VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, December 31, 2025
Stock Comparison
Automatic Data Processing, Inc. vs O'Reilly Automotive, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Automatic Data Processing, Inc.
ADP · NASDAQ
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Automatic Data Processing, Inc.'s moat claims, evidence, and risks.
View ADP analysisO'Reilly Automotive, Inc.
ORLY · Nasdaq Global Select Market
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into O'Reilly Automotive, Inc.'s moat claims, evidence, and risks.
View ORLY analysisComparison highlights
- Moat score gap: Automatic Data Processing, Inc. leads (71 / 100 vs 63 / 100 for O'Reilly Automotive, Inc.).
- Segment focus: Automatic Data Processing, Inc. has 2 segments (67.5% in Employer Services); O'Reilly Automotive, Inc. has 2 segments (52% in DIY Aftermarket Retail).
- Moat breadth: Automatic Data Processing, Inc. has 7 moat types across 4 domains; O'Reilly Automotive, Inc. has 7 across 2.
Primary market context
Automatic Data Processing, Inc.
Employer Services
Payroll processing and cloud HCM (HR, time, talent, tax, benefits) software and outsourcing
Global
Businesses (SMB to large enterprise)
SaaS and managed services provider
67.5%
O'Reilly Automotive, Inc.
DIY Aftermarket Retail
Specialty automotive aftermarket parts retail (DIY channel)
United States, Puerto Rico, Mexico, Canada
Consumers (do-it-yourself vehicle owners)
Specialty retailer
52%
Side-by-side metrics
Moat coverage
Shared moat types
No overlap yet.
Automatic Data Processing, Inc. strengths
O'Reilly Automotive, Inc. strengths
Segment mix
Automatic Data Processing, Inc. segments
Full profile >Employer Services
Oligopoly
Professional Employer Organization (PEO) Services
Competitive
O'Reilly Automotive, Inc. segments
Full profile >DIY Aftermarket Retail
Oligopoly
Professional (B2B) Aftermarket Distribution
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.