CoStar Group, Inc. (CSGP) stock

CSGPNasdaqServices-Business Services, NECFiscal year ends December 31

Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Oct 28, 2026Score 14/3010% below fair value

$30.10−0.16 (-0.55%)

Close on Nov 12, 2026Market cap $12.11BP/E 68.4Yield –

CoStar EV/EBITDA

EV/EBITDA is enterprise value divided by EBITDA over the trailing twelve months.

CoStar's EV/EBITDA was 31.4× on Nov 11, 2026, against 196.0× a year earlier. Over the last 5 years it ranged from 28.4× to 218.0×, with a median of 66.1×.

EV/EBITDA at the end of each year

Period	Period end	Value	Change (pts)
2026	Nov 11, 2026	31.4×	−159.9
2025	Dec 31, 2025	191.3×	+43.5
2024	Dec 31, 2024	147.9×	+77.9
2023	Dec 29, 2023	70.0×	+26.3
2022	Dec 30, 2022	43.7×	−15.0
2021	Dec 31, 2021	58.8×	−13.3
2020	Dec 31, 2020	72.1×	+26.0
2019	Dec 31, 2019	46.0×	+7.7
2018	Dec 31, 2018	38.3×	−1.5
2017	Dec 29, 2017	39.8×	+13.9
2016	Dec 30, 2016	26.0×	−64.5
2015	Dec 31, 2015	90.5×	+33.6
2014	Dec 31, 2014	56.9×	−35.9
2013	Dec 31, 2013	92.8×	+24.6
2012	Dec 31, 2012	68.1×	+23.5
2011	Dec 30, 2011	44.6×	+3.6
2010	Dec 31, 2010	41.0×	–