Impact of the Strait of Hormuz Conflict on US-Iran Peace Deal Odds

By Patricia Miller

Apr 18, 2026

2 min read

The odds for a US-Iran peace deal have dropped sharply amid escalations in the Strait of Hormuz, signaling market uncertainty.

#What happened with the Strait of Hormuz and US-Iran Relations?

The recent escalation of conflict in the Strait of Hormuz has raised significant concerns for investors. Iran's decision to close this strategic waterway and fire upon vessels has caused a substantial shift in the market regarding the likelihood of a US-Iran permanent peace deal. Within just 24 hours, the odds for this agreement by April 22 dropped dramatically from 40% to a mere 19.5%. This downturn indicates a growing pessimism among traders about the immediate prospects for diplomatic resolution.

In addition, the market for a deal by April 30 has also seen a decrease, now sitting at 39.5%. Longer-dated markets, such as those for May 31 and June 30, remain more optimistic at 58.5% and 67.5%, suggesting that traders are deferring their hopes for a resolution further into the future.

#How Are the Markets Responding to the Ceasefire?

The ceasefire market has not been immune to this shift either. Expectations for an end to the ceasefire by April 21 have surged, rising to 20.5% from just 6% previously. This increase reflects heightened fears that the blockade could lead to a collapse of the ceasefire altogether.

#Why Are Trading Volumes Significant?

Trading volumes present a critical narrative in these developments. The USDC volume for the peace deal market reached $610,678, with a significant 5-point drop noted at 5:56 PM. It requires $9,366 to move the price by 5 points, indicating a reasonably thick order book. Conversely, the ceasefire market is notably thinner, needing only $880 to adjust the odds by the same 5 points, thus making it susceptible to significant trades that could sway the market drastically.

#What Should Investors Keep an Eye On?

Given the current blockade, a sustainable peace agreement by April 22 seems unlikely. A YES share priced at 20¢ could return $1, but the current odds reflect the skepticism surrounding this outcome. Any credible diplomatic gestures or military de-escalation prior to the expiration of the ceasefire could act as catalysts to reverse the market's current trajectory.

Investors should remain vigilant for any announcements from key officials, particularly from President Trump and other White House representatives. The attendance of significant figures, such as the CIA director and the chairman of the Joint Chiefs, indicates that crucial decisions could be imminent. Should the ceasefire persist without further aggressive actions, the market may stabilize.

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Important Notice And Disclaimer

This article does not provide any financial advice and is not a recommendation to deal in any securities or product. Investments may fall in value and an investor may lose some or all of their investment. Past performance is not an indicator of future performance.