VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Tuesday, December 30, 2025
Stock Comparison
Auckland International Airport Limited vs Diageo plc
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Auckland International Airport Limited
AIA · NZX
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 analysisDiageo plc
DGE · London Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Comparison highlights
- Moat score gap: Diageo plc leads (77 / 100 vs 74 / 100 for Auckland International Airport Limited).
- Segment focus: Auckland International Airport Limited has 3 segments; Diageo plc has 3 segments (76% in Spirits).
- Primary market structure: Monopoly vs Oligopoly. Pricing power: Moderate vs Strong.
- Moat breadth: Auckland International Airport Limited has 5 moat types across 3 domains; Diageo plc has 3 across 2.
Primary market context
Auckland International Airport Limited
Aeronautical (regulated airport services)
Aeronautical airport services at Auckland Airport (airfield landing/parking, passenger terminal and related charges)
New Zealand (Auckland catchment)
Airlines and aviation operators (direct customers); passengers indirectly
Airport infrastructure operator
Diageo plc
Spirits
Branded premium spirits (whisky, tequila, vodka, gin, rum, liqueurs)
Global
Consumers via off-trade retailers and on-trade outlets; distributors/wholesalers and key accounts
Brand owner and producer with route-to-market execution
76%
Side-by-side metrics
Moat coverage
Shared moat types
Auckland International Airport Limited strengths
Diageo plc strengths
Segment mix
Auckland International Airport Limited segments
Full profile >Aeronautical (regulated airport services)
Monopoly
Retail concessions and car parking
Quasi-Monopoly
Commercial property and precinct development
Competitive
Diageo plc segments
Full profile >Spirits
Oligopoly
Beer (Guinness and other beers)
Oligopoly
Ready-to-Drink (RTDs)
Competitive
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View the moat stocks listCuration & 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.