Correlation Analysis
Apple Inc. vs Astera Labs, Inc. Common Stock
AAPL vs ALAB
+0.612
Moderate positive
When one moves up, the other tends to follow.
Apple Inc.
↗AAPL
Apple is among the largest companies in the world, with a broad portfolio of hardware and software products targeted at consumers and businesses. Apple's iPhone makes up a majority of the firm sales, and Apple's other products like Mac, iPad, and Watch are designed around the iPhone as the focal point of an expansive software ecosystem. Apple has progressively worked to add new applications, like streaming video, subscription bundles, and augmented reality. The firm designs its own software and semiconductors while working with subcontractors like Foxconn and TSMC to build its products and chips. Slightly less than half of Apple's sales come directly through its flagship stores, with a majority of sales coming indirectly through partnerships and distribution.
Market cap 3.8T
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
ALAB leads AAPL by 6 days
ALAB tends to move before AAPL.
After testing 13 timing shifts, the strongest relationship was +0.640 (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
+0.074
9 periods · Return correlation when both series rose
Both Falling
-0.031
9 periods · Return correlation when both series fell
Diverging
-0.535
17 periods · Return correlation when series moved apart
R-Squared
37.4%
Share of variance in one series explained by the other.
Trend Agreement
54.4%
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: [0.554, 0.663]
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
Apple Inc.
AAPL
Market cap 3.8T
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
19
Estimated crossover points between normalized spreads.
Slope
1.0677
Linear regression slope.
Intercept
-137.4296
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 5 hours ago · ID: stock-aapl-vs-stock-alab-daily-20260408-zcnxhe