Basics CoStar Group, Inc. CoStar Group Inc provides commercial real estate data covering over 4 million properties from various subsectors from commercial areas. It operates five flagship brands: CoStar, LoopNet, Apartments.com, BizBuySell, and LandsofAmerica. IPO Date: July 1, 1998 Sector: Industrials Industry: Professional Services Market Cap: $28.82B Activated in VL: True Average Daily Range Avg Daily Range: $2.20 | 1.35% Avg Daily Range (30 D): $0.67 | 0.97% Avg Daily Range (90 D): $0.93 | 1.14% Institutional Daily Volume Avg Daily Volume: .52M Avg Daily Volume (30 D): 3.58M Avg Daily Volume (90 D): 2.6M Trade Size Avg Trade Size (Sh.): 64 Avg Trade Size (Sh.) (30 D): 65 Avg Trade Size (Sh.) (90 D): 57 Institutional Trades Total Inst.Trades: 11,926 Avg Inst. Trade: $7.46M Avg Inst. Trade (30 D): $6.99M Avg Inst. Trade (90 D): $8.52M Avg Inst. Trade Volume: .15M Avg Inst. Trades (Per Day): 3 Market Closing Trades Avg Closing Trade: $22.66M Avg Closing Trade (30 D): $50.14M Avg Closing Trade (90 D): $47.87M Avg Closing Volume: 351.91K     News Sep 8, 2025 @ 10:02 PM 2 Stocks That Could Rocket on a Fed Rate Cut Source: Sam Quirke Jul 15, 2025 @ 4:30 PM CoStar: A Strong Contender in the Real Estate Data... Source: Nicholas Sciple, Tyler Crowe Feb 18, 2025 @ 10:30 PM CoStar Group Revenue Beats, EPS Dips Source: Jesterai Nov 5, 2024 @ 1:00 PM Zillow's 10X Opportunity in Real Estate Source: Travis Hoium Oct 23, 2024 @ 5:05 PM Why CoStar Group Stock Was Sliding Today Source: Jeremy Bowman Financials   TTM Q2 2025 Q1 2025 Basic EPS $.25 $.01 $-.04 Diluted EPS $.25 $.01 $-.04 Revenue $ 2.92B $ 781.3M $ 732.2M Gross Profit $ 2.31B $ 613.5M $ 578.9M Net Income / Loss $ 104.2M $ 6.2M $ -14.8M Operating Income / Loss $ -6.3M $ -27.2M $ -42.8M Cost of Revenue $ 602.6M $ 167.8M $ 153.3M Net Cash Flow $ -1192.5M $ -51.2M $ -902.8M PE Ratio 272.00     Splits Jun 28, 2021:   10:1