Market Reaction to Trump's Denial of Iranian Oil Deal Suggests Increased Volatility

By Patricia Miller

Apr 28, 2026

2 min read

Trump's rejection of Iran's oil deal drops agreement probability to 2.2%, signaling heightened volatility in prediction markets.

Trump's recent rejection of Iran's oil deal has resulted in significant shifts in prediction markets, with the probability of an agreement in April drastically decreasing. Currently, the chance of Trump accepting Iran's offer for oil sanctions relief is down to just 2.2%, a sharp fall from 14% just a day earlier. This shift indicates a heightened unease in the trading community regarding the potential for any resolution in ongoing tensions.

The specifics of the rejected proposal included Iran's willingness to reopen the Strait of Hormuz in exchange for ending U.S. sanctions. The market previously predicted the probability of an agreement at 62%, showing how dramatically sentiment has changed in a week. It is noteworthy that such prediction markets are quite thin, where a relatively small amount of money—$119—can shift the odds by 5 points, underscoring volatility in these assessments.

In addition, expectations for Iran's commitment to halt uranium enrichment have also diminished, now resting at a mere 0.8%, down from 6% the day before. These figures reflect strong skepticism about reaching any nuclear agreements under the prevailing conditions. With daily trading volumes at $1,944 in USDC for the oil sanctions market and a larger volume of $4,778 for uranium enrichment, the thin nature of these markets suggests reactions can be swift.

The latest developments confirm a significant deviation from initial market optimism following Iran's proposal. With a YES share priced at just 2 cents—implying a 50-fold return if Trump were to approve the agreement—investors should be cautious. Achieving a drastic turnaround in attitudes from both parties within a week seems unlikely.

As this situation unfolds, keep an eye on statements from Trump's advisors and the Iranian Foreign Ministry. Any changes in tone or unexpected diplomatic efforts could quickly influence market recalibrations.

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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.