CSGP

$44.25

Post-MarketAs of Mar 17, 8:00 PM UTC

CoStar Group, Inc.

Historical Price

Price (Line)
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Peer Comparison

Whystock Valuation Model

Calculated using a trailing P/E relative model adjusted by sector ROE and historical growth.
Current Price$44.25
Potential Downside
99.2%
Whystock Fair Value$0.36
Price
UndervaluedFair ValueOvervalued

Fundamentals

SectorReal Estate
IndustryReal Estate Services

CoStar Group, Inc. provides information, analytics, and online marketplace services to real estate and related business communities in the United States, Australia, Canada, Europe, the Asia Pacific, and Latin America. It offers CoStar Property that p...

Market Cap
Total dollar market value of a company's outstanding shares of stock (Price * Shares).
$18.75B
P/E Ratio
Priced for growth. Investors expect sustained double-digit expansion.
2212.50
Beta
Defensive asset. Lower volatility than the S&P 500.
0.90
Div Yield
Low to zero yield. Return is entirely dependent on price appreciation.
0.00%
ROIC
Average efficiency. Growth may require heavy reinvestment.
0.09%
Quick Ratio
Pristine liquidity. Sufficient cash to cover all near-term obligations.
2.54

Recent News

Simply Wall St.
Mar 14, 2026

Assessing CoStar Group (CSGP) Valuation After Activist Scrutiny Of Homes.com Transparency

Activist pressure around CoStar Group (CSGP) has intensified after D. E. Shaw and Third Point criticized the company’s new reporting structure for Homes.com, arguing that reduced disclosure hurts accountability and has coincided with sharp share price volatility. See our latest analysis for CoStar Group. That activist campaign sits against a weak recent trading backdrop, with CoStar’s 90 day share price return of negative 36.05% and 1 year total shareholder return of negative 44.58% pointing...

BEARISH
Negative press. News cycle fixated on risk factors or misses.
Insider Monkey
Mar 13, 2026

Investment Firm Criticizes CoStar (CSGP) Financial Transparency

CoStar Group Inc. (NASDAQ:CSGP) is among the 10 best non-tech stocks to buy and hold for 5 years. On March 10, the D.E. Shaw group sent an open letter to the CoStar Group Inc. (NASDAQ:CSGP) board. In the letter, they criticized the decision of CoStar Group Inc. (NASDAQ:CSGP) to reconfigure its reporting segments, expressing concern […]

BULLISH
Positive press. Headlines skewed toward growth and analyst upgrades.
Motley Fool
Mar 13, 2026

Bamco Expands FactSet Stake to $838 Million as Financial Data Platform Drives Recurring Revenue

FactSet provides financial data, analytics, and workflow software used by investment professionals worldwide. Because its platform is embedded in research and portfolio-management systems, the company generates recurring subscription revenue tied to the day-to-day operations of investment firms.

BULLISH
Positive press. Headlines skewed toward growth and analyst upgrades.
Barchart
Mar 12, 2026

CoStar Group Stock: Is CSGP Underperforming the Real Estate Sector?

CoStar Group has outperformed the real estate sector over the past year, and analysts remain moderately optimistic about the stock’s outlook.

BULLISH
Positive press. Headlines skewed toward growth and analyst upgrades.
Investing.com
Mar 11, 2026

CoStar raises concerns of D.E. Shaw conflict of interest in Homes.com feud

Investing.com -- CoStar Group Inc (NASDAQ:CSGP) fired back at D.E. Shaw today, alleging the activist investor is attempting to sabotage Homes.com to benefit larger stakes in rival companies. The real estate giant pointed out that D.E. Shaw’s most recent public filing shows ownership of just 0.22% of CoStar, while holding nearly four times that value in direct competitors.

BEARISH
Negative press. News cycle fixated on risk factors or misses.