WTI Rebuilds to $112 as Iran Rejects Ceasefire and the Deadline Hardens

The Ceasefire Collapses

Iran formally rejected the U.S. temporary ceasefire proposal on Sunday, countering with a 10-point plan demanding a permanent end to hostilities, sanctions relief, and a post-war reconstruction roadmap. Egyptian mediators told NPR that Tehran is open to a 45-day ceasefire — but only if it guarantees a permanent end to the war, not a pause.

Trump called the response "not good enough." That framing matters. Earlier Sunday, WTI spiked to $115 and gave it all back to $109.50 in four hours — the market was pricing in the assumption that a deal gets done before the deadline actually lands. Iran's formal rejection removes that assumption, and the rebuild to $112.80 reflects the repricing.

The Threat Gets Specific

Trump's language crossed into explicit infrastructure targeting: "Every bridge in Iran will be decimated by 12 o'clock tomorrow night, where every power plant in Iran will be out of business, burning, exploding and never to be used again." Defense Secretary Hegseth announced that Monday would see the largest strike volume since February's Operation Epic Fury launch, with Tuesday's operations to exceed it.

The 8pm ET Tuesday deadline has been described as one that "will not be moved again" — but this is the same administration that has pushed it four times since the original March 21 ultimatum. The pattern creates a credibility problem: each extension gave the market a reason to sell the spike. What's different now is that Iran isn't even pretending to negotiate on the Strait — they're demanding the war end entirely before discussing shipping.

A Binary 48 Hours

WTI settled at $112.41, up 0.8% on the session and 11% for the first week of April. The WTI-Brent premium widened to roughly $7, its widest since 2022 — a structural repricing reflecting that U.S. crude doesn't transit Hormuz while virtually all Gulf output does.

The next 48 hours are straightforward. If the deadline holds and strikes hit Iranian infrastructure at scale, the roughly 20 million barrels per day that normally transits Hormuz stays offline indefinitely and WTI retests $115 and beyond. If the deadline gets pushed a fifth time, the market sells the premium hard. Iran's selective allowance of Chinese, Russian, and Indian tanker traffic provides some supply cushion, but the gap between selective transit and 20 million barrels per day is enormous. API crude inventory builds offer a mild counterweight on the demand side, but nobody is trading inventories right now — this is a geopolitical binary.

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