Westport Fuel Systems Inc
| Year | Mar | Jun | Sep | Dec | Annual | |
|---|---|---|---|---|---|---|
| 2023 | -0.60 | -0.77 | -0.68 | - | - | |
| 2022 | 0.04 | -0.07 | -0.07 | -0.90 | -0.19 | |
| 2021 | -0.02 | 0.11 | -0.03 | 0.02 | 0.08 | |
| 2020 | -0.11 | 0.02 | 0.01 | 0.03 | -0.05 | |
| 2019 | -0.02 | -0.02 | 0.04 | - | - | |
| 2018 | -0.11 | -0.04 | -0.02 | -0.07 | -0.24 | |
| 2017 | 0.12 | 0.12 | 0.12 | 0.12 | 0.48 | |
| 2016 | 0.36 | 0.40 | 0.14 | 0.24 | 1.14 | |
| 2015 | 0.27 | 0.27 | 0.58 | 0.35 | 1.47 | |
| 2014 | -0.38 | -0.56 | -0.40 | -1.03 | -2.34 | |
| 2013 | -0.57 | -0.61 | -0.53 | -1.42 | -3.22 | |
| 2012 | -0.44 | -0.11 | -0.59 | -0.68 | -1.83 | |
| 2011 | -0.31 | -0.38 | -0.27 | -0.30 | 0 | |
| 2010 | -0.32 | -0.21 | -0.16 | -0.31 | -1 | |
| 2009 | -0.38 | -0.25 | -0.26 | -0.21 | -1.02 | |
| 2008 | - | -0.13 | 0.02 | -0.23 | -0.72 | |
| 2007 | - | - | -0.05 | 0.08 | -0.11 | |
| 2006 | - | - | - | - | -0.13 | |
| 2005 | - | - | - | - | -0.19 |