VOL. XCIV, NO. 247

★ WIDE MOAT STOCKS COMPARISON ★

NO ADVICE

Wednesday, January 7, 2026

Stock Comparison

Duolingo, Inc. vs Otis Worldwide Corporation

Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.

Duolingo, Inc.

DUOL · NASDAQ

Market cap (USD)$8.6B
Gross margin (TTM)72%
Operating margin (TTM)11%
Net margin (TTM)40%
SectorTechnology
IndustrySoftware - Application
CountryUS
Data as of2026-01-06
Moat score
68/ 100

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 analysis

Otis Worldwide Corporation

OTIS · New York Stock Exchange

Market cap (USD)$35.2B
Gross margin (TTM)30.4%
Operating margin (TTM)15.2%
Net margin (TTM)9.4%
SectorIndustrials
IndustryIndustrial - Machinery
CountryUS
Data as of2025-12-26
Moat score
67/ 100

Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.

Full stock profile

Dive deeper into Otis Worldwide Corporation's moat claims, evidence, and risks.

View OTIS analysis

Comparison highlights

  • Moat score gap: Duolingo, Inc. leads (68 / 100 vs 67 / 100 for Otis Worldwide Corporation).
  • Segment focus: Duolingo, Inc. has 2 segments (93.9% in Duolingo App); Otis Worldwide Corporation has 2 segments (62.4% in Service).
  • Moat breadth: Duolingo, Inc. has 6 moat types across 3 domains; Otis Worldwide Corporation has 7 across 2.

Primary market context

Duolingo, Inc.

Duolingo App

Market

Mobile-first, freemium language learning and adjacent subjects (math, music)

Geography

Global

Customer

Consumers (end-users); advertisers

Role

Digital learning platform / content & software publisher

Revenue share

93.9%

Otis Worldwide Corporation

Service

Market

Elevator and escalator maintenance, repair and modernization services

Geography

Global

Customer

Building owners, facility managers, housing associations, government agencies

Role

Service provider / modernizer

Revenue share

62.4%

Side-by-side metrics

Duolingo, Inc.
Otis Worldwide Corporation
Ticker / Exchange
DUOL - NASDAQ
OTIS - New York Stock Exchange
Market cap (USD)
$8.6B
$35.2B
Gross margin (TTM)
72%
30.4%
Operating margin (TTM)
11%
15.2%
Net margin (TTM)
40%
9.4%
Sector
Technology
Industrials
Industry
Software - Application
Industrial - Machinery
HQ country
US
US
Primary segment
Duolingo App
Service
Market structure
Competitive
Competitive
Market share
n/a
n/a
HHI estimate
n/a
n/a
Pricing power
Moderate
Moderate
Moat score
68 / 100
67 / 100
Moat domains
Network, Demand, Supply
Demand, Supply
Last update
2026-01-06
2025-12-26

Moat coverage

Shared moat types

Brand TrustDesign In QualificationOperational Excellence

Duolingo, Inc. strengths

Data Network EffectsHabit DefaultScope Economies

Otis Worldwide Corporation strengths

Installed Base ConsumablesService Field NetworkLong Term ContractsData Workflow Lockin

Segment mix

Duolingo, Inc. segments

Full profile >

Duolingo App

Competitive

93.9%

Duolingo English Test

Oligopoly

6.1%

Otis Worldwide Corporation segments

Full profile >

New Equipment

Competitive

37.6%

Service

Competitive

62.4%

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 list

Looking for expansion-stage stocks?

Proven models entering the expansion stage with unit economics that work.

View expansion-stage stocks

Curation & 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.