Massivemarkets

CSGP

CoStar Group Inc

Nasdaq · usd

$28.14+0.60 (+2.18%)
At close · 15-minute delayed
$28.16+0.02 (+0.07%)
As of 6:54:42 PM EDT on Oct 29, 2026 · After hours

CoStar Group Inc (CSGP) trades at $28.14 (+2.18%) as of 6:54:42 PM EDT on Oct 29, 2026, +2.70% over the past month. Market cap is $11.16B, with 2.9 days to cover in short interest.

Stock performance

How CoStar Group Inc (CSGP) stock has performed from one day to one year, with its 52-week range.

+1.33%
+$0.37 over 1D
$27.24$27.58$27.93$28.274:00 AM10:10 AM12:20 PM2:25 PM6:45 PM$28.14
1D
+2.18%
1W
-20.62%
1M
+2.70%
YTD
-58.15%
1Y
-59.59%
52-wk range
$25.89 – $70.76

Key statistics

Today's trading snapshot for CSGP: day range, open, previous close, volume and market cap.

Day range
$27.07 – $28.39
Open
$27.69
Prev close
$27.54
Volume
7.16M
Market cap
$11.16B
Shares out
405.2M

Valuation and profitability ratios: P/E, P/S, ROE

Valuation and profitability ratios for CoStar Group Inc: P/E, P/S, P/B, ROE and more.

P/E
151.62
P/S
3.14
P/B
1.41
P/FCF
49.16
ROE
0.9%
ROA
0.7%
Debt/Equity
0.13
Div yield
0.00%

As of Oct 28, 2026

8-K filings

Material corporate events CoStar Group Inc has disclosed to the SEC on Form 8-K.

  • Acquisition agreementOct 27, 2026

    On October 27, 2026, CoStar Group, Inc., through its wholly owned subsidiaries, entered into an Agreement and Plan of Merger with Vexcel Group, Inc. and Fortis Advisors LLC, solely as stockholder representative, to acquire Vexcel, a leading provider of comprehensive aerial imagery and geospatial data programs, for $730 million in cash, subject to customary working capital and other post-closing adjustments.

  • Acquisition completionAug 21, 2026

    CoStar Group, Inc., a Delaware corporation, issued a press release announcing the completion of its acquisition of Bora, Inc., a Delaware corporation, and its subsidiaries (together, "Zonda"), for $800 million in cash.

  • Cfo departureJul 13, 2026

    On July 7, 2026, Christian Lown, Chief Financial Officer (Principal Financial Officer) of the Company, informed the Company of his decision to resign, effective July 31, 2026, for another opportunity outside the Company's industry.

  • Annual meeting resultsJun 25, 2026

    Each of the following nominees was elected to our Board to serve until the Company's 2027 Annual Meeting of Stockholders or until his or her successor is elected and qualified: Louise S. Sams, Andrew C. Florance, John L. Berisford, Angelique G. Brunner, Rachel C. Glaser, John W. Hill, Christine M. McCarthy, and Robert W. Musslewhite.

  • Acquisition agreementMay 29, 2026

    On May 28, 2026, CoStar Group, Inc. ('CoStar Group' or the 'Company'), through its wholly owned subsidiary, CoStar Realty Information, Inc., a Delaware corporation, entered into a Stock Purchase Agreement (the 'Purchase Agreement') with Bora Holdings Group, L.P., a Delaware limited partnership (the 'Seller'), and Bora, Inc., a Delaware corporation (together with its subsidiaries, 'Zonda'), to acquire Zonda, a leading provider of new home construction data, homebuilder software, and residential real estate marketplace solutions, for $800 million in cash at closing (the 'Transaction').

Dividend history and stock splits

CoStar Group Inc's recent dividend payments and stock splits.

Dividends

No recent dividends.

Splits

  • 10-for-1Jun 28, 2021

CSGP short interest

How heavily CSGP is shorted: shares short, days to cover and average daily volume.

Days to cover
2.9
Short interest
14.99M
Avg volume
5.2M

As of · reported to FINRA twice monthly.

CSGP news

The latest news and headlines about CoStar Group Inc (CSGP).

Frequently asked questions

What is the CoStar Group Inc (CSGP) stock price today?

CoStar Group Inc (CSGP) is trading at $28.14 (+2.18% on the day) as of 6:54:42 PM EDT on Oct 29, 2026. Prices are delayed at least 15 minutes; real-time quotes are available from the Massive API.

What is 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…

What is the short interest in CSGP?

As of Oct 15, 2026, CSGP has 14.99M shares short and 2.9 days to cover.

What exchange is CSGP listed on?

CoStar Group Inc (CSGP) trades on Nasdaq in USD, in the SERVICES-BUSINESS SERVICES, NEC industry.

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