Brent crude spot prices climbed above the $100 per barrel threshold on Thursday, marking the first time the benchmark has breached that psychological level since May.
The surge reflects a sharp return of geopolitical risk premiums as security concerns in the Middle East intensify.
The price move comes amid reports of escalating tensions in the Red Sea, where Iran-backed Houthi militants have reportedly targeted shipping infrastructure.
This development has reignited investor anxiety over potential supply disruptions in one of the world's most critical energy chokepoints.
The rapid repricing signals that markets are once again pricing in a significant probability of physical supply constraints.
This marks a stark reversal from the relative calm seen in late June, when US-Iran diplomatic talks led to a 60-day roadmap for peace and a subsequent evaporation of the war premium in oil markets. At that time, shipping routes through the Strait of Hormuz normalized, and risk appetite across global equities improved. The current volatility suggests that the diplomatic progress has stalled or been overshadowed by renewed military posturing.