Impact of U.S. Foreign Policy on Oil Markets and Iran

By Patricia Miller

Apr 27, 2026

2 min read

Iran's actions in the Strait of Hormuz have reduced market confidence in oil sanctions relief, impacting trader predictions drastically.

How is Iran Affecting Oil Markets in the Strait of Hormuz?

Iran's use of the Strait of Hormuz has turned into a pressing issue for global oil markets. Secretary of State Marco Rubio's recent comments suggest a significant shift in the United States' approach, describing Iran's actions as an economic nuclear weapon that escalates tensions in the region. This hardline stance is reflected in the market movements surrounding potential sanctions relief on Iranian oil, which now sits at just a 3% chance, down from 14% the previous day.

Market predictions indicate that there is a 58.5% chance that President Trump might lift the blockade in the Strait of Hormuz by May 31, showing a decrease from 72% the day before. Moreover, there is a slight increase in the odds for crude oil reaching an all-time high by April 30, which is currently at 0.8%.

The recent collapse in shipping traffic through the Strait raises skepticism among traders regarding the likelihood of Trump yielding to Iranian demands. Current trading in the sanctions relief market is limited – characterized by only $1,944 in daily USDC volume. Consequently, minor trading fluctuations can dramatically influence the price, evidenced by a 5-point change triggered by just $119. In contrast, the Hormuz blockade market is more robust, needing $8,975 for a similar 5-point shift, indicating higher trader confidence.

Rubio’s remarks clarify that sanctions relief is not on the horizon unless there’s a significant shift in U.S. foreign policy. Traders contemplating investment at the low rate of 3 cents could potentially see returns of up to 33.3 times their investment; however, the prevailing market suggests that such a scenario is highly unlikely without a change in direction from the U.S.

Investors should remain vigilant for potential new U.S. sanctions or additional actions from Iran that could further impact the global oil landscape. Additionally, keep an eye on Trump's posts on Truth Social; these have previously influenced market reactions significantly.

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.