P/B ratio history for BIOLASE, Inc.
| Date | Price-to-Book ratio | 
|---|---|
| 31 Dec 2023 | -5.79 | 
| 31 Dec 2022 | 0.92 | 
| 31 Dec 2021 | 2.29 | 
| 31 Dec 2020 | 2.56 | 
| 31 Dec 2019 | 33.85 | 
| 31 Dec 2018 | 1.84 | 
| 31 Dec 2017 | 1.08 | 
| 31 Dec 2016 | 3.85 | 
| 31 Dec 2015 | 1.96 | 
| 31 Dec 2014 | 2.81 | 
| 31 Dec 2013 | 11.59 | 
| 31 Dec 2012 | 5.26 | 
| 31 Dec 2011 | 6.38 | 
| 31 Dec 2010 | -15.17 | 
| 31 Dec 2009 | 6.25 | 
| 31 Dec 2008 | 4.10 | 
| 31 Dec 2007 | 3.65 | 
| 31 Dec 2006 | 9.99 | 
| 31 Dec 2005 | 9.24 | 
| 31 Dec 2004 | 7.92 | 
| 31 Dec 2003 | 11.71 | 
| 31 Dec 2002 | 22.53 | 
| 31 Dec 2001 | 75.09 | 
| 31 Dec 2000 | 32.70 | 
| 31 Dec 1999 | -52.74 | 
| 31 Dec 1998 | 48.85 | 
| 31 Dec 1997 | 22.55 | 
| 31 Dec 1996 | 12.63 | 
| 31 Dec 1995 | 24.17 | 
| 31 Dec 1994 | 5.29 | 
| 31 Dec 1993 | 9.12 | 
| 31 Dec 1992 | 26.30 | 
