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| Gulf Coast (PADD 3) Stock Change of Refinery Olefins (Thousand Barrels per Day) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2010 | -2 | 3 | 17 | -17 | 3 | 1 | -2 | 29 | 0 | -13 | -2 | -12 |
| 2011 | 5 | 9 | -1 | 5 | 10 | -4 | 2 | 7 | -1 | -17 | 6 | -2 |
| 2012 | -15 | -4 | -2 | 9 | -7 | 12 | 10 | 9 | 11 | -32 | 18 | -7 |
| 2013 | -6 | -3 | 17 | -9 | -13 | 26 | -25 | 44 | 51 | -66 | 21 | -32 |
| 2014 | -1 | -1 | 1 | -3 | -2 | 21 | -15 | 32 | 29 | 13 | -71 | -9 |
| 2015 | 4 | 15 | -4 | -9 | -1 | 34 | -4 | -9 | 52 | -43 | -37 | 1 |
| 2016 | 12 | -8 | -14 | 46 | -22 | 24 | 15 | -8 | 21 | 20 | -7 | -10 |
| 2017 | 6 | -53 | 3 | -35 | 33 | -7 | 17 | -30 | -1 | -1 | 7 | 12 |
| 2018 | -23 | -1 | 17 | -2 | -6 | 18 | 4 | 33 | -5 | -10 | -8 | -21 |
| 2019 | 0 | 9 | 6 | -23 | 9 | -9 | 34 | -2 | -2 | 28 | -59 | 10 |
| 2020 | -29 | 19 | 34 | -9 | 14 | -14 | 31 | 25 | -63 | 19 | -66 | 5 |
| 2021 | -6 | -2 | 1 | -2 | -1 | 3 | 0 | 5 | -1 | 5 | 1 | -9 |
| 2022 | -7 | 5 | -5 | 0 | 2 | 1 | 7 | -8 | 11 | 0 | -3 | 1 |
| 2023 | -4 | 0 | 4 | -6 | -3 | 3 | 3 | -8 | -2 | 17 | -4 | -18 |
| 2024 | -2 | 2 | 2 | 2 | 2 | 7 | 3 | -1 | 8 | 10 | -14 | 1 |
| 2025 | -5 | -12 | 12 | -8 | 0 | 7 | -3 | 8 | ||||
| - = 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 |