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Correlation Analysis

Apple Inc. vs Marriott International Class A Common Stock

AAPL vs MAR

+0.914

Very 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

MAR logo

Marriott International Class A Common Stock

MAR

Marriott operates 1.8 million rooms across roughly 30 brands. At the end of 2025, luxury represented roughly 10% of total rooms, premium was 42%, select service was 46%, and midscale was 2%. Marriott, Courtyard, and Sheraton are the largest brands, while Autograph, Tribute, Moxy, Aloft, and Element are newer lifestyle brands. Managed and franchised represented 99% of total rooms as of Dec. 31, 2025. North America makes up 61% of total rooms. Managed, franchise, and incentive fees represent the vast majority of revenue and profitability for the company.

Market cap 89.5B · 414,000 employees

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

Who Moves First

in sync

AAPL and MAR tend to move at the same time.

Best correlation after shifting: +0.914 (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

-0.394

12 periods · Return correlation when both series rose

Both Falling

+0.921

7 periods · Return correlation when both series fell

Diverging

-0.555

16 periods · Return correlation when series moved apart

R-Squared

83.5%

Share of variance in one series explained by the other.

Trend Agreement

61.6%

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: [0.904, 0.923]

Time Series

Rebased to 100

Green: AAPLGray: MAR36 of 1,254 points (sampled)

Scatter

XY Regression

112.3120140160180200220240260280285.6118.1150200250300350372.6Apple Inc.Marriott International Class A Common StockData pointsFit (r = 0.914)

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

MAR logo

Marriott International Class A Common Stock

MAR

Market cap 89.5B · 414,000 employees

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

51

Estimated crossover points between normalized spreads.

Slope

1.2695

Linear regression slope.

Intercept

-27.9782

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

Saved 3 hours ago · ID: stock-aapl-vs-stock-mar-daily-20260408-7y187c