Trump-Iran Ceasefire Vaporizes Oil's War Premium in One Session

The Ceasefire Deal

Trump announced a "double-sided ceasefire" with Iran on Tuesday evening, accepting a framework proposed by Pakistani PM Shehbaz Sharif who has been serving as intermediary between the two nations. VP JD Vance represented U.S. interests in the negotiations.

The core condition: Iran must agree to the "COMPLETE, IMMEDIATE, and SAFE OPENING" of the Strait of Hormuz. Trump called Iran's 10-point peace proposal a "workable basis on which to negotiate," with formal peace talks scheduled to begin Friday in Islamabad.

Iran's foreign minister confirmed the pause, stating that if attacks against Iran are halted, their armed forces would "cease defensive operations." But the two sides don't agree on the terms — Iran claims the deal includes U.S. troop withdrawal and sanctions relief, neither of which the White House has confirmed. That gap matters.

The War Premium Unwind

The numbers tell the story. WTI crude was trading above $117 earlier in the day — it fell to below $94 within minutes of the announcement, a drop of more than 16% and the largest single-session decline since the 1991 Gulf War. Brent fell roughly 16% to about $93.

The scale makes sense when you look at what's been priced in. The Strait of Hormuz has been effectively closed since early March, with traffic dropping to near zero after 28 confirmed attacks on merchant vessels. The strait normally handles 15 million barrels per day of crude and product exports — the global market has been running at roughly a 6 million barrel per day deficit. Analysts had embedded a $15–$40 per barrel risk premium into crude pricing.

Equity futures immediately priced in the relief. S&P 500 futures rose over 2.5%, Dow futures spiked 1,000 points, and Nasdaq 100 futures jumped nearly 3%. Natural gas, wholesale gasoline, and heating oil all traded sharply lower alongside crude.

Why This Could Be a Head-Fake

The ceasefire is two weeks long and conditional. The Strait of Hormuz doesn't reopen with a press release — IRGC mines, GPS spoofing infrastructure, and 150+ ships anchored outside the strait all need to be dealt with before meaningful traffic resumes. Kpler's analysis estimates that even under an optimistic reopening scenario, it would take weeks to normalize flows given the physical and insurance constraints.

GasBuddy analyst Patrick De Haan cautioned that "another two weeks of status quo and barely anything getting through the Strait" would likely push energy prices higher again. Iran and the U.S. don't even agree on what they agreed to. If Islamabad talks collapse on Friday, the war premium snaps back — and the market just erased most of it in a single session.

For context: just five days ago, Trump was threatening to bomb every bridge and power plant in Iran. The pivot from annihilation threats to ceasefire happened faster than the market could position for it, which is exactly why the move was this violent.

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