P/E ratio history for Arrowhead Pharmaceuticals, Inc.
| Date | Price-to-Earnings ratio | 
|---|---|
| 30 Sep 2024 | -3.87 | 
| 30 Sep 2023 | -14.05 | 
| 30 Sep 2022 | -19.74 | 
| 30 Sep 2021 | -45.98 | 
| 30 Sep 2020 | -51.29 | 
| 30 Sep 2019 | 38.91 | 
| 30 Sep 2018 | -29.51 | 
| 30 Sep 2017 | -9.21 | 
| 30 Sep 2016 | -5.49 | 
| 30 Sep 2015 | -3.59 | 
| 30 Sep 2014 | -11.82 | 
| 30 Sep 2013 | -4.38 | 
| 30 Sep 2012 | -1.35 | 
| 30 Sep 2011 | -8.94 | 
| 30 Sep 2010 | -11.70 | 
| 30 Sep 2009 | -1.56 | 
| 30 Sep 2008 | -1.50 | 
| 30 Sep 2007 | -5.99 | 
| 30 Sep 2006 | -8.39 | 
| 30 Sep 2005 | -11.46 | 
| 30 Sep 2004 | -29.31 | 
| 30 Sep 2003 | -22.97 | 
| 30 Sep 2002 | -0.10 | 
| 30 Sep 2001 | -0.63 | 
| 30 Sep 2000 | -4.17 | 
| 30 Sep 1999 | 0.60 | 
| 30 Sep 1998 | -4.48 | 
| 30 Sep 1997 | -0.37 | 
