Correlation Analysis
Microsoft Corp vs Zoom Communications, Inc. Class A Common Stock
MSFT vs ZM
-0.385
Light inverse
When one moves up, the other tends to move down.
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
Zoom Communications, Inc. Class A Common Stock
↗ZM
Zoom Communications provides a video-first communications platform that connects people through frictionless video, voice, chat, and content sharing. The company's cloud-native platform enables video experiences and connects users across various devices and locations in a single meeting. Zoom has launched a variety of communications-related solutions, including Zoom Phone and Zoom Contact Center. The firm was founded in 2011 and serves companies of all sizes from all industries around the world.
Market cap 24.4B · 7,438 employees
Time Series
Relative Performance
Who Moves First
in sync
MSFT and ZM tend to move at the same time.
After testing 13 timing shifts, the strongest relationship was -0.385 (they moved in opposite directions).
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
+0.265
8 periods · Return correlation when both series rose
Both Falling
+0.308
5 periods · Return correlation when both series fell
Diverging
-0.248
22 periods · Return correlation when series moved apart
R-Squared
14.8%
Share of variance in one series explained by the other.
Trend Agreement
63.5%
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: [-0.431, -0.337]
Scatter
XY Regression
Pipeline
Data quality details
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
Microsoft Corp
MSFT
Market cap 2.8T
Stock · 1,254 raw → 1,254 prepared
Series B
Zoom Communications, Inc. Class A Common Stock
ZM
Market cap 24.4B · 7,438 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
11
Estimated crossover points between normalized spreads.
Slope
-0.3833
Linear regression slope.
Intercept
250.0179
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
MSFT
Microsoft Corp
Highest
+0.938
Cadence Design Systems
CDNS · 1,254 data points
Lowest
-0.867
Bristol-Myers Squibb Co.
BMY · 1,254 data points
ZM
Zoom Communications, Inc. Class A Common Stock
Highest
+0.034
Amazon.Com Inc
AMZN · 1,254 data points
Lowest
-0.804
Exxon Mobil Corporation
XOM · 1,254 data points
Saved 7 hours ago · ID: stock-msft-vs-stock-zm-daily-20260408-0ajcgm