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Correlation Analysis

Microsoft Corp vs T-Mobile US, Inc.

MSFT vs TMUS

+0.772

Strong positive

When one moves up, the other tends to follow.

MSFT logo

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

TMUS logo

T-Mobile US, Inc.

TMUS

Deutsche Telekom merged its T-Mobile USA unit with prepaid specialist MetroPCS in 2013, and that firm merged with Sprint in 2020, creating the second-largest wireless carrier in the US. T-Mobile now serves 86 million postpaid and 26 million prepaid phone customers, equal to around 30% of the US retail wireless market. The firm entered the fixed-wireless broadband market aggressively in 2021 and now serves 8 million residential and business customers with its wireless network. It also serves 1 million fiber broadband customers through joint ventures with fiber network owners. T-Mobile owns a stake in these firms, which provide wholesale access to their networks. In addition, T-Mobile provides wholesale services to wireless resellers.

Market cap 218.8B · 75,000 employees

Apr 9, 2021 — Apr 7, 2026Daily1,254 data pointsStockStockTechnologyCommunication

Time Series

Relative Performance

Green: MSFTGray: TMUS36 of 1,254 points (sampled)

Who Moves First

TMUS leads MSFT by 6 days

TMUS tends to move before MSFT.

After testing 13 timing shifts, the strongest relationship was +0.774 (they moved in the same direction).

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

+0.143

12 periods · Return correlation when both series rose

Both Falling

N/A

4 periods · Return correlation when both series fell

Diverging

-0.612

19 periods · Return correlation when series moved apart

R-Squared

59.6%

Share of variance in one series explained by the other.

Trend Agreement

58.6%

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: [0.749, 0.793]

Scatter

XY Regression

208.6250300350400450500549.3103.9120140160180200220240260277Microsoft CorpT-Mobile US, Inc.Data pointsFit (r = 0.772)

Pipeline

Data quality details

Pipeline Summary

1,254 paired data points 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

MSFT logo

Microsoft Corp

MSFT

Market cap 2.8T

Stock · 1,254 raw → 1,254 prepared

Series B

TMUS logo

T-Mobile US, Inc.

TMUS

Market cap 218.8B · 75,000 employees

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

36

Estimated crossover points between normalized spreads.

Slope

0.4004

Linear regression slope.

Intercept

26.7261

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

Saved 5 hours ago · ID: stock-msft-vs-stock-tmus-daily-20260408-gd7jgy