VOL. XCIV, NO. 247

★ WIDE MOAT STOCKS COMPARISON ★

NO ADVICE

Monday, January 5, 2026

Stock Comparison

CoStar Group, Inc. vs Euronext N.V.

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

CoStar Group, Inc.

CSGP · NASDAQ

Market cap (USD)$27.9B
Gross margin (TTM)79.3%
Operating margin (TTM)-2.7%
Net margin (TTM)0.7%
SectorReal Estate
IndustryReal Estate - Services
CountryUS
Data as of2025-12-29
Moat score
75/ 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 CoStar Group, Inc.'s moat claims, evidence, and risks.

View CSGP analysis

Euronext N.V.

ENX · Euronext Paris

Market cap (USD)
Gross margin (TTM)
Operating margin (TTM)
Net margin (TTM)
SectorFinancials
Industry
CountryNL
Data as of2026-01-03
Moat score
74/ 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 Euronext N.V.'s moat claims, evidence, and risks.

View ENX analysis

Comparison highlights

  • Moat score gap: CoStar Group, Inc. leads (75 / 100 vs 74 / 100 for Euronext N.V.).
  • Segment focus: CoStar Group, Inc. has 6 segments (39% in Multifamily (Apartments.com Network)); Euronext N.V. has 7 segments (34.4% in Trading).
  • Primary market structure: Oligopoly vs Oligopoly. Pricing power: Strong vs Moderate.
  • Moat breadth: CoStar Group, Inc. has 9 moat types across 4 domains; Euronext N.V. has 7 across 4.

Primary market context

CoStar Group, Inc.

Multifamily (Apartments.com Network)

Market

Online multifamily rental marketplaces and advertising

Geography

United States

Customer

Two-sided (renters + property managers/owners)

Role

Marketplace (subscription advertising + workflow tools)

Revenue share

39%

Euronext N.V.

Trading

Market

Multi-asset exchange trading venues (cash equities, derivatives, fixed income, FX, power)

Geography

Europe (with global participants)

Customer

Broker-dealers, banks, proprietary trading firms, asset managers, and other market participants

Role

Trading venue operator

Revenue share

34.4%

Side-by-side metrics

CoStar Group, Inc.
Euronext N.V.
Ticker / Exchange
CSGP - NASDAQ
ENX - Euronext Paris
Market cap (USD)
$27.9B
n/a
Gross margin (TTM)
79.3%
n/a
Operating margin (TTM)
-2.7%
n/a
Net margin (TTM)
0.7%
n/a
Sector
Real Estate
Financials
Industry
Real Estate - Services
n/a
HQ country
US
NL
Primary segment
Multifamily (Apartments.com Network)
Trading
Market structure
Oligopoly
Oligopoly
Market share
n/a
64.8% (reported)
HHI estimate
n/a
n/a
Pricing power
Strong
Moderate
Moat score
75 / 100
74 / 100
Moat domains
Supply, Network, Demand, Legal
Legal, Network, Supply, Demand
Last update
2025-12-29
2026-01-03

Moat coverage

Shared moat types

Data Workflow LockinIP Choke PointTwo Sided Network

CoStar Group, Inc. strengths

Capex Knowhow ScaleData Network EffectsDe Facto StandardBrand TrustSuite BundlingEcosystem Complements

Euronext N.V. strengths

Concession LicenseOperational ExcellenceFormat Lock InClearing Settlement

Segment mix

CoStar Group, Inc. segments

Full profile >

CoStar (commercial real estate info & analytics)

Oligopoly

37.3%

Information Services (lease management software + international info)

Competitive

5%

Multifamily (Apartments.com Network)

Oligopoly

39%

LoopNet (commercial property marketing marketplace)

Oligopoly

10.3%

Residential (Homes.com + OnTheMarket)

Oligopoly

3.7%

Other Marketplaces (Ten-X, Land.com, BizBuySell, etc.)

Competitive

4.8%

Euronext N.V. segments

Full profile >

Listing

Oligopoly

14.3%

Trading

Oligopoly

34.4%

Advanced Data Services

Quasi-Monopoly

14.9%

Clearing

Oligopoly

12.4%

Custody & Settlement

Quasi-Monopoly

16.6%

Technology Solutions & Other

Competitive

6.5%

Investor Services

Competitive

0.9%

Want the full wide moat stocks list?

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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.