VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Thursday, January 8, 2026
Stock Comparison
Duolingo, Inc. vs Visa Inc.
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 analysisVisa Inc.
V · New York Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Comparison highlights
- Moat score gap: Visa Inc. leads (77 / 100 vs 68 / 100 for Duolingo, Inc.).
- Segment focus: Duolingo, Inc. has 2 segments (93.9% in Duolingo App); Visa Inc. has 4 segments (35.9% in Data processing revenue).
- Primary market structure: Competitive vs Oligopoly. Pricing power: Moderate vs n/a.
- Moat breadth: Duolingo, Inc. has 6 moat types across 3 domains; Visa Inc. has 7 across 4.
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%
Visa Inc.
Data processing revenue
Payment transaction processing (authorization, clearing and settlement) for VisaNet and related network access
Global
Issuers, acquirers, payment processors
Network processor / switch (authorization, clearing, settlement)
35.9%
Side-by-side metrics
Moat coverage
Shared moat types
Duolingo, Inc. strengths
Visa Inc. strengths
Segment mix
Duolingo, Inc. segments
Full profile >Duolingo App
Competitive
Duolingo English Test
Oligopoly
Visa Inc. segments
Full profile >Service revenue
Oligopoly
Data processing revenue
Oligopoly
International transaction revenue
Oligopoly
Other revenue
Competitive
Want the full wide moat stocks list?
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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.