VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Thursday, January 8, 2026
Stock Comparison
Duolingo, Inc. vs Fortinet, 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 analysisFortinet, Inc.
FTNT · 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 Fortinet, Inc.'s moat claims, evidence, and risks.
View FTNT analysisComparison highlights
- Moat score gap: Fortinet, Inc. leads (84 / 100 vs 68 / 100 for Duolingo, Inc.).
- Segment focus: Duolingo, Inc. has 2 segments (93.9% in Duolingo App); Fortinet, Inc. has 2 segments (68% in Subscriptions & Support Services).
- Primary market structure: Competitive vs Quasi-Monopoly. Pricing power: Moderate vs Strong.
- Moat breadth: Duolingo, Inc. has 6 moat types across 3 domains; Fortinet, Inc. has 7 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%
Fortinet, Inc.
Subscriptions & Support Services
Cybersecurity subscriptions and technical support for Fortinet installed base (FortiGuard + FortiCare)
Global
Installed-base enterprises and channel partners
Vendor (subscription/support services)
68%
Side-by-side metrics
Moat coverage
Shared moat types
Duolingo, Inc. strengths
Fortinet, Inc. strengths
Segment mix
Duolingo, Inc. segments
Full profile >Duolingo App
Competitive
Duolingo English Test
Oligopoly
Fortinet, Inc. segments
Full profile >Secure Networking Products
Oligopoly
Subscriptions & Support Services
Quasi-Monopoly
Want the full wide moat stocks list?
Browse the full ranking of wide moat stocks, updated with moat scores and segment context.
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.