Most-Downgraded StocksMost-DowngradedNASDAQ:CSGP CoStar Group (CSGP) Stock Price, News & Analysis $33.95 +0.02 (+0.06%) Closing price 05/22/2026 04:00 PM EasternExtended Trading$34.26 +0.31 (+0.93%) As of 05/22/2026 07:59 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more. Add Compare Share Share Stock Analysis Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock About CoStar Group Stock (NASDAQ:CSGP) View Price History Chart DataSkip Price History Chart 1 Day 5 Days 30 Days 90 Days 1 Year Advanced 1 Day 1 Day 5 Days 30 Days 90 Days 1 Year Advanced Show volume Show extended hours Get CoStar Group alerts:Sign Up Key Stats Today's Range$33.61▼$34.6450-Day Range$31.85▼$44.2552-Week Range$31.35▼$97.43Volume4.62 million shsAverage Volume8.87 million shsMarket Capitalization$13.86 billionP/E Ratio565.93Dividend YieldN/APrice Target$55.94Consensus RatingModerate Buy Company Overview CoStar Group, Inc. is a provider of information, analytics and online marketplaces for the commercial real estate industry. The company gathers property-level data, builds market analytics and supplies research tools used by brokers, owners, lenders, investors and other real estate professionals to evaluate markets, track inventory and manage listings. CoStar’s offerings are delivered primarily through subscription-based platforms that combine proprietary databases, mapping and workflow applications to support decision-making across the property life cycle. In addition to its core CoStar research service, the company operates prominent online listing and marketing platforms that connect buyers, sellers, tenants and brokers. These marketplaces host commercial and multifamily property listings, digital marketing services and transaction-support tools that facilitate leasing and sales activity. CoStar also provides specialized market reports, forecasting and performance metrics that subscribers use for portfolio analysis, site selection and competitive benchmarking. Founded in the late 1980s, CoStar has expanded its product set and geographic footprint over time through internal development and acquisitions, growing from a U.S.-focused research service into a multi-brand provider with operations in North America and selected international markets. The company is headquartered in Washington, D.C., and its leadership has emphasized building comprehensive data coverage and technology-driven solutions to address the information needs of real estate professionals. Andrew C. Florance, CoStar’s founder, has long served as the company’s chief executive and has been a prominent figure in guiding its strategy and expansion. CoStar’s position in the industry stems from its emphasis on continuous data collection, platform development and integration of marketplace services with analytics for a broad set of commercial real estate users.AI Generated. May Contain Errors. Read More CoStar Group Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks98th Percentile Overall ScoreCSGP MarketRank™: CoStar Group scored higher than 98% of companies evaluated by MarketBeat, and ranked 17th out of 624 stocks in the computer and technology sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's Opinion4.3 / 5Analyst RatingModerate Buy Consensus RatingCoStar Group has received a consensus rating of Moderate Buy. The company's average rating score is 2.53, and is based on no strong buy ratings, 12 buy ratings, 5 hold ratings, and 2 sell ratings.Upside PotentialCoStar Group has a consensus price target of $55.94, representing about 64.8% upside from its current price of $33.95.Amount of Analyst CoverageCoStar Group has been the subject of 16 research reports in the past 90 days, demonstrating strong analyst interest in this stock.Read more about CoStar Group's stock forecast and price target. Earnings and Valuation3.1 / 5Proj. Earnings Growth34.95% Earnings GrowthEarnings for CoStar Group are expected to grow by 34.95% in the coming year, from $1.03 to $1.39 per share.Price to Earnings Ratio vs. the MarketThe P/E ratio of CoStar Group is 565.93, which means that it is trading at a more expensive P/E ratio than the market average P/E ratio of about 43.12.Price to Earnings Ratio vs. SectorThe P/E ratio of CoStar Group is 565.93, which means that it is trading at a more