On October 26, 2026, WTI (USO) nominal exposure was approximately 19.015 million barrels, an increase of 493,000 barrels in a single day, marking the second consecutive day of increase; Brent (BNO) futures open interest was approximately 8.277 million barrels, an increase of 1,000 barrels in a single day, marking the ninth consecutive trading day of increase. Click to view complete open interest data and capture changes in funds beyond oil prices.