Oil Prices Tumble As US, Iran Sign Provisional Peace Deal

Global oil prices fell sharply on June 18, 2026, following the signing of a provisional peace deal between the United States and Iran. The agreement signals a potential increase in global crude supply, impacting market sentiment. The deal is widely expected to lead to a gradual easing of international sanctions on Iran, which could allow the country to significantly boost its oil exports. This additional supply would enter a market already grappling with demand uncertainties. Analysts anticipate the influx of Iranian crude could further pressure prices, as traders factor in the prospect of increased production and reduced geopolitical risk in the Middle East.