VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Thursday, January 8, 2026
Stock Comparison
Costco Wholesale Corporation vs Tradeweb Markets Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Costco Wholesale Corporation
COST · 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 Costco Wholesale Corporation's moat claims, evidence, and risks.
View COST analysisTradeweb Markets Inc.
TW · 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 Tradeweb Markets Inc.'s moat claims, evidence, and risks.
View TW analysisComparison highlights
- Moat score gap: Costco Wholesale Corporation leads (80 / 100 vs 70 / 100 for Tradeweb Markets Inc.).
- Segment focus: Costco Wholesale Corporation has 2 segments (98.1% in Warehouse club retail); Tradeweb Markets Inc. has 6 segments (52.4% in Rates).
- Primary market structure: Oligopoly vs Oligopoly. Pricing power: Weak vs Moderate.
- Moat breadth: Costco Wholesale Corporation has 6 moat types across 3 domains; Tradeweb Markets Inc. has 7 across 4.
Primary market context
Costco Wholesale Corporation
Warehouse club retail
Membership warehouse club retail (warehouse clubs, ancillary services, and e-commerce)
Global
Households and small businesses
Retailer (membership club)
98.1%
Tradeweb Markets Inc.
Rates
Electronic dealer-to-client and all-to-all trading in rates (government bonds, mortgages/TBA MBS, interest rate swaps)
Global
Institutional, wholesale dealers, and retail via ATS
Electronic marketplace / trading venue
52.4%
Side-by-side metrics
Moat coverage
Shared moat types
Costco Wholesale Corporation strengths
Tradeweb Markets Inc. strengths
Segment mix
Costco Wholesale Corporation segments
Full profile >Warehouse club retail
Oligopoly
Membership fees (subscription)
Oligopoly
Tradeweb Markets Inc. segments
Full profile >Rates
Oligopoly
Credit
Oligopoly
Equities
Competitive
Money Markets
Oligopoly
Market Data
Competitive
Other
Competitive
Want the full wide moat stocks list?
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Proven models entering the expansion stage with unit economics that work.
View expansion-stage stocksCuration & 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.