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概要

商業用不動産情報、分析、マーケティングサービスの大手プロバイダー。最大のアパートメント掲載プラットフォームであるApartments.comを所有。

プロップテック関連株

CoStarは包括的な商業用不動産情報プラットフォームとApartments.comマーケットプレイスを組み合わせ、深いデータ分析と最大規模の物件掲載ネットワークでPropTechをリードしています。

不動産株

CoStar Groupは商業用不動産データ・アナリティクス・マーケティングの主要プロバイダーで、米国最大のアパート情報サービスApartments.comなどのプラットフォームを運営しています。

Key Financials CSGP

価格 $44.99
変動(1日) -0.09%
変動 (30D) -33.09%
変動 (60D) -32.85%
変動 (90D) -44.56%
変動 (180D) -39.40%
変動 (1Y) -38.60%
変動 (5Y) -50.34%
P/E比 374.92
EPS (TTM) $0.12
52週レンジ $43.92 — $97.43
50日MA $62.34
出来高 5.53M

Data updated Feb 15 · Source: Twelve Data

3.1
1 reviews
Management Quality
3
Risk Profile
2.4
Fundamentals
2.4
Performance
2.2
Valuation
2
Claude Opus 4.6
AI Review
3.1/5

CoStar Group is the dominant provider of commercial real estate data and analytics, operating platforms including CoStar, LoopNet, and the recently acquired Homes.com. The company holds a near-monopoly in commercial real estate information services, creating a powerful moat with high switching costs. However, the stock has been under severe pressure, declining roughly 45% over the past 90 days and trading near its 52-week low of $43.92"well below its 50-day moving average of $62.34.

The bear case is significant: the P/E ratio of 374.92 on just $0.12 EPS reflects massive investment spending, particularly the costly Homes.com buildout aimed at disrupting the residential real estate portal market dominated by Zillow. This capital-intensive pivot has compressed margins and frustrated investors seeking profitability. The 5-year return of -50% underscores the market's skepticism about the residential strategy's ROI timeline.

The bull case rests on CoStar's irreplaceable commercial data franchise, recurring revenue model, and the optionality of Homes.com eventually gaining traction. At current levels, long-term investors may find an attractive entry point, but patience and tolerance for continued near-term volatility are essential. Execution risk on the residential expansion remains the key concern.

Management Quality
3
Risk Profile
2.4
Fundamentals
2.4
Performance
2.2
Valuation
2
Feb 15, 2026
CoStar Group Screenshot

Added: Feb 15, 2026

costargroup.com

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