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Correlation Analysis

Microsoft Corp vs F5, Inc. Common Stock

MSFT vs FFIV

+0.724

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

FFIV logo

F5, Inc. Common Stock

FFIV

F5 is a market leader in the application delivery controller market. The company sells products for security, application performance, and automation. Its three customer verticals are enterprises, service providers, and government entities. Revenue is evenly split between its services business and products business with revenue trending toward products due to software adoption. The Seattle-based firm was incorporated in 1996, and went public in 1999.

Market cap 17.4B · 6,578 employees

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

Who Moves First

MSFT leads FFIV by 6 days

MSFT tends to move before FFIV.

Best correlation after shifting: +0.733 (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

+0.496

18 periods · Return correlation when both series rose

Both Falling

+0.806

7 periods · Return correlation when both series fell

Diverging

-0.483

10 periods · Return correlation when series moved apart

R-Squared

52.4%

Share of variance in one series explained by the other.

Trend Agreement

67.7%

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: [0.697, 0.749]

Time Series

Rebased to 100

Green: MSFTGray: FFIV36 of 1,254 points (sampled)

Scatter

XY Regression

208.6250300350400450500549.3127.3150200250300341.5Microsoft CorpF5, Inc. Common StockData pointsFit (r = 0.724)

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

MSFT logo

Microsoft Corp

MSFT

Market cap 2.8T

Stock · 1,254 raw → 1,254 prepared

Series B

FFIV logo

F5, Inc. Common Stock

FFIV

Market cap 17.4B · 6,578 employees

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

6

Estimated crossover points between normalized spreads.

Slope

0.4612

Linear regression slope.

Intercept

40.8387

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

Saved 3 hours ago · ID: stock-msft-vs-stock-ffiv-daily-20260408-8bf560