P/E ratio history for Heritage-Crystal Clean, Inc
| Date | Price-to-Earnings ratio |
|---|---|
| 31 Dec 2022 | 9.02 |
| 1 Jan 2022 | 12.30 |
| 2 Jan 2021 | 41.10 |
| 28 Dec 2019 | 87.40 |
| 29 Dec 2018 | 34.96 |
| 30 Dec 2017 | 17.53 |
| 31 Dec 2016 | 59.82 |
| 2 Jan 2016 | 187.80 |
| 3 Jan 2015 | -32.63 |
| 28 Dec 2013 | 79.55 |
| 29 Dec 2012 | 111.86 |
| 31 Dec 2011 | 160.80 |
| 1 Jan 2011 | 38.89 |
| 2 Jan 2010 | 62.42 |
| 3 Jan 2009 | -143.35 |
| 31 Dec 2007 | 11.84 |
| 31 Dec 2006 | 19.52 |
| 31 Dec 2005 | 41.03 |
| 31 Dec 2004 | 113.17 |
| 31 Dec 2003 | -37.72 |
