CoStar Group, Inc.

CSGP · NASDAQ · S&P 500 · Real Estate - Services

$27.69

+0.15 · +0.55% today

Market open · updated 12:44:26 PM ET

Oct 29, 2026 +0.58%

High
$27.98 4:35 AM
Low
$27.60 4:10 AM

Against the S&P 500 Price change through Oct 28, 2026

This year

CSGP−59.04%

S&P 500+13.26%

1 year

CSGP−64.80%

S&P 500+12.41%

3 years

CSGP−60.98%

S&P 500+88.06%

5 years

CSGP−68.55%

S&P 500+68.51%

Key numbers

Previous close
$27.54
Open
$27.66
Day's range
$27.07 – $28.16
52-week range
$25.89 – $70.76
Volume
2.4 million
Average volume
6.7 million
Market value
$11.2 billion
Price to earnings
63.0last 12 months
Earnings per share
$0.45last 12 months
Beta
0.80moves less than the market
Dividend
None
50-day average
$30.48
200-day average
$37.01

Analyst price targets and the full financials are in the terminal.

Who CoStar buys from and competes with From our value chain

CoStar in the news

Congress trades in CSGP

7 purchases and 1 sale in the latest 8 filings.

MemberTradeAmountTradedDisclosed
Ro KhannaHouse · D-CaliforniaPurchase$1,001 - $15,000Sep 25, 2026Oct 9, 2026
Ro KhannaHouse · D-CaliforniaPurchase$1,001 - $15,000Sep 11, 2026Oct 9, 2026
Gilbert CisnerosHouse · D-CaliforniaPurchase$1,001 - $15,000Aug 19, 2026Sep 11, 2026
Gilbert CisnerosHouse · D-CaliforniaSale$1,001 - $15,000Apr 14, 2026May 11, 2026
Gilbert CisnerosHouse · D-CaliforniaPurchase$1,001 - $15,000Mar 13, 2026Apr 8, 2026
Gilbert CisnerosHouse · D-CaliforniaPurchase$1,001 - $15,000Jan 28, 2026Feb 16, 2026
Gilbert CisnerosHouse · D-CaliforniaPurchase$1,001 - $15,000Dec 10, 2025Jan 13, 2026
Gilbert CisnerosHouse · D-CaliforniaPurchase$1,001 - $15,000Oct 15, 2025Nov 19, 2025

Source: Periodic transaction reports filed with the House and the Senate · Members disclose ranges, not exact amounts, and may file weeks after the trade.

About CoStar

CoStar Group, Inc. (CSGP) stands as a premier global provider of comprehensive information, sophisticated analytics, and dynamic online marketplace services. The company caters to professionals within the commercial real estate, hospitality, residential, and related industries, extending its reach across the United States, Canada, Europe, the Asia Pacific region, and Latin America.

Sector
Real Estate
Industry
Real Estate - Services
Employees
8,441
Headquarters
Arlington, Virginia
Listed
Jul 1, 1998

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