Correlation Analysis
Microsoft Corp vs Intuitive Surgical Inc.
MSFT vs ISRG
+0.871
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
Intuitive Surgical Inc.
↗ISRG
Intuitive develops, produces, and markets a robotic system for assisting minimally invasive surgery. It also provides the instrumentation, disposable accessories, and warranty services for the system. The company has placed more than 10,000 da Vinci systems in hospitals worldwide, with more than 6,000 installations in the US and a growing number in emerging markets.
Market cap 160.7B · 17,021 employees
Who Moves First
in sync
MSFT and ISRG tend to move at the same time.
Best correlation after shifting: +0.871 (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
+0.820
19 periods · Return correlation when both series rose
Both Falling
+0.679
9 periods · Return correlation when both series fell
Diverging
-0.911
7 periods · Return correlation when series moved apart
R-Squared
75.9%
Share of variance in one series explained by the other.
Trend Agreement
69.4%
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: [0.857, 0.884]
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
Intuitive Surgical Inc.
ISRG
Market cap 160.7B · 17,021 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
25
Estimated crossover points between normalized spreads.
Slope
1.1828
Linear regression slope.
Intercept
-50.0503
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 3 hours ago · ID: stock-msft-vs-stock-isrg-daily-20260408-cayj2u