Correlation Analysis
Microsoft Corp vs HEICO Corporation
MSFT vs HEI
+0.872
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
HEICO Corporation
↗HEI
Heico is an aerospace and defense supplier that focuses on creating replacement parts for commercial aircraft and components for defense products. In commercial aerospace, Heico is the largest independent producer of replacement aircraft parts. In the defense market, the company produces niche subcomponents used in targeting technology as well as simulation equipment, among other categories. It operates as two segments: the flight support group and the electronic technologies group. Both supply the aerospace and defense sectors to different degrees. Heico is persistently acquisitive, focusing on companies in similar or adjacent markets that offer strong cash flow and profitable growth potential.
Market cap 38.6B · 11,100 employees
Who Moves First
MSFT leads HEI by 6 days
MSFT tends to move before HEI.
Best correlation after shifting: +0.877 (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
+0.801
13 periods · Return correlation when both series rose
Both Falling
+0.249
7 periods · Return correlation when both series fell
Diverging
-0.651
15 periods · Return correlation when series moved apart
R-Squared
76.0%
Share of variance in one series explained by the other.
Trend Agreement
62.6%
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: [0.858, 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
HEICO Corporation
HEI
Market cap 38.6B · 11,100 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
46
Estimated crossover points between normalized spreads.
Slope
0.6757
Linear regression slope.
Intercept
-38.9521
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 3 hours ago · ID: stock-msft-vs-stock-hei-daily-20260408-a39q4y