CorrlensCorrlens
Correlate

Correlation Analysis

Apple Inc. vs McDonald's Corporation

AAPL vs MCD

+0.796

Strong positive

When one moves up, the other tends to follow.

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

M

McDonald's Corporation

MCD

McDonald's is the world's largest restaurant brand, with nearly $139 billion in systemwide sales across more than 45,000 restaurants and over 100 markets. The quick-service chain built its early reputation on speed, consistency, and affordable hamburgers, and today its global menu spans burgers, chicken, breakfast, and beverages that have helped popularize American fast-food cuisine worldwide. The firm derives the bulk of its revenue from franchise royalties and rent (about 62%), with the remainder stemming from company-operated restaurants across three segments: the United States (39% of systemwide sales), international operated markets (35%), and international developmental/licensed markets (26%).

Market cap 220.6B

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

Who Moves First

in sync

AAPL and MCD tend to move at the same time.

Best correlation after shifting: +0.796 (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

+0.304

14 periods · Return correlation when both series rose

Both Falling

-0.321

9 periods · Return correlation when both series fell

Diverging

-0.626

12 periods · Return correlation when series moved apart

R-Squared

63.3%

Share of variance in one series explained by the other.

Trend Agreement

59.6%

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: [0.774, 0.815]

Time Series

Rebased to 100

Green: AAPLGray: MCD36 of 1,254 points (sampled)

Scatter

XY Regression

112.3120140160180200220240260280285.6223.4240260280300320340340.1Apple Inc.McDonald's CorporationData pointsFit (r = 0.796)

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

M

McDonald's Corporation

MCD

Market cap 220.6B

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

61

Estimated crossover points between normalized spreads.

Slope

0.5149

Linear regression slope.

Intercept

179.2067

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

Saved 3 hours ago · ID: stock-aapl-vs-stock-mcd-daily-20260408-t6ceik