Correlation Analysis
Apple Inc. vs Centene Corporation
AAPL vs CNC
-0.698
Strong inverse
When one moves up, the other tends to move down.
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
Centene Corporation
↗CNC
Centene is a managed care organization that focuses on government-sponsored healthcare plans, including Medicaid, Medicare, and the individual exchanges. Centene served 20 million medical members as of December 2025, mostly in Medicaid (about 64% of membership), the individual exchanges (about 28%), and Medicare (about 5%). The company also provides Medicare Part D pharmaceutical plans.
Market cap 17.4B · 61,100 employees
Time Series
Relative Performance
Who Moves First
CNC leads AAPL by 6 days
CNC tends to move before AAPL.
After testing 13 timing shifts, the strongest relationship was -0.706 (they moved in opposite directions).
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
+0.195
9 periods · Return correlation when both series rose
Both Falling
+0.133
8 periods · Return correlation when both series fell
Diverging
-0.434
18 periods · Return correlation when series moved apart
R-Squared
48.7%
Share of variance in one series explained by the other.
Trend Agreement
54.3%
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: [-0.725, -0.668]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,254 paired data points 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
Apple Inc.
AAPL
Market cap 3.8T
Stock · 1,254 raw → 1,254 prepared
Series B
Centene Corporation
CNC
Market cap 17.4B · 61,100 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
19
Estimated crossover points between normalized spreads.
Slope
-0.2679
Linear regression slope.
Intercept
117.0895
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 5 hours ago · ID: stock-aapl-vs-stock-cnc-daily-20260408-10ysko