CSGP
COSTAR GROUP, INC.
NASDAQ · Real Estate · Real Estate - Services · US
$29.09
−0.70%Price chart
Aug 19Aug 24Aug 27Sep 1Sep 4Sep 10Sep 15Sep 18
Key dataSep 18, 2026
Open$29.30
From 52W high−67.41%
Volume16.88M
Market cap$11.79B
P/E (TTM)158.4x
P/S (TTM)3.3x
Div yield—
Key dataSep 18, 2026
Open
$29.30
From 52W high
−67.41%
Volume
16.88M
Market cap
$11.79B
ValuationView details →
P/E (Fwd)
18.7x
EV/EBITDA
27.9x
P/E (TTM)
158.4x
RSI (14)
43.0
MomentumView details →
1D Return
−0.70%
YTD Return
−56.03%
SummaryUpdated Jun 1, 2026
CoStar Group, Inc. (NASDAQ:CSGP) is a leading provider of commercial real estate information, analytics, and online marketplace services founded in 1987 and headquartered in Washington, D.C. The company went public in 1998 and has grown through strategic acquisitions and organic expansion to become the dominant player in commercial real estate data and services. CoStar operates across multiple segments including commercial real estate information services, residential real estate platforms, and online marketplaces, serving professionals in the United States, Canada, Europe, and other international markets.
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