expensive P/E ratio than the Computer and Technology sector average P/E ratio of about 161.00.Price to Earnings Growth RatioCoStar Group has a PEG Ratio of 0.87. PEG Ratios below 1 indicate that a company could be undervalued.Price to Book Value per Share RatioCoStar Group has a P/B Ratio of 1.74. P/B Ratios below 3 indicates that a company is reasonably valued with respect to its assets and liabilities.Read more about CoStar Group's valuation and earnings. Short Interest3.0 / 5Short Interest LevelHealthy Percentage of Shares Shorted4.36% of the float of CoStar Group has been sold short.Short Interest Ratio / Days to CoverCoStar Group has a short interest ratio ("days to cover") of 2.79, which is generally considered an acceptable ratio of short interest to trading volume.Change versus previous monthShort interest in CoStar Group has recently increased by 5.72%, indicating that investor sentiment is decreasing significantly. Dividend0.0 / 5Dividend StrengthN/A Dividend YieldCoStar Group does not currently pay a dividend.Dividend GrowthCoStar Group does not have a long track record of dividend growth. News and Social Media3.6 / 5News Sentiment0.72 News SentimentCoStar Group has a news sentiment score of 0.72. This score is calculated as an average of sentiment of articles about the company over the last seven days and ranges from 2 (good news) to -2 (bad news). This is a higher news sentiment than the 0.52 average news sentiment score of Computer and Technology companies.News Coverage This WeekMarketBeat has tracked 18 news articles for CoStar Group this week, compared to 11 articles on an average week.Search Interest42 people have searched for CSGP on MarketBeat in the last 30 days. This is an increase of 83% compared to the previous 30 days.MarketBeat FollowsOnly 4 people have added CoStar Group to their MarketBeat watchlist in the last 30 days. This is a decrease of 0% compared to the previous 30 days. Company Ownership4.3 / 5Insider TradingAcquiring Shares Cluster Insider Buying2 insiders have purchased shares of CoStar Group in the last three months. Multiple insiders buying is a strong bullish signal.Net Insider BuyingOver the last three months, insiders have purchased a net $2,562,696.00 in company stock, which represents 0.0185% of the company's market cap.Insider Buying vs. Insider SellingIn the past three months, CoStar Group insiders have bought more of their company's stock than they have sold. Specifically, they have bought $2,562,696.00 in company stock and sold $0.00 in company stock.Percentage Held by Insiders1.09% of the stock of CoStar Group is held by insiders.Percentage Held by Institutions96.60% of the stock of CoStar Group is held by institutions. High institutional ownership can be a signal of strong market trust in this company.Read more about CoStar Group's insider trading history. Receive CSGP Stock News and Ratings via Email Sign-up to receive the latest news and ratings for CoStar Group and its competitors with MarketBeat's FREE daily newsletter. 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CSGP Stock News HeadlinesCoStar Data Highlights Shifting Office Yields And New Residential InsightsMay 23 at 3:05 PM | finance.yahoo.comWhy CoStar Group (CSGP) is a top growth stock for the long termMay 22 at 5:21 PM | msn.comOne algorithm, 17 years, nearly 2,000% total returnsA physicist in Dublin claims his AI algorithm has beaten the market for 17 consecutive years - with nearly 2,000% total returns and only one losing year across two decades of crises. Porter Stansberry flew to Ireland to investigate the claim firsthand. The result is a new investigative documentary called 'Investigating Project Prophet,' available to stream now at no cost.May 24 at 1:00 AM | Porter & Company (Ad)CoStar Data Shows Office Yield Gap Narrowing Between London and the Big SixMay 22 at 3:00 AM | businesswire.comAre Wall Street analysts bullish on CoStar Group stock?May 20, 2026 | msn.comHomes.com Shares Most Expensive Home Sales Across Major U.S. Markets in AprilMay 20, 2026 | businesswire.comBest Real Estate Stocks To Keep An Eye On - May 17thMay 20, 2026 | americanbankingnews.comInsider Buying: CoStar Group (NASDAQ:CSGP) CEO Purchases 71,430 Shares of StockMay 5, 2026 | insidertrades.comSee More Headlines CSGP Stock