Impact of Iran's Closure of the Strait of Hormuz on Shipping and Oil Markets

By Patricia Miller

Apr 19, 2026

2 min read

Iran's closure of the Strait of Hormuz has drastically reduced shipping likelihood, impacting oil markets and causing trader skepticism.

#What is happening in the Strait of Hormuz?

Iran has recently re-closed the Strait of Hormuz, effectively making it unsuitable for commercial shipping. As a result, the likelihood of 80 ships passing through by the end of April has dropped significantly to just 22%, down from a previous 51%.

#How are markets responding to the situation?

The market experienced a decline, with a 29-point drop following Iran's enforcement of a so-called "soft closure" of the shipping route. This has led many traders to express skepticism about a quick return to normal shipping activity. The current order book indicates a lack of movement, with only $797 needed to shift the price by 5 points. Additionally, a notable 10-point drop at 5:48 PM further reflects genuine pessimism rather than simply being a byproduct of low liquidity.

The market window from April 13 to 19, which is set to resolve soon, remains stagnant, showing a mere 0.4% likelihood of any ships transiting. Only a small amount of $14 in actual USDC has changed hands, indicating little belief that fewer than 10 ships will be able to transit during this period.

#Why does this closure significantly impact the market?

The implications of this closure extend beyond shipping to oil-linked markets. For instance, the West Texas Intermediate (WTI) Crude Oil market, priced at $160 for April, currently reflects a 1.4% chance of success after a significant 25-point increase earlier as traders began to factor in potential supply disruptions.

#What factors should investors consider moving forward?

The geopolitical complexities introduced by Iran's actions add to the uncertainty. However, a source indicates that this might be just noise rather than a clear shift in strategy. With YES shares priced at 22¢, there is a potential payout of $1 if transit occurs by April 30, suggesting a hefty return if the situation resolves quickly. To support this investment, a fast turnaround within 12 days is necessary.

Investors should remain vigilant for updates, particularly from the Islamic Revolutionary Guard Corps (IRGC) or any US diplomatic initiatives. Insights or statements from officials such as Admiral Cooper, or any changes regarding the naval blockade could quickly alter market expectations.

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.