Correlation Analysis
Apple Inc. vs Cencora, Inc.
AAPL vs COR
+0.881
Very strong positive
When one moves up, the other tends to follow.
Apple Inc.
↗AAPL
Apple is among the largest companies in the world, with a broad portfolio of hardware and software products targeted at consumers and businesses. Apple's iPhone makes up a majority of the firm sales, and Apple's other products like Mac, iPad, and Watch are designed around the iPhone as the focal point of an expansive software ecosystem. Apple has progressively worked to add new applications, like streaming video, subscription bundles, and augmented reality. The firm designs its own software and semiconductors while working with subcontractors like Foxconn and TSMC to build its products and chips. Slightly less than half of Apple's sales come directly through its flagship stores, with a majority of sales coming indirectly through partnerships and distribution.
Market cap 3.8T

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
Relative Performance
Who Moves First
AAPL leads COR by 2 days
AAPL tends to move before COR.
After testing 13 timing shifts, the strongest relationship was +0.881 (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
+0.364
19 periods · Return correlation when both series rose
Both Falling
+0.395
5 periods · Return correlation when both series fell
Diverging
-0.825
11 periods · Return correlation when series moved apart
R-Squared
77.6%
Share of variance in one series explained by the other.
Trend Agreement
48.6%
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: [0.864, 0.895]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
834 paired data points 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
Apple Inc.
AAPL
Market cap 3.8T
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
9
Estimated crossover points between normalized spreads.
Slope
1.4224
Linear regression slope.
Intercept
-52.3620
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 5 hours ago · ID: stock-aapl-vs-stock-cor-daily-20260408-m7j2ji