Correlation Analysis
Alphabet Inc. Class C Capital Stock vs Astera Labs, Inc. Common Stock
GOOG vs ALAB
+0.713
Strong positive
When one moves up, the other tends to follow.
Alphabet Inc. Class C Capital Stock
↗GOOG
Alphabet is a holding company that wholly owns internet giant Google. The California-based company derives slightly less than 90% of its revenue from Google services, the vast majority of which is advertising sales. Alongside online ads, Google services houses sales stemming from Google's subscription services (YouTube TV and YouTube Music, among others), platforms (sales and in-app purchases on Play Store), and devices (Chromebooks, Pixel smartphones, and smart home products such as Chromecast). Google's cloud computing platform accounts for roughly 10% of Alphabet's revenue. The firm's investments in up-and-coming technologies such as self-driving cars (Waymo), health (Verily), and internet access (Google Fiber) make up the rest.
Market cap 3.6T · 190,820 employees

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 GOOG by 6 days
ALAB tends to move before GOOG.
After testing 13 timing shifts, the strongest relationship was +0.741 (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
-0.113
13 periods · Return correlation when both series rose
Both Falling
+0.761
11 periods · Return correlation when both series fell
Diverging
-0.245
11 periods · Return correlation when series moved apart
R-Squared
50.8%
Share of variance in one series explained by the other.
Trend Agreement
60.0%
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: [0.667, 0.753]
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
Alphabet Inc. Class C Capital Stock
GOOG
Market cap 3.6T · 190,820 employees
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
13
Estimated crossover points between normalized spreads.
Slope
0.6149
Linear regression slope.
Intercept
-21.9127
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
GOOG
Alphabet Inc. Class C Capital Stock
Highest
+0.948
Amphenol Corporation
APH · 1,254 data points
Lowest
-0.861
Fiserv, Inc. Common Stock
FISV · 644 data points
ALAB
Astera Labs, Inc. Common Stock
Highest
+0.825
JPMorgan Chase & Co.
JPM · 513 data points
Lowest
+0.095
Eli Lilly & Co.
LLY · 513 data points
Saved 5 hours ago · ID: stock-goog-vs-stock-alab-daily-20260408-pev6li