VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Thursday, January 8, 2026
Stock Comparison
Duolingo, Inc. vs Edwards Lifesciences Corporation
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Duolingo, Inc.
DUOL · 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 Duolingo, Inc.'s moat claims, evidence, and risks.
View DUOL analysisEdwards Lifesciences Corporation
EW · New York Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Edwards Lifesciences Corporation's moat claims, evidence, and risks.
View EW analysisComparison highlights
- Moat score gap: Edwards Lifesciences Corporation leads (82 / 100 vs 68 / 100 for Duolingo, Inc.).
- Segment focus: Duolingo, Inc. has 2 segments (93.9% in Duolingo App); Edwards Lifesciences Corporation has 3 segments (75.5% in Transcatheter Aortic Valve Replacement (TAVR)).
- Primary market structure: Competitive vs Oligopoly. Pricing power: Moderate vs Moderate.
- Moat breadth: Duolingo, Inc. has 6 moat types across 3 domains; Edwards Lifesciences Corporation has 6 across 3.
Primary market context
Duolingo, Inc.
Duolingo App
Mobile-first, freemium language learning and adjacent subjects (math, music)
Global
Consumers (end-users); advertisers
Digital learning platform / content & software publisher
93.9%
Edwards Lifesciences Corporation
Transcatheter Aortic Valve Replacement (TAVR)
Transcatheter aortic valve replacement (TAVR) devices
Global
Hospitals and structural heart centers
Medical device manufacturer
75.5%
Side-by-side metrics
Moat coverage
Shared moat types
Duolingo, Inc. strengths
Edwards Lifesciences Corporation strengths
Segment mix
Duolingo, Inc. segments
Full profile >Duolingo App
Competitive
Duolingo English Test
Oligopoly
Edwards Lifesciences Corporation segments
Full profile >Transcatheter Aortic Valve Replacement (TAVR)
Oligopoly
Transcatheter Mitral and Tricuspid Therapies (TMTT)
Competitive
Surgical Structural Heart
Oligopoly
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View the moat stocks listLooking for expansion-stage stocks?
Proven models entering the expansion stage with unit economics that work.
View expansion-stage stocksCuration & 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.