NextFin News - Iran’s newly appointed Supreme Leader, Mojtaba Khamenei, issued his first public directive on Thursday, demanding the indefinite closure of the Strait of Hormuz and the immediate withdrawal of all U.S. military forces from the Middle East. The televised statement, read by a state broadcaster on March 12, marks the 56-year-old’s formal entry into the geopolitical fray following the assassination of his father, Ayatollah Ali Khamenei, in U.S.-Israeli airstrikes late last month. By framing the world’s most vital oil artery as a "tool to pressure the enemy," the younger Khamenei has signaled a shift toward a more confrontational and unpredictable phase of the conflict that began in February 2026.
The ultimatum carries immediate consequences for global energy markets already reeling from weeks of maritime instability. Oil prices extended their gains shortly after the announcement, with Brent crude futures surging as traders priced in the reality of a prolonged blockade. The Strait of Hormuz typically handles roughly 20% of the world’s daily oil consumption; its effective shuttering has already pushed prices toward the $150 mark, with Iranian officials warning that a continued standoff could see barrels trading at $200. While Saudi Arabia and the United Arab Emirates have attempted to utilize bypass pipelines to reach the Red Sea and Gulf of Oman, these land-based routes lack the capacity to fully offset the loss of the primary maritime channel.
U.S. President Trump, who was inaugurated just over a year ago, expressed "disappointment" in the selection of Mojtaba Khamenei by Iran’s senior clerics, suggesting the new leader is unlikely to seek a peaceful resolution. The White House now faces a binary choice: escalate naval operations to forcibly reopen the strait or risk a global inflationary shock that could undermine the domestic economy. The Pentagon has already increased its carrier presence in the region, but Khamenei’s explicit threat that U.S. bases "will be attacked" suggests that Tehran is prepared to expand the theater of war beyond maritime skirmishes to direct strikes on American installations in Qatar, Bahrain, and Kuwait.
The internal dynamics of the Iranian regime appear to be hardening under the new leadership. Mojtaba Khamenei, long considered a shadowy but powerful figure within the security apparatus, is widely viewed as more ideologically rigid than his predecessor. His first message focused heavily on "avenging the blood of martyrs," a reference not only to his father but also to the reported deaths of 168 schoolgirls in a recent missile strike in Minab. This rhetoric serves a dual purpose: it consolidates his standing among the hardline Revolutionary Guards (IRGC) while attempting to bridge the growing friction between the IRGC and the regular army, which has reportedly suffered from supply shortages and desertions as the war intensifies.
For regional neighbors, the message was a mixture of diplomatic overture and veiled threat. Khamenei claimed a desire for "warm and constructive relations" with Gulf states, yet simultaneously justified recent Iranian drone and missile attacks on those same neighbors by accusing them of hosting "enemy" military bases. This "with us or against us" posture places states like Oman and the UAE in an impossible position, caught between their security dependencies on Washington and the physical proximity of an increasingly desperate Iranian military. The strategy appears designed to fracture the U.S.-led coalition by making the cost of hosting American forces prohibitively high.
The effectiveness of this blockade as a long-term strategy remains tethered to Iran’s own economic endurance. While the closure of the strait chokes global supply, it also halts Iran’s own ability to export what little oil it can still produce under the current bombardment. The regime is betting that the world’s pain threshold is lower than its own. By tying the reopening of the waterway to a total U.S. withdrawal, Khamenei has set a bar for negotiations that the Trump administration is almost certain to reject, ensuring that the Persian Gulf remains a volatile vacuum for the foreseeable future.
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