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Correlation Analysis

Apple Inc. vs United Parcel Service, Inc. Class B

AAPL vs UPS

-0.822

Strong 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

UPS logo

United Parcel Service, Inc. Class B

UPS

As the world's largest parcel delivery company, UPS manages a massive fleet of more than 500 planes and 100,000 vehicles, along with many hundreds of sorting facilities, to deliver an average of about 22 million packages per day to residences and businesses across the globe. UPS' domestic US package operations generate around 65% of total revenue, while international package makes up 20%. Air and ocean freight forwarding and contract logistics make up the remainder.

Market cap 82.6B · 460,000 employees

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

Time Series

Rebased to 100

Green: AAPLGray: UPS36 of 1,254 points (sampled)

Who Moves First

UPS leads AAPL by 6 days

UPS tends to move before AAPL.

Best correlation after shifting: -0.829 (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

+0.313

11 periods · Return correlation when both series rose

Both Falling

-0.102

9 periods · Return correlation when both series fell

Diverging

-0.557

15 periods · Return correlation when series moved apart

R-Squared

67.6%

Share of variance in one series explained by the other.

Trend Agreement

61.5%

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: [-0.839, -0.803]

Scatter

XY Regression

112.3120140160180200220240260280285.673.480100120140160180200220224.4Apple Inc.United Parcel Service, Inc. Class BData pointsFit (r = -0.822)

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

UPS logo

United Parcel Service, Inc. Class B

UPS

Market cap 82.6B · 460,000 employees

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

9

Estimated crossover points between normalized spreads.

Slope

-0.7932

Linear regression slope.

Intercept

304.7649

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

Saved 3 hours ago · ID: stock-aapl-vs-stock-ups-daily-20260408-erqo0k