Correlation Analysis
Microsoft Corp vs Cisco Systems, Inc. Common Stock (DE)
MSFT vs CSCO
+0.618
Moderate 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
Cisco Systems, Inc. Common Stock (DE)
↗CSCO
Cisco Systems is the largest provider of networking equipment in the world and one of the largest software companies in the world. Its largest businesses are selling networking hardware and software (where it has leading market shares) and cybersecurity software such as firewalls. It also has collaboration products, like its Webex suite, and observability tools. It primarily outsources its manufacturing to third parties and has a large sales and marketing staff—25,000 strong across 90 countries. Overall, Cisco employs 80,000 people and sells its products globally.
Market cap 317.7B
Time Series
Relative Performance
Who Moves First
MSFT leads CSCO by 6 days
MSFT tends to move before CSCO.
After testing 13 timing shifts, the strongest relationship was +0.633 (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
+0.639
15 periods · Return correlation when both series rose
Both Falling
+0.307
8 periods · Return correlation when both series fell
Diverging
-0.789
12 periods · Return correlation when series moved apart
R-Squared
38.2%
Share of variance in one series explained by the other.
Trend Agreement
66.0%
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: [0.582, 0.651]
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
Cisco Systems, Inc. Common Stock (DE)
CSCO
Market cap 317.7B
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
0.0696
Linear regression slope.
Intercept
30.6448
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
CSCO
Cisco Systems, Inc. Common Stock (DE)
Highest
+0.844
JPMorgan Chase & Co.
JPM · 1,254 data points
Lowest
+0.326
Exxon Mobil Corporation
XOM · 1,254 data points
Saved 5 hours ago · ID: stock-msft-vs-stock-csco-daily-20260408-ck6ss3