.821 (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
-0.008
13 periods · Return correlation when both series rose
Both Falling
+0.571
8 periods · Return correlation when both series fell
Diverging
-0.589
14 periods · Return correlation when series moved apart
R-Squared
66.6%
Share of variance in one series explained by the other.
Trend Agreement
62.2%
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: [0.797, 0.834]
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
Stryker Corporation
SYK
Market cap 127.3B · 56,000 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
36
Estimated crossover points between normalized spreads.
Slope
1.1007
Linear regression slope.
Intercept
121.4600
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 3 hours ago · ID: stock-amzn-vs-stock-syk-daily-20260408-we55n2