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CoStar Group Inc (CSGP)

Nasdaq · Common stock · Services-Business Services, Nec

$32.92-0.13 (-0.39%)

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CSGP at a glance

Key statistics

$13.39B

Market capitalization

Previous close
$33.05
Open
$32.95
Day range
$32.76 – $33.28
Volume
1.73M
Average volume (30 sessions)
5.91M
Shares outstanding
405.20M
Price / earnings
181.9
Earnings per share
$0.18
Price / book
1.7
Price / sales
3.8
Beta (1 year, vs SPY)
0.21

Where the price sits in its year

52-week range

13% of the range

Below the 52-week high
-58.4%
Above the 52-week low
+27.1%

Completed sessions through Oct 20, 2026

Technical snapshot

Above its 50-day average, below its 200-day

20-day average
$29.08+13.7%
50-day average
$30.37+8.8%
200-day average
$37.90-12.8%
RSI (14)68.7

Between the conventional 30 and 70 bands.

+10.2%

1 week

+13.8%

1 month

+19.4%

3 months

-50.8%

Year to date

-55.3%

1 year

Price change over each window, from completed sessions. Past performance does not indicate future results.

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From the public news wire

CSGP headlines

Market news →

SEC Form 4, most recent first

Insider filings

How to read these →
  • Rossmann Robin Jack

    −756

    Chief Financial Officer · Shares withheld for tax

    $24.19K · Oct 15, 2026

  • Hill John W

    −3.5K

    Director · Open-market sale

    $105.73K · Aug 5, 2026

  • Cann Cynthia Cammett

    −4.8K

    Chief Accounting Officer · Open-market sale

    $147.37K · Aug 7, 2026

  • FLORANCE ANDREW C

    +83.3K

    Founder and CEO, Director · Open-market purchase

    $2.49M · Aug 4, 2026

  • Cann Cynthia Cammett

    +26.1K

    Chief Accounting Officer · Grant or award

    · Jul 31, 2026

  • Rossmann Robin Jack

    +34.8K

    Chief Financial Officer · Grant or award

    · Jul 31, 2026

  • SAINT FREDERICK G.

    −1.4K

    President, Marketplaces · Shares withheld for tax

    $41.30K · Aug 1, 2026

  • Cann Cynthia Cammett

    −1.1K

    Chief Accounting Officer · Shares withheld for tax

    $30.97K · Aug 1, 2026

About CoStar Group Inc

CoStar Group is a global provider of proprietary information, analytics, and online marketplaces serving both commercial and residential real estate. The firm operates through a diverse portfolio of brands, including CoStar Suite for commercial real estate research, LoopNet for commercial listings, Apartments.com for multifamily rentals, and Homes.com for residential brokerage. It primarily sells high-margin software-as-a-service subscriptions that provide institutional clients with forensic property data and premium advertising visibility. With operations across North America, Europe, and Asia-Pacific, CoStar maintains the industry's most comprehensive centralized real estate database, functioning as a critical information utility for brokers, lenders, and owners worldwide.

Exchange
Nasdaq
Security
Common stock
Industry
Services-Business Services, Nec
Headquarters
Arlington, VA
Employees
8,000
Listed since
Jul 1, 1998
Educational content only. MadStockAlerts provides market commentary, research, and educational content. It is not personalized investment advice, and nothing here is a recommendation to buy or sell any security. Trading and investing involve substantial risk, including loss of capital. See the Risk Disclosure and Customer Agreement.

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