VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Monday, December 29, 2025
Stock Comparison
Amazon.com, Inc. vs Teradyne, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Amazon.com, Inc.
AMZN · NASDAQ
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Amazon.com, Inc.'s moat claims, evidence, and risks.
View AMZN analysisTeradyne, Inc.
TER · Nasdaq Stock Market
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Teradyne, Inc.'s moat claims, evidence, and risks.
View TER analysisComparison highlights
- Moat score gap: Amazon.com, Inc. leads (87 / 100 vs 79 / 100 for Teradyne, Inc.).
- Segment focus: Amazon.com, Inc. has 4 segments (73.5% in Amazon Stores (Retail, Marketplace, Prime Subscriptions)); Teradyne, Inc. has 3 segments (77.9% in Semiconductor Test).
- Primary market structure: Oligopoly vs Duopoly. Pricing power: Moderate vs Moderate.
- Moat breadth: Amazon.com, Inc. has 10 moat types across 4 domains; Teradyne, Inc. has 6 across 3.
Primary market context
Amazon.com, Inc.
Amazon Stores (Retail, Marketplace, Prime Subscriptions)
US retail ecommerce marketplace and online retail (integrated fulfillment + membership shipping)
United States
Consumers and third-party merchants
Marketplace operator, retailer, and fulfillment provider
73.5%
Teradyne, Inc.
Semiconductor Test
Semiconductor automated test equipment (ATE) and system-level test (SLT)
Global
IDMs, foundries, fabless, OSATs
Capital equipment supplier
77.9%
Side-by-side metrics
Moat coverage
Shared moat types
Amazon.com, Inc. strengths
Teradyne, Inc. strengths
Segment mix
Amazon.com, Inc. segments
Full profile >Amazon Web Services (AWS)
Oligopoly
Amazon Stores (Retail, Marketplace, Prime Subscriptions)
Oligopoly
Advertising Services (Amazon Ads / Retail Media)
Oligopoly
Other (healthcare, content licensing/distribution, shipping services, co-branded credit card agreements, etc.)
Competitive
Teradyne, Inc. segments
Full profile >Semiconductor Test
Duopoly
Product Test
Competitive
Robotics
Competitive
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View the moat stocks listCuration & Accuracy
This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).
Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.