Correlation Analysis
Amazon.Com Inc vs Cencora, Inc.
AMZN vs COR
+0.735
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

Cencora, Inc.
↗COR
Cencora is one of three leading domestic pharmaceutical wholesalers. It sources and distributes branded, generic, and specialty pharmaceutical products to pharmacies (retail chains, independent, and mail order), hospital networks, and healthcare providers. It and McKesson and Cardinal Health hold over 90% share of the US pharmaceutical wholesale industry. Cencora also provides commercialization services for manufacturers of pharmaceuticals and medical devices, global specialty drug logistics (World Courier), and animal health product distribution (MWI Animal Health). Cencora expanded its international presence in 2021 by purchasing Alliance Healthcare, one of the leading drug wholesalers in Europe.
Market cap 62.4B · 51,000 employees
Time Series
Rebased to 100
Who Moves First
COR leads AMZN by 6 days
COR tends to move before AMZN.
Best correlation after shifting: +0.739 (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
+0.334
17 periods · Return correlation when both series rose
Both Falling
N/A
4 periods · Return correlation when both series fell
Diverging
-0.673
14 periods · Return correlation when series moved apart
R-Squared
54.0%
Share of variance in one series explained by the other.
Trend Agreement
48.3%
How often both series moved in the same direction period-to-period.
Overlap Quality
834
Deep shared window — 834 usable pairs.
Significance
p < 0.001
95% CI: [0.702, 0.765]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
834 paired observations survived the daily window.
Raw input
1,254
834
Normalized
1,254
834
Prepared
1,254
834
Aligned
834
834
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
420
A: 420 / B: 0
Series A
Amazon.Com Inc
AMZN
Market cap 2.3T
Stock · 1,254 raw → 1,254 prepared
Series B

Cencora, Inc.
COR
Market cap 62.4B · 51,000 employees
Stock · 834 raw → 834 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
21
Estimated crossover points between normalized spreads.
Slope
1.6834
Linear regression slope.
Intercept
-82.9412
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 3 hours ago · ID: stock-amzn-vs-stock-cor-daily-20260408-n1u6jg