VOL. XCIV, NO. 247

★ WIDE MOAT STOCKS COMPARISON ★

NO ADVICE

Wednesday, December 31, 2025

Stock Comparison

Auckland International Airport Limited vs American Express Company

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

Auckland International Airport Limited

AIA · NZX

Market cap (USD)
SectorIndustrials
CountryNZ
Data as of2025-12-28
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 Auckland International Airport Limited's moat claims, evidence, and risks.

View AIA analysis

American Express Company

AXP · New York Stock Exchange

Market cap (USD)
SectorFinancials
CountryUS
Data as of2025-12-30
Moat score
52/ 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 American Express Company's moat claims, evidence, and risks.

View AXP analysis

Comparison highlights

  • Moat score gap: Auckland International Airport Limited leads (74 / 100 vs 52 / 100 for American Express Company).
  • Segment focus: Auckland International Airport Limited has 3 segments; American Express Company has 4 segments (47.5% in U.S. Consumer Services (USCS)).
  • Primary market structure: Monopoly vs Competitive. Pricing power: Moderate vs n/a.
  • Moat breadth: Auckland International Airport Limited has 5 moat types across 3 domains; American Express Company has 8 across 3.

Primary market context

Auckland International Airport Limited

Aeronautical (regulated airport services)

Market

Aeronautical airport services at Auckland Airport (airfield landing/parking, passenger terminal and related charges)

Geography

New Zealand (Auckland catchment)

Customer

Airlines and aviation operators (direct customers); passengers indirectly

Role

Airport infrastructure operator

American Express Company

U.S. Consumer Services (USCS)

Market

U.S. premium consumer card issuing (charge and credit) and attached consumer banking and financing

Geography

United States

Customer

Consumers

Role

Issuer (proprietary cards) and consumer lender/services

Revenue share

47.5%

Side-by-side metrics

Auckland International Airport Limited
American Express Company
Ticker / Exchange
AIA - NZX
AXP - New York Stock Exchange
Market cap (USD)
n/a
n/a
Sector
Industrials
Financials
HQ country
NZ
US
Primary segment
Aeronautical (regulated airport services)
U.S. Consumer Services (USCS)
Market structure
Monopoly
Competitive
Market share
n/a
n/a
HHI estimate
n/a
n/a
Pricing power
Moderate
n/a
Moat score
74 / 100
52 / 100
Moat domains
Legal, Supply, Demand
Demand, Financial, Network
Last update
2025-12-28
2025-12-30

Moat coverage

Shared moat types

Long Term Contracts

Auckland International Airport Limited strengths

Permits Rights Of WayCapacity MoatDistribution ControlGeographic Natural

American Express Company strengths

Brand TrustSwitching Costs GeneralCost Of Capital AdvantageTraining Org Change CostsEcosystem ComplementsTwo Sided NetworkData Network Effects

Segment mix

Auckland International Airport Limited segments

Full profile >

Aeronautical (regulated airport services)

Monopoly

n/a

Retail concessions and car parking

Quasi-Monopoly

n/a

Commercial property and precinct development

Competitive

n/a

American Express Company segments

Full profile >

U.S. Consumer Services (USCS)

Competitive

47.5%

Commercial Services (CS)

Competitive

23.9%

International Card Services (ICS)

Competitive

17.3%

Global Merchant and Network Services (GMNS)

Oligopoly

11.3%

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.