VOL. XCIV, NO. 247

★ WIDE MOAT STOCKS COMPARISON ★

NO ADVICE

Thursday, January 8, 2026

Stock Comparison

Casey's General Stores, Inc. vs Diageo plc

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

Casey's General Stores, Inc.

CASY · NASDAQ

Market cap (USD)$21B
Gross margin (TTM)23.4%
Operating margin (TTM)5.3%
Net margin (TTM)3.6%
SectorConsumer
IndustrySpecialty Retail
CountryUS
Data as of2026-01-06
Moat score
54/ 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 Casey's General Stores, Inc.'s moat claims, evidence, and risks.

View CASY analysis

Diageo plc

DGE · London Stock Exchange

Market cap (USD)$36.4B
Gross margin (TTM)60.2%
Operating margin (TTM)27.9%
Net margin (TTM)15.3%
SectorConsumer
IndustryBeverages - Wineries & Distilleries
CountryGB
Data as of2025-12-30
Moat score
77/ 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 Diageo plc's moat claims, evidence, and risks.

View DGE analysis

Comparison highlights

  • Moat score gap: Diageo plc leads (77 / 100 vs 54 / 100 for Casey's General Stores, Inc.).
  • Segment focus: Casey's General Stores, Inc. has 4 segments (61.3% in Fuel); Diageo plc has 3 segments (76% in Spirits).
  • Primary market structure: Competitive vs Oligopoly. Pricing power: Weak vs Strong.
  • Moat breadth: Casey's General Stores, Inc. has 7 moat types across 2 domains; Diageo plc has 3 across 2.

Primary market context

Casey's General Stores, Inc.

Fuel

Market

Retail motor fuel sold through convenience-store fuel sites (gasoline and diesel)

Geography

United States (Casey's operating footprint; Midwest/South)

Customer

Motorists / consumers (in-store and pay-at-the-pump transactions)

Role

Fuel retailer (with some self-distribution/wholesale capabilities)

Revenue share

61.3%

Diageo plc

Spirits

Market

Branded premium spirits (whisky, tequila, vodka, gin, rum, liqueurs)

Geography

Global

Customer

Consumers via off-trade retailers and on-trade outlets; distributors/wholesalers and key accounts

Role

Brand owner and producer with route-to-market execution

Revenue share

76%

Side-by-side metrics

Casey's General Stores, Inc.
Diageo plc
Ticker / Exchange
CASY - NASDAQ
DGE - London Stock Exchange
Market cap (USD)
$21B
$36.4B
Gross margin (TTM)
23.4%
60.2%
Operating margin (TTM)
5.3%
27.9%
Net margin (TTM)
3.6%
15.3%
Sector
Consumer
Consumer
Industry
Specialty Retail
Beverages - Wineries & Distilleries
HQ country
US
GB
Primary segment
Fuel
Spirits
Market structure
Competitive
Oligopoly
Market share
n/a
n/a
HHI estimate
n/a
n/a
Pricing power
Weak
Strong
Moat score
54 / 100
77 / 100
Moat domains
Demand, Supply
Demand, Supply
Last update
2026-01-06
2025-12-30

Moat coverage

Shared moat types

Brand TrustDistribution Control

Casey's General Stores, Inc. strengths

Operational ExcellencePhysical Network DensityHabit DefaultSupply Chain ControlScope Economies

Diageo plc strengths

Capacity Moat

Segment mix

Casey's General Stores, Inc. segments

Full profile >

Prepared Food and Dispensed Beverage

Competitive

10.1%

Grocery and General Merchandise

Competitive

26%

Fuel

Competitive

61.3%

Other (wholesale fuel, car wash, lottery)

Competitive

2.6%

Diageo plc segments

Full profile >

Spirits

Oligopoly

76%

Beer (Guinness and other beers)

Oligopoly

18%

Ready-to-Drink (RTDs)

Competitive

4%

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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.