P/B ratio history for Northrop Grumman Corporation
| Date | Price-to-Book ratio | 
|---|---|
| 31 Dec 2023 | 4.79 | 
| 31 Dec 2022 | 5.52 | 
| 31 Dec 2021 | 4.80 | 
| 31 Dec 2020 | 4.81 | 
| 31 Dec 2019 | 6.60 | 
| 31 Dec 2018 | 5.20 | 
| 31 Dec 2017 | 7.59 | 
| 31 Dec 2016 | 7.91 | 
| 31 Dec 2015 | 6.48 | 
| 31 Dec 2014 | 4.25 | 
| 31 Dec 2013 | 2.48 | 
| 31 Dec 2012 | 1.77 | 
| 31 Dec 2011 | 1.57 | 
| 31 Dec 2010 | 1.29 | 
| 31 Dec 2009 | 1.27 | 
| 31 Dec 2008 | 1.15 | 
| 31 Dec 2007 | 1.38 | 
| 31 Dec 2006 | 1.28 | 
| 31 Dec 2005 | 1.16 | 
| 31 Dec 2004 | 1.06 | 
| 31 Dec 2003 | 1.11 | 
| 31 Dec 2002 | 0.69 | 
| 31 Dec 2001 | 1.06 | 
| 31 Dec 2000 | 1.36 | 
| 31 Dec 1999 | 1.04 | 
| 31 Dec 1998 | 1.60 | 
| 31 Dec 1997 | 2.65 | 
| 31 Dec 1996 | 2.21 | 
| 31 Dec 1995 | 2.33 | 
| 31 Dec 1994 | 1.12 | 
| 31 Dec 1993 | 1.21 | 
| 31 Dec 1992 | 1.17 | 
| 31 Dec 1991 | 0.95 | 
| 31 Dec 1990 | 0.72 | 
| 31 Dec 1989 | 0.88 | 
| 31 Dec 1988 | 1.19 | 
| 31 Dec 1987 | 1.14 | 
| 31 Dec 1986 | 1.83 | 
| 31 Dec 1985 | 2.06 | 
