Correlation Analysis
Microsoft Corp vs Astera Labs, Inc. Common Stock
MSFT vs ALAB
+0.655
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
Astera Labs, Inc. Common Stock
↗ALAB
Astera Labs Inc designs and delivers semiconductor-based connectivity solutions for cloud and AI infrastructure. Its Intelligent Connectivity Platform integrates semiconductor technology, microcontrollers, sensors, and software to enhance performance, scalability, and data management. The company offers products such as integrated circuits (ICs), boards, and modules, catering to hyperscalers and system OEMs. The company's solutions focus on data, network, and memory management in AI-driven platforms. Geographically, the company operates in Singapore, China, Taiwan, and United States, of which maximum revenue is derived from United States.
Market cap 20.1B · 756 employees
Time Series
Relative Performance
Who Moves First
MSFT leads ALAB by 6 days
MSFT tends to move before ALAB.
After testing 13 timing shifts, the strongest relationship was +0.700 (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
-0.137
10 periods · Return correlation when both series rose
Both Falling
-0.008
14 periods · Return correlation when both series fell
Diverging
-0.279
11 periods · Return correlation when series moved apart
R-Squared
43.0%
Share of variance in one series explained by the other.
Trend Agreement
63.9%
How often both series moved in the same direction period-to-period.
Overlap Quality
513
Robust shared window — 513 usable pairs.
Significance
p < 0.001
95% CI: [0.603, 0.702]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
513 paired data points survived the daily window.
Raw input
1,254
513
Normalized
1,254
513
Prepared
1,254
513
Aligned
513
513
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
741
A: 741 / B: 0
Series A
Microsoft Corp
MSFT
Market cap 2.8T
Stock · 1,254 raw → 1,254 prepared
Series B
Astera Labs, Inc. Common Stock
ALAB
Market cap 20.1B · 756 employees
Stock · 513 raw → 513 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
23
Estimated crossover points between normalized spreads.
Slope
0.7347
Linear regression slope.
Intercept
-218.8879
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 5 hours ago · ID: stock-msft-vs-stock-alab-daily-20260408-g7uz3z