As of October 19, 2026, WTI (USO) nominal exposure was estimated at approximately 19.332 million barrels, with futures open interest decreasing by 816,000 barrels compared to October 16, 2026; Brent (BNO) futures open interest was approximately 7.914 million barrels, an increase of 869,000 barrels compared to October 16, 2026, marking the largest single-day increase since September 14. Click to view complete open interest data and capture changes in funds beyond oil prices.