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 14/308% below fair value

$30.96+0.86 (+2.86%)

Close on Nov 13, 2026Market cap $12.46BP/E 70.4Yield –

CoStar price to book ratio

The price-to-book ratio is market cap divided by shareholders' equity.

CoStar's price to book ratio was 1.6× on Nov 11, 2026, against 3.3× a year earlier. Over the last 5 years it ranged from 1.4× to 5.6×, with a median of 4.3×.

Price to Book Ratio at the end of each year

Period	Period end	Value	Change (pts)
2026	Nov 11, 2026	1.6×	−1.7
2025	Dec 31, 2025	3.2×	−0.6
2024	Dec 31, 2024	3.9×	−1.0
2023	Dec 29, 2023	4.9×	+0.4
2022	Dec 30, 2022	4.6×	−1.0
2021	Dec 31, 2021	5.6×	−1.0
2020	Dec 31, 2020	6.5×	−0.1
2019	Dec 31, 2019	6.6×	+2.4
2018	Dec 31, 2018	4.2×	−1.3
2017	Dec 29, 2017	5.5×	+1.7
2016	Dec 30, 2016	3.8×	−0.6
2015	Dec 31, 2015	4.4×	+0.7
2014	Dec 31, 2014	3.7×	−2.1
2013	Dec 31, 2013	5.7×	+2.9
2012	Dec 31, 2012	2.9×	+0.6
2011	Dec 30, 2011	2.3×	−0.9
2010	Dec 31, 2010	3.2×	–