U.S. propane/propylene inventories continued their seasonal climb, increasing by 2.6 MMbbl during the week ended June 19, slightly above industry expectations for a 2.4 MMbbl build and the 5-year average build of 2.5 MMbbl for the week. As shown in the chart below, total stocks now stand at 90 MMbbl (red line), up 17.4 MMbbl, or 24%, from the same week in 2025 (blue line), 22.9 MMbbl, or 34%, above the 5-year average (green line), and 10.5 MMbbl, or 13%, above the previous 5-year maximum (top of gray range).
Weekly U.S. propane exports edged higher to 2.03 MMb/d (red line in chart below), up 31 Mb/d from the prior week and above the year-to-date average of 1.98 MMb/d. The chart below shows exports remaining above both the four-week average of 1.94 MMb/d (green dashed line) and the 1.82 MMb/d reported during the same week in 2025 (blue line).
