News Digest / World News / U.S. and Iran Ink Historic Deal to End Hostilities and Reopen Strait of Hormuz

U.S. and Iran Ink Historic Deal to End Hostilities and Reopen Strait of Hormuz

Lukas Schmidt
09:10am, Thursday, Jun 18, 2026

Just when it looked like the showdown between Washington and Tehran would drag on, a surprising development took center stage. In a move that caught many off guard, U.S. President Donald Trump and Iranian President Masoud Pezeshkian signed a memorandum of understanding aimed at ending hostilities between the two nations. The signing occurred during a dinner at France's Versailles palace, ahead of the originally planned ceremony in Switzerland.

This agreement isn't just an armistice; it's a commitment to reopen the Strait of Hormuz, a maritime chokepoint critical for roughly 20% of the world's oil and liquefied natural gas shipments. The strait had been effectively closed due to the conflict, sending oil prices spiking and fueling fears of global inflation.

But it's not just peace on the horizon. The deal sets a 60-day window to kickstart negotiations concerning Iran's nuclear program, with talks scheduled in Switzerland. Trump has long prioritized dismantling Iran's nuclear ambitions, while Iran maintains its program is peaceful despite enrichment activities raising eyebrows.

Details on the memorandum remain sparse, as the White House has been tight-lipped on the full text. What's known is that the agreement demands a permanent ceasefire and immediate reopening of the strait without tolls for an initial two-month period. However, vessels will still coordinate transit with Iran's Revolutionary Guards, indicating Iran retains some control and oversight.

Another layer to this complex agreement is the creation of a $300 billion reconstruction fund for Iran. However, the U.S. explicitly stated it will not contribute financially, leaving questions about the fund's backing and framework. Additionally, an explicit commitment to maintain Lebanon's territorial integrity was included, addressing regional tensions involving the Israel-aligned and Iran-supported Hezbollah militia.

The international response has been mixed. The International Energy Agency's Fatih Birol highlighted ongoing concerns that Iran might once again close the strait, prompting multiple countries to reevaluate their energy strategies to hedge against potential disruptions.

The deal has already rattled markets, with the S&P 500 and oil futures seeing notable moves as uncertainty gives way to cautious optimism. Investors will be parsing how durable this agreement is, especially since Trump warned that any new hostilities could reignite conflict.

In the end, this agreement is a big twist in a conflict that has shaped geopolitical risk for months. Whether it holds or unravels could set the tone for global energy flows and regional dynamics. Only time will tell if this is peace in action or just a pause before the next act.

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