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Crude prices fall after US.-Iran ceasefire, Hormuz reopening reports

Jun 15, 2026

Global oil markets reacted swiftly and dramatically to reports of a U.S.-Iran ceasefire and the potential reopening of the Strait of Hormuz, with both major crude benchmarks falling roughly 5% in a single trading session. West Texas Intermediate fell to just below $81 a barrel, its lowest level since the opening days of the Iran conflict, while Brent crude, the global benchmark, declined in tandem.

The scale of the drop reflects just how much of a premium the market had been placing on the risk of a prolonged Hormuz closure, which had choked off roughly 20% of the world’s seaborne oil supply since hostilities began in late February.

Despite the sharp move, significant uncertainty remains. A formal agreement was expected to kick off a 60-day negotiation period, but major questions remain. Would Israel agree to stop attacks on Beirut? Would Iran try to control the strait and charge ships to pass through? And how much influence would Iran’s Revolutionary Guard have over the process? None of those questions has a clear answer yet.

The situation remains fluid, and markets are watching closely for confirmation that the ceasefire will hold and that Hormuz will be genuinely and fully accessible to shipping traffic once again.

The Cardiff Connection

Cardiff’s CEO, Dean Lyulkin, offered a notably optimistic read on what the market’s reaction actually signals. Rather than treating the price drop as a routine “sell the news” moment, he interpreted the size and speed of the move as evidence that markets had never fully priced in a durable peace.

That distinction suggests there is still meaningful upside potential as conditions continue to improve, rather than all the gains already being behind us. Lyulkin’s advice to investors is to avoid holding excess cash on the sidelines and resist the temptation to play it overly safe through the summer months.

At the same time, he pointed to the fourth quarter as the period of greatest strength ahead, offering a measured and forward-looking framework at a moment when many are still processing the news.