AIEQ · Exit · 1d
weight 0.050% → 0 (exited)·stock up 6.5% in the 30 days before
Sep 1·entry $31.98·now $31.68
-0.94%
since Sep 1
CSGP
DefensiveCoStar Group, Inc.
CoStar Group, Inc. provides information, analytics, and online marketplace services to real estate and related business communities in the United States, Australia, Canada, Europe, the Asia Pacific, and Latin America. It offers CoStar Property that provides inventory of office, industrial, retail, multifamily, hospitality, and student housing, and land properties; CoStar Leasing, a data on lease transactions and tools to manage user-entered lease data; CoStar Sales, a database of commercial real estate sales transactions; CoStar Owners provides detailed portfolio information; CoStar Markets to view and report on market and submarket trends; and CoStar Tenant that provides tenant information.
Close · 3M
-13.06%
Held by 0 AI ETFs
None of the tracked AI ETFs currently hold this name.
Signal performance
Each tracked ETF's moves on this stock, grouped by fund. Returns are measured from the signal date to the latest close — hypothetical, no commissions or slippage.
Buy signals4
Win rate75% (3/4)
Avg buy return+5.15%
AIEQ · New entry · 1d
weight 0 → 0.050% (new)·stock down 2.0% in the 30 days before
Aug 2·entry $30.03·now $31.68Drifting
+5.49%
since Aug 2
PQUS · Exit · 1d
weight 0.050% → 0 (exited)·stock up 9.4% in the 30 days before
Aug 28·entry $32.22·now $31.68
-1.68%
since Aug 28
PQUS · Weight increase · 2d
weight 0.020% → 0.040% (+0.020 pp)·stock down 2.0% in the 30 days before
Jul 31·entry $28.76·now $31.68Chased
+10.15%
since Jul 31
PQUS · New entry · 1d
weight 0 → 0.020% (new)·stock down 16.3% in the 30 days before
Jul 10·entry $28.39·now $31.68Chased
+11.59%
since Jul 10
PQUS · Exit · 1d
weight 0.060% → 0 (exited)·stock down 6.4% in the 30 days before
Jun 26·entry $30.25·now $31.68
+4.73%
since Jun 26
PQUS · Weight decrease · 2d
weight 0.360% → 0.250% (-0.110 pp)·stock down 5.7% in the 30 days before
May 29·entry $32.20·now $31.68
-1.61%
since May 29
PQUS · Weight increase · 2d
weight 0.360% → 0.380% (+0.020 pp)·stock down 12.5% in the 30 days before
May 21·entry $33.93·now $31.68Fresh
-6.63%
since May 21
PQUS · Weight decrease · 2d
weight 0.390% → 0.370% (-0.020 pp)·stock down 12.2% in the 30 days before
May 8·entry $32.77·now $31.68
-3.33%
since May 8
Sell signals show what the stock did after the AI exited. A negative number means the AI's exit was well-timed.
Buffett-style framework
Fails the frameworkas of Aug 30
One AI-managed ETF, PQUS, recently exited its position in CoStar Group, which aligns with this framework's 'Fail' verdict due to financial health and valuation concerns. However, AIEQ maintains a small holding, suggesting some AI interest remains despite the identified fundamental issues.
- Circle of CompetenceCoStar's dominant position in commercial real estate information and marketplaces, coupled with its subscription-based and transaction-fee models, suggests reasonably predictable unit economics for long-term cash flow projection.
- Economic MoatCoStar exhibits strong network effects from its extensive data repository, high switching costs for integrated professional users, and significant brand power in its various real estate marketplaces, creating a durable economic moat.
- ManagementThe provided data does not offer sufficient information to assess management's candor, capital allocation discipline, or ownership stake, making a judgment on this stage impossible.
- Financial HealthThe company's reported Return on Equity (ROE) of 0.9% is significantly below the framework's minimum threshold of 15% average and 10% in any single year, indicating poor financial health by this measure.
- Margin of SafetyWith a P/E ratio of 169.9 and a PBR of 3.42 against an ROE of 0.9%, the current price does not offer a defensible discount to a conservative estimate of intrinsic value, failing the margin of safety criterion.
CoStar Group operates within a predictable circle of competence and possesses a strong economic moat. However, the company fails on financial health due to an extremely low Return on Equity and lacks a margin of safety given its very high valuation multiples. Therefore, despite its business quality, the company does not meet the investment criteria under this framework.
Educational interpretation generated by AI applying frameworks Warren Buffett documented in his shareholder letters and other public writings. Not a statement by Mr. Buffett or Berkshire Hathaway, and not investment advice.