VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Friday, January 2, 2026
Stock Comparison
reAlpha Tech Corp. vs CoStar Group, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
reAlpha Tech Corp.
AIRE · Nasdaq Capital 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 reAlpha Tech Corp.'s moat claims, evidence, and risks.
View AIRE analysisCoStar Group, Inc.
CSGP · 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 CoStar Group, Inc.'s moat claims, evidence, and risks.
View CSGP analysisComparison highlights
- Moat score gap: CoStar Group, Inc. leads (75 / 100 vs 42 / 100 for reAlpha Tech Corp.).
- Segment focus: reAlpha Tech Corp. has 2 segments (83.5% in Homebuying Platform & Transaction Services); CoStar Group, Inc. has 6 segments (39% in Multifamily (Apartments.com Network)).
- Primary market structure: Competitive vs Oligopoly. Pricing power: Weak vs Strong.
- Moat breadth: reAlpha Tech Corp. has 4 moat types across 2 domains; CoStar Group, Inc. has 9 across 4.
Primary market context
reAlpha Tech Corp.
Homebuying Platform & Transaction Services
Integrated U.S. residential real estate transaction services platform (brokerage + mortgage + title)
United States
Homebuyers
Transaction intermediary / service provider
83.5%
CoStar Group, Inc.
Multifamily (Apartments.com Network)
Online multifamily rental marketplaces and advertising
United States
Two-sided (renters + property managers/owners)
Marketplace (subscription advertising + workflow tools)
39%
Side-by-side metrics
Moat coverage
Shared moat types
reAlpha Tech Corp. strengths
CoStar Group, Inc. strengths
Segment mix
reAlpha Tech Corp. segments
Full profile >Homebuying Platform & Transaction Services
Competitive
AiChat Conversational AI SaaS
Competitive
CoStar Group, Inc. segments
Full profile >CoStar (commercial real estate info & analytics)
Oligopoly
Information Services (lease management software + international info)
Competitive
Multifamily (Apartments.com Network)
Oligopoly
LoopNet (commercial property marketing marketplace)
Oligopoly
Residential (Homes.com + OnTheMarket)
Oligopoly
Other Marketplaces (Ten-X, Land.com, BizBuySell, etc.)
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.