Analysis - Frequently Asked Questions How have CSGP shares performed this year? CoStar Group's stock was trading at $67.24 at the start of the year. Since then, CSGP stock has decreased by 49.5% and is now trading at $33.95. How were CoStar Group's earnings last quarter? CoStar Group, Inc. (NASDAQ:CSGP) posted its quarterly earnings data on Tuesday, April, 28th. The technology company reported $0.23 EPS for the quarter, topping the consensus estimate of $0.18 by $0.05. CoStar Group's revenue for the quarter was up 22.5% compared to the same quarter last year. Read the conference call transcript. When did CoStar Group's stock split? Shares of CoStar Group split on Thursday, June 17th 2021.The 10-1 split was announced on Monday, June 7th 2021. The newly created shares were payable to shareholders after the market closes on Monday, June 28th 2021. An investor that had 100 shares of stock prior to the split would have 1,000 shares after the split. Is CoStar Group buying back stock? CoStar Group's Board of Directors authorized a stock buyback plan on Wednesday, January 7th 2026, which authorizes the company to repurchase $1,500,000,000 in outstanding shares, according to EventVestor. This means that the company could purchase up to 5.3% of its stock through open market purchases. Stock buyback plans are usually an indication that the company's board of directors believes its stock is undervalued. Does CoStar Group have any subsidiaries? The following companies are subsidiaries of CoStar Group: Homesnap. Who are CoStar Group's major shareholders? Top institutional shareholders of CoStar Group include Principal Financial Group Inc. (4.22%), Janus Henderson Group PLC (1.89%), Bank of America Corp DE (0.87%) and Amundi (0.80%). Insiders that own company stock include Michael R Klein, Andrew C Florance, Scott T Wheeler, Frederick G Saint, Frank Simuro, Lisa Ruggles, Michael J Desmarais, Cynthia Cammett Cann, Louise S Sams and John W Hill. View institutional ownership trends. How do I buy shares of CoStar Group? Shares of CSGP stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services. What other stocks do shareholders of CoStar Group own? Based on aggregate information from My MarketBeat watchlists, some other companies that CoStar Group investors own include Humana (HUM), American Water Works (AWK), Waste Connections (WCN), Voyager Therapeutics (VYGR), Invesco QQQ (QQQ), The RMR Group (RMR) and DiamondRock Hospitality (DRH). Company Calendar Last Earnings4/28/2026Today5/24/2026AGM 20266/23/2026Next Earnings (Estimated)7/28/2026Fiscal Year End12/31/2026Get Stock Alerts Health Indicator TradeSmith's Health IndicatorA long-term volatility-based measure designed for securities held 12 months or longer.Green: Strong and healthy uptrend with normal pullbacks.Yellow: Significant pullback but still within expected volatility.Red: Dropped beyond expected volatility; considered unhealthy. Red Zone (7m+) 1-Year History May 25 Aug 25 Nov 25 Feb 26 May 26 CSGP's financial health is in the Red zone, according to TradeSmith. CSGP has been in this zone for over 7 months. Industry, Sector and Symbol Stock ExchangeNASDAQ SectorComputer and Technology Industry IT Services Sub-IndustryInternet Software & Services Current SymbolNASDAQ:CSGP CIK1057352 Webwww.costargroup.com Phone(202) 346-6500Fax877-739-0486Employees8,000Year Founded1986Price Target and Rating Average Price Target for CoStar Group$55.94 High Price Target$105.00 Low Price Target$33.00 Potential Upside/Downside+64.8%Consensus RatingModerate Buy Rating Score (0-4)2.53 Research Coverage19 Analysts Profitability EPS (Trailing Twelve Months)$0.06 Trailing P/E Ratio565.93 Forward P/E Ratio32.96 P/E Growth0.87Net Income$7 million Net Margins0.74% Pretax Margin1.44% Return on Equity2.90% Return on Assets2.32% Debt Debt-to-Equity Ratio0.13 Current Ratio2.20 Quick Ratio2.20 Sales & Book Value Annual Sales$3.25 billion Price / Sales4.27 Cash Flow$1.47 per share Price / Cash Flow23.04 Book Value$19.47 per share Price / Book1.74Miscellaneous Outstanding Shares408,360,000Free Float403,905,000Market Cap$13.86 billion OptionableOptionable Beta0.75 Social Links Reduce the RiskMarket downturns give many investors pause, and for good reason. 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