$100 Becomes $2,564 If a US-Iran Nuclear Deal Hits by August 31 -- and Trump Just Called Off a Strike to Get It Done

Donald Trump announced Saturday night he canceled a planned U.S. military strike on Iran because the "perimeters of a deal has been agreed to." The deal would open the Strait of Hormuz and end Iran's nuclear threat. Polymarket is pricing a nuclear deal by August 31 at 3.9 cents. That's a 25-to-1 payout on something the president of the United States just said is in motion.

The news broke last night, and it's seismic.

Trump said on Truth Social that Iran and "other Middle Eastern Countries" asked for time to finalize an agreement. His response: he called off the attack. The deal framework includes "the Immediate, Complete, and Total OPENING OF THE HORMUZ STRAIT, and an end to Iran's nuclear threat." Israel "joins me in this commitment," Trump wrote. Iran's response? Calling Trump's demands a "wish list" -- but they're the ones who asked for the delay.

CNBC reported that embassies across the Middle East had warned citizens to prepare for flight cancellations as the U.S. prepared strikes as early as this weekend. Then -- at the last minute -- Trump pulled the trigger back. The Business Times confirmed Trump's condition: he'll hold off "subject to being able to rapidly make a DEAL." Barron's called it "Trump Calls Off Iran Strike, Saying Hormuz Deal in Sight."

This is not a vague diplomatic signal. This is the U.S. president saying the outline of a deal exists, calling off a military operation, and putting a clock on it.

Here's the market the crowd is asleep on.

The "US-Iran Final Nuclear Deal by...?" event on Polymarket asks when a final nuclear agreement will be reached. The "Yes" on a deal by August 31 is trading at 3.9 cents. That means the crowd thinks there's a ~96% chance this doesn't happen in the next 28 days.

Meanwhile, the president of the United States just said the perimeters are agreed to, called off a strike, and is racing to close it.

Do the math.

At 3.9 cents, $100 buys about 2,564 shares. If a deal is reached by August 31, those shares are worth $2,564. That's a $2,464 profit -- 25.6 times your money.

The other date buckets tell the same story. By August 18 at 2.5 cents (40-to-1). By August 13 at 1.2 cents (83-to-1). Each one is priced like a long shot, and each one just got a lot more real.

Here's why this edge exists.

The crowd has been burned before on Iran deal markets. Years of "talks about talks" have trained traders to dismiss every headline. But this is different. Trump didn't announce another round of negotiations in Vienna. He announced he called off a military strike because a deal framework exists. That's a step change in probability, not an incremental move.

The AP-NORC poll shows Trump's approval on the economy at 32% -- down from 40% at the start of his term. A deal that opens the Strait of Hormuz, drops oil prices, and delivers a foreign policy win is exactly what a president trailing on the economy needs before the midterms. The incentive structure is aligned.

The Strait of Hormuz is the world's most important oil chokepoint. Roughly 20 million barrels of oil pass through it daily. Iran's blockade has been throttling global supply and keeping energy prices elevated. A deal that opens it doesn't just affect geopolitics -- it hits gas pumps, inflation readings, and voter wallets.

The risk, in one breath.

The "Yes" shares go to zero if no deal is reached by August 31. Iran's Fars International called Trump's demands a "wish list." The GOP infighting between Trump and Senate Leader Thune complicates the political calendar. And Iran's leadership is fractured after Khamenei's assassination, with Mojtaba Khamenei still consolidating power. Deals can fall apart. That's why the price is 3.9 cents. But that's also why the upside is 25-to-1.

Nobody's watching this market the way they should.

The event has $1.09 million in liquidity and $465k in 24-hour volume. It's active, tradable, and real. But the price hasn't caught up to the news that broke last night. That lag is your window. These windows close fast.

The kicker: Trump said he agreed to cancel the attack "for the future benefit of the WORLD and, likewise, the survival of a successful and prosperous Iran." A president who calls off a bombing run to make a deal is a president who wants that deal done. The clock is ticking. August 31 is 28 days away.

Summary

The trade: Buy "Yes" on US-Iran Final Nuclear Deal by August 31 at 3.9 cents. $100 risks stands to return ~$2,564 if a deal is reached. The Trump administration just announced the perimeters of a deal, called off a planned military strike, and is racing to close. The crowd is still pricing this as a long shot. The gap between the news and the odds is the opportunity.

Disclaimer: Prediction markets are speculative. You can lose your entire stake. This is not financial advice. Odds as of Aug 3, 2026 and will move.

Sources

• CNBC: Trump says he canceled a planned attack on Iran after reaching agreement over 'perimeters of a deal'
• Business Times: Trump says US will hold off on Iran attack in hopes of quick deal
• Barron's: Trump Calls Off Iran Strike, Saying Hormuz Deal in Sight
• AP News: Republicans rate Trump higher on immigration than on the economy or Iran
• CNN: Trump and Thune showdown splinters GOP unity ahead of midterms
• Polymarket: US-Iran Final Nuclear Deal by...?