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| Gulf Coast (PADD 3) Stock Change of Propylene (Thousand Barrels per Day) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2010 | -4 | -4 | 4 | 3 | 4 | 1 | -2 | 28 | -14 | -8 | -4 | 0 |
| 2011 | -4 | 11 | -7 | -9 | 17 | -5 | -1 | 6 | 4 | -15 | 5 | -3 |
| 2012 | -7 | -2 | -1 | 6 | -2 | 3 | 6 | 9 | 6 | -26 | 24 | -9 |
| 2013 | -7 | 2 | 2 | 10 | -9 | 1 | -5 | 3 | 6 | -9 | 4 | -6 |
| 2014 | -6 | 10 | -5 | 3 | -6 | -5 | 2 | 4 | 27 | 6 | -3 | -7 |
| 2015 | -18 | 9 | -2 | -7 | 6 | 9 | -4 | 8 | -9 | 3 | -1 | 1 |
| 2016 | -2 | -1 | 0 | 7 | 9 | 5 | 4 | 6 | -5 | 9 | -11 | -5 |
| 2017 | 4 | -42 | 13 | -7 | 6 | -3 | 10 | 7 | -4 | 7 | 1 | 1 |
| 2018 | -10 | -11 | -5 | 5 | 0 | 0 | 11 | 4 | 4 | -6 | -1 | 4 |
| 2019 | -10 | 6 | 5 | -2 | 3 | -3 | 1 | 5 | 17 | -19 | 0 | -6 |
| 2020 | -3 | -6 | 8 | -3 | -2 | 3 | -5 | 6 | -5 | -6 | -4 | 8 |
| 2021 | -6 | -4 | 0 | -2 | 1 | 0 | 2 | -2 | 5 | -1 | 4 | -3 |
| 2022 | -4 | 4 | -3 | -3 | 4 | 2 | 0 | -6 | 2 | -6 | 5 | 7 |
| 2023 | -10 | -4 | 13 | 1 | -8 | 3 | 5 | -7 | 1 | 4 | 4 | -17 |
| 2024 | 1 | 0 | 4 | 3 | 1 | 7 | 0 | -1 | 2 | 6 | -4 | 0 |
| 2025 | -4 | -9 | 8 | -9 | 3 | 7 | -2 | 4 | ||||
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 10/31/2025 |
| Next Release Date: 11/28/2025 |