BPN Mid-Month to Mid-Month: Mid-September Prices Up From August

During the latest mid-month period, prices at Mont Belvieu, Texas, decreased. The posted prices increased 3.083 cents/gal, from August mid-month to September mid-month, while the spot prices decreased 0.25 cents. Conway, Kansas, postings increased 4.71 cents/gal, and spots increased 2 cents over the month. 

Mont Belvieu Postings 

The Mont Belvieu mid-August posted price was 75.397 cents/gal. The next week the price increased 0.667 cents to 76.064 cents, followed by a 1.333-cent increase to 77.397 cents. Prices then increased 0.833 cents to 78.23 cents the first week of September. At mid-month, postings increased by 0.25 cents to 78.48 cents/gal. Compared to the same time in September 2024, the September 2025 prices were 4.25 cents higher. 

Conway Postings 

The Conway mid-August posted price was 69.703 cents/gal. The next week the price increased 2.294 cents to 70.997 cents, followed by a 0.813-cent increase to 71.81 cents/gal. Prices then increased 2.103 cents to 73.913 cents the first week of September. At mid-month, postings increased 0.5 cents to 74.413 cents/gal. Compared to the same time in September 2024, the September 2025 prices were 2.287 cents higher. 

Mont Belvieu Spots 

Mont Belvieu spots opened mid-August at 67.25 cents/gal. The next week the price increased by 0.75 cents to 68 cents, followed by a 0.375-cent decrease to 67.625 cents the next week. Prices then increased 0.75 cent to 68.375 cents/gal the first week of September. At mid-month, they decreased 1.375 cents to 67 cents/gal. Compared to the same time in September 2024, the September 2025 prices were 3.88 cents higher. 

Conway Spots 

Conway spots opened mid-August at 65 cents/gal. The next week the price increased by 1.5 cents to 66.5 cents, followed by a 0.75-cent decrease to 65.75 cents the next week. Prices then increased 2.75 cents to 68.5 cents/gal the first week of September. At mid-month, they decreased 1.5 cents to 67 cents/gal. Compared to the same time in September 2024, the September 2025 prices were 1 cent lower. 

SOURCE: The BPN Pricing & Supply Newsletter, Sept. 11, 2025. BPN Pricing & Supply Newsletter subscribers receive all the latest posted and spot prices from major terminals and refineries around the U.S. delivered to inboxes every week. Receive a center spread of posted prices with hundreds of postings updated each week, along with market analysis, insightful commentary, and much more not found elsewhere.