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Correlation Analysis

Apple Inc. vs UNITEDHEALTH GROUP INCORPORATED (Delaware)

AAPL vs UNH

-0.310

Light inverse

When one moves up, the other tends to move down.

AAPL logo

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

UNH logo

UNITEDHEALTH GROUP INCORPORATED (Delaware)

UNH

UnitedHealth Group is one of the largest private health insurers and provides medical benefits to about 51 million members globally, including 1 million outside the US as of December 2025. As a leader in employer-sponsored, self-directed, and government-backed insurance plans, UnitedHealth has obtained massive scale in medical insurance. Along with its insurance assets, UnitedHealth's Optum franchises help create a healthcare services colossus that spans everything from pharmaceutical benefits to providing outpatient care and analytics to affiliates and third parties.

Market cap 255.4B

Apr 9, 2021 — Apr 7, 2026Daily1,254 observationsStockStockTechnologyHealthcare

Time Series

Rebased to 100

Green: AAPLGray: UNH36 of 1,254 points (sampled)

Who Moves First

AAPL leads UNH by 3 days

AAPL tends to move before UNH.

Best correlation after shifting: -0.311 (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

+0.315

10 periods · Return correlation when both series rose

Both Falling

-0.530

7 periods · Return correlation when both series fell

Diverging

-0.400

18 periods · Return correlation when series moved apart

R-Squared

9.6%

Share of variance in one series explained by the other.

Trend Agreement

57.2%

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: [-0.359, -0.259]

Scatter

XY Regression

112.3120140160180200220240260280285.6257.2300350400450500550600619.1Apple Inc.UNITEDHEALTH GROUP INCORPORATED (Delaware)Data pointsFit (r = -0.31)

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

AAPL logo

Apple Inc.

AAPL

Market cap 3.8T

Stock · 1,254 raw → 1,254 prepared

Series B

UNH logo

UNITEDHEALTH GROUP INCORPORATED (Delaware)

UNH

Market cap 255.4B

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

28

Estimated crossover points between normalized spreads.

Slope

-0.6487

Linear regression slope.

Intercept

585.4078

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

Saved 3 hours ago · ID: stock-aapl-vs-stock-unh-daily-20260408-dhzqe3