Correlation Analysis
Microsoft Corp vs Marriott International Class A Common Stock
MSFT vs MAR
+0.859
Very strong positive
When one moves up, the other tends to follow.
Microsoft Corp
↗MSFT
Microsoft develops and licenses consumer and enterprise software. It is known for its Windows operating systems and Office productivity suite. The company is organized into three equally sized broad segments: productivity and business processes (legacy Microsoft Office, cloud-based Office 365, Exchange, SharePoint, Skype, LinkedIn, Dynamics), intelligence cloud (infrastructure- and platform-as-a-service offerings Azure, Windows Server OS, SQL Server), and more personal computing (Windows Client, Xbox, Bing search, display advertising, and Surface laptops, tablets, and desktops).
Market cap 2.8T
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
Who Moves First
MSFT leads MAR by 6 days
MSFT tends to move before MAR.
Best correlation after shifting: +0.868 (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
+0.616
14 periods · Return correlation when both series rose
Both Falling
+0.632
8 periods · Return correlation when both series fell
Diverging
-0.797
13 periods · Return correlation when series moved apart
R-Squared
73.8%
Share of variance in one series explained by the other.
Trend Agreement
63.2%
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: [0.844, 0.873]
Time Series
Rebased to 100
Scatter
XY Regression
Pipeline
Data quality details
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
Microsoft Corp
MSFT
Market cap 2.8T
Stock · 1,254 raw → 1,254 prepared
Series B
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
52
Estimated crossover points between normalized spreads.
Slope
0.5781
Linear regression slope.
Intercept
4.1243
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
MSFT
Microsoft Corp
Highest
+0.938
Cadence Design Systems
CDNS · 1,254 observations
Lowest
-0.867
Bristol-Myers Squibb Co.
BMY · 1,254 observations
MAR
Marriott International Class A Common Stock
Highest
+0.939
Nvidia Corp
NVDA · 1,254 observations
Lowest
+0.335
Johnson & Johnson
JNJ · 1,254 observations
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