CoStar Group

1D
1W
1M
3M
YTD
1Y
5Y
ALL

Trade CoStar Group 24 hours a day, five days a week on Robinhood.

Robinhood gives you the tools to revolutionize your trading experience. Use the streamlined mobile app, or access advanced charts and execute precise trades on our browser-based platform, Robinhood Legend. Risks and limitations apply.

About CSGP

CoStar Group, Inc. engages in the provision of online real estate marketplaces, information, and analytics in the commercial and residential property markets. It operates through the following segments: CoStar Portfolio, Information Services Portfolio, Multifamily Portfolio, LoopNet Portfolio, and Other Marketplaces Portfolio. 

CEO
Andrew C. Florance
CEOAndrew C. Florance
Employees
6,593
Employees6,593
Headquarters
Arlington, Virginia
HeadquartersArlington, Virginia
Founded
1987
Founded1987
Employees
6,593
Employees6,593

CSGP Key Statistics

Market cap
27.47B
Market cap27.47B
Price-Earnings ratio
1.24K
Price-Earnings ratio1.24K
Dividend yield
Dividend yield
Average volume
3.92M
Average volume3.92M
High today
$65.09
High today$65.09
Low today
$63.26
Low today$63.26
Open price
$63.62
Open price$63.62
Volume
4.68M
Volume4.68M
52 Week high
$97.43
52 Week high$97.43
52 Week low
$62.00
52 Week low$62.00

Stock Snapshot

With a market cap of 27.47B, CoStar Group(CSGP) trades at $64.83. The stock has a price-to-earnings ratio of 1237.74.

On 2025-12-18, CoStar Group(CSGP) stock moved within a range of $63.26 to $65.09. With shares now at $64.83, the stock is trading +2.5% above its intraday low and -0.4% below the session's peak.

Trading volume for CoStar Group(CSGP) stock has reached 4.68M, versus its average volume of 3.92M.

Over the past 52 weeks, CoStar Group(CSGP) stock has traded between a high of $97.43 and a low of $62.00.

Over the past 52 weeks, CoStar Group(CSGP) stock has traded between a high of $97.43 and a low of $62.00.

CSGP News

Simply Wall St 2d
CoStar Group: Rethinking Valuation After Google Tests Direct Homes‑for‑Sale Search Listings

CoStar Group (CSGP) slid after reports that Google is testing homes for sale listings directly in search results. This move could reshape how buyers find proper...

CoStar Group: Rethinking Valuation After Google Tests Direct Homes‑for‑Sale Search Listings
Nasdaq 3d
Nasdaq 100 Movers: CSGP, KLAC

In early trading on Monday, shares of KLAC topped the list of the day's best performing components of the Nasdaq 100 index, trading up 4.7%. Year to date, KLAC...

Nasdaq 100 Movers: CSGP, KLAC

Analyst ratings

68%

of 22 ratings
Buy
68.2%
Hold
27.3%
Sell
4.5%

People also own

Based on the portfolios of people who own CSGP. This list is generated using Robinhood data, and it’s not a recommendation.
All investments involve risks, including the loss of principal. Securities trading offered through Robinhood Financial LLC, Member SIPC and a registered broker-dealer.