Global oil markets experienced a dramatic sell-off on March 23, 2026, with Brent crude futures plummeting from $114 to nearly $100 per barrel following a sudden shift in US policy toward Iran.

The sharp decline of more than 9% was triggered by a statement from US President Donald Trump, who announced a temporary halt to planned military strikes against Iranian power plants and energy infrastructure. The sudden easing of geopolitical tensions prompted an immediate recalibration across financial markets, sending stocks and bonds higher while oil sank.

In a post on Truth Social, Trump revealed that Washington and Tehran had engaged in "very good and productive conversations" over the past two days regarding a complete resolution of hostilities in the Middle East. Citing the constructive tone of these detailed discussions, the president stated he had instructed the "Department of War" to postpone all impending strikes for a five-day period.

The diplomatic breakthrough offered immediate relief to energy markets that had priced in significant supply disruptions. As oil retreated toward the $101 mark, broader financial markets rebounded strongly. Futures for the S&P 500 jumped 2.3%, the yield on two-year Treasuries fell seven basis points to 3.83%, and the dollar slipped 0.1%.

Trump emphasized that the temporary five-day pause remains strictly conditional on the continued success of the diplomatic meetings scheduled throughout the week. Nevertheless, the sudden prospect of peace has fundamentally shifted the market narrative, prompting a massive reassessment of safe-haven assets and energy supply risks.