VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, January 7, 2026
Stock Comparison
Duolingo, Inc. vs Vulcan Materials Company
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 analysisVulcan Materials Company
VMC · 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 Vulcan Materials Company's moat claims, evidence, and risks.
View VMC analysisComparison highlights
- Moat score gap: Vulcan Materials Company leads (73 / 100 vs 68 / 100 for Duolingo, Inc.).
- Segment focus: Duolingo, Inc. has 2 segments (93.9% in Duolingo App); Vulcan Materials Company has 3 segments (74.4% in Aggregates).
- Primary market structure: Competitive vs Oligopoly. Pricing power: Moderate vs Strong.
- Moat breadth: Duolingo, Inc. has 6 moat types across 3 domains; Vulcan Materials Company has 5 across 2.
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%
Vulcan Materials Company
Aggregates
Construction aggregates (crushed stone, sand & gravel)
United States (local/regional markets)
Construction contractors and public infrastructure agencies
Upstream raw materials producer
74.4%
Side-by-side metrics
Moat coverage
Shared moat types
No overlap yet.
Duolingo, Inc. strengths
Vulcan Materials Company strengths
Segment mix
Duolingo, Inc. segments
Full profile >Duolingo App
Competitive
Duolingo English Test
Oligopoly
Vulcan Materials Company segments
Full profile >Aggregates
Oligopoly
Asphalt
Competitive
Concrete
Competitive
Want the full wide moat stocks list?
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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.