VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, January 7, 2026
Stock Comparison
Taiwan Semiconductor Manufacturing Company Limited vs Duolingo, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Taiwan Semiconductor Manufacturing Company Limited
2330 · Taiwan 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 Taiwan Semiconductor Manufacturing Company Limited's moat claims, evidence, and risks.
View 2330 analysisDuolingo, 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 analysisComparison highlights
- Moat score gap: Taiwan Semiconductor Manufacturing Company Limited leads (92 / 100 vs 68 / 100 for Duolingo, Inc.).
- Segment focus: Taiwan Semiconductor Manufacturing Company Limited has 3 segments (74% in Leading-edge Foundry (7nm and below)); Duolingo, Inc. has 2 segments (93.9% in Duolingo App).
- Primary market structure: Quasi-Monopoly vs Competitive. Pricing power: Strong vs Moderate.
- Moat breadth: Taiwan Semiconductor Manufacturing Company Limited has 7 moat types across 4 domains; Duolingo, Inc. has 6 across 3.
Primary market context
Taiwan Semiconductor Manufacturing Company Limited
Leading-edge Foundry (7nm and below)
Leading-edge semiconductor foundry services (<=7nm logic process technologies)
Global
Fabless semiconductor companies, system companies, and IDMs
Dedicated foundry / contract manufacturer
74%
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%
Side-by-side metrics
Moat coverage
Shared moat types
Taiwan Semiconductor Manufacturing Company Limited strengths
Duolingo, Inc. strengths
Segment mix
Taiwan Semiconductor Manufacturing Company Limited segments
Full profile >Leading-edge Foundry (7nm and below)
Quasi-Monopoly
Mature & Specialty Foundry (16nm and above + specialty processes)
Oligopoly
Advanced Packaging & 3DFabric (CoWoS, InFO, SoIC)
Oligopoly
Duolingo, Inc. segments
Full profile >Duolingo App
Competitive
Duolingo English Test
Oligopoly
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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.