Oil markets continued their decline on Tuesday, June 16, 2026, driven by optimism surrounding a potential increase in hydrocarbon exports following a deal reached between Washington and Tehran. Brent crude oil fell below $80 per barrel, a level not seen since March. The agreement between the US and Iran is expected to gradually normalize Iranian oil exports, increasing global supply. This anticipated supply increase is the primary factor contributing to the downward pressure on oil prices. Market analysts suggest further price drops are possible as the deal’s implementation progresses. The news marks a significant shift in the energy market after months of price volatility.