CoStar Group, Inc. (CSGP) stock
Close on Nov 11, 2026Market cap $12.18BP/E 68.8Yield –
CoStar Group, Inc. grew revenue 20.2% to $3.67B over the twelve months to Sep 30, 2026. Free cash flow was $422.00M, up 786.6% from a year earlier. At the latest close the market valued the company at $12.18B, 68.8 times its earnings.
Key statistics
Valuation at the latest close; fundamentals over the trailing twelve months, balances at Sep 30, 2026
Valuation
- Market cap
- $12.18B
- P/E ratio
- 68.8
- Price to sales
- 3.31
- Price to book
- 1.53
- Dividend yield
- –
- Free cash flow yield
- 3.47%
Fundamentals
- Revenue
- $3.67B
- Net income
- $179.00M
- EPS, diluted
- $0.44
- Free cash flow
- $422.00M
- Book value per share
- $19.84
- Diluted shares
- 402M
Trading
- Next earnings
- Feb 23, 2027 (estimated, after the close)
- Previous close
- $30.33
- Open
- $29.82
- Day's range
- $29.68 – $30.38
- Volume
- 3,815,171
- Average volume (20 days)
- 6,453,308
- Index membership
- S&P 500 (since Sep 2022), Russell 1000, Russell 3000
- Beta (5 years)
- 1.04
- 52-week range
- $25.89 – $70.57
- RSI (14 days)
- 47.7
- Volatility (1 year)
- 49.1%
- Relative volume
- 0.57×
- WACC
- 9.6%
On 1 of our idea list: Shareholder yield
Index membership is inferred from the holdings of funds that track each index (VOO, IVV, SPYM, IWB, IWV), as reported to the SEC for Jun 30, 2026. Join dates come from quarterly fund reports since 2019, so they are accurate to the quarter.
Market cap history
Month-end market cap since 2010, using shares outstanding reported at the time
Total return vs. the S&P 500
Price change plus reinvested dividends, to the close on Nov 11, 2026. The S&P 500 is measured by the SPY fund.
| Period | CSGP | S&P 500 | Difference | CSGP per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | +2.0% | -2.4% | +4.4 pts | ||
| 3 months | -2.7% | -1.2% | −1.6 pts | ||
| Year to date | -55.0% | +12.3% | −67.3 pts | ||
| 1 year | -55.8% | +12.4% | −68.2 pts | ||
| 3 years | -62.0% | +78.8% | −140.8 pts | -27.6% | +21.4% |
| 5 years | -62.9% | +75.2% | −138.1 pts | -18.0% | +11.9% |
| 10 years | +62.6% | +311.1% | −248.5 pts | +5.0% | +15.2% |
Fifteen years at a glance
Fiscal years 2011 to 2025 and trailing twelve months, USD
Revenue
Gross profit
Operating income
Net income
EPS, diluted
Free cash flow
Press releases
Releases CoStar filed with the SEC as exhibits to Form 8-K or 6-K
- Results
- Results
- Update
- Results
- Update
- Update
About CoStar
Services-Business Services, NEC
CoStar Group provides online real estate marketplaces, information, analytics, and 3D digital twin technology across property markets. The company operates through two main business segments: Commercial Real Estate and Residential Real Estate. Its commercial portfolio includes the CoStar real estate intelligence platform, LoopNet commercial marketing networks, BizBuySell for business sales, Ten-X for commercial property auctions, and Matterport spatial data capture services. Its residential brands include Apartments.com, Homes.com, Land.com, Domain in Australia, and OnTheMarket in the United Kingdom. CoStar Group serves property owners, real estate agents and brokers, developers, institutional investors, appraisers, financial institutions, and property managers.
Company profile, executives and historyCoStar stock: common questions
What is CoStar's stock price?
CSGP closed at $30.27 on Nov 11, 2026, down 0.21% on the day. Over the past 52 weeks it traded between $25.89 and $70.57.
What is CoStar's market cap?
CoStar was worth $12.18B at the close on Nov 11, 2026: the share price times the diluted shares outstanding.
What is CSGP's P/E ratio?
CSGP trades at 68.8 times earnings, based on diluted earnings per share of $0.44 over the twelve months to Sep 30, 2026.
How much revenue does CoStar make?
CoStar reported revenue of $3.67B for the twelve months to Sep 30, 2026, up 20.2% from a year earlier.
Does CoStar pay a dividend?
No. CoStar has not paid a cash dividend over the last twelve months.
When does CoStar report earnings next?
CoStar is expected to report Q4 FY2026 results on Feb 23, 2027, after the close. The date is estimated from its past reporting pattern until the company confirms it.
How has CSGP stock performed over the past year?
Including dividends, CSGP returned -55.8% over the past year, against +12.4% for the S&P 500.
How many CSGP shares are sold short?
12M shares were sold short at the latest FINRA report, 3.15% of the float, or 1.7 days of average trading volume.
Who are CoStar's competitors?
Companies most similar to CoStar by business, industry and size include RBA, ZG, MSCI, ADV, CNDT.
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