Market Reactions to Tensions in the Strait of Hormuz: What Investors Need to Know

By Patricia Miller

Apr 18, 2026

2 min read

Iran threatens US forces, causing ceasefire extension odds to plummet, signaling rising tensions in the Strait of Hormuz and market uncertainty.

Iran's Speaker of Parliament recently issued a stark warning to the US, stating that Iran would retaliate against US minesweepers if they advance in the Strait of Hormuz. This raises significant concerns as any direct military confrontation in this key waterway, responsible for about 20% of global oil transit, could complicate current ceasefire negotiations.

Currently, the market indicators suggest a steep decline in confidence regarding the extension of a ceasefire. As of now, the probability of a ceasefire extension by April 21 has dropped dramatically from 86% to only 64.5% within a single day. Additionally, the odds for a permanent peace deal have similarly declined from 40% to 20%. This rapid shift in market sentiment signifies a growing belief among traders that tensions are escalating, evidenced by the public threats from Iran.

The market remains in a state of inconclusiveness concerning the ceasefire. While a formal announcement of the ceasefire’s end seems unlikely at this time, the low probabilities signal that traders are anticipating rising tensions in the near future. It paints a picture of uncertainty where traders face a dilemma: they expect a continuation of the ceasefire but neither concrete agreement nor a complete breakdown is forthcoming.

Investors should also note the trading volume within these markets. The ceasefire extension market has seen around $82,767 traded, while the peace deal market has a much larger volume at $587,370. Notably, the order book depth is relatively thin, indicating that even a single substantial trade could significantly influence market odds. A YES share in the permanent peace deal market is currently valued at 20 cents and could yield up to $1 if a resolution is reached by April 22. This scenario hinges on rapid diplomatic developments, especially as Iran poses threats to US naval forces.

In this complex landscape, it is crucial to monitor specific developments. Statements from significant figures such as Donald Trump and any updates from CENTCOM regarding military strategies or diplomatic initiatives will likely impact market perceptions. Moreover, the involvement of Pakistan in mediating potential discussions through Shehbaz Sharif could play a pivotal role in shaping future outcomes.

Investors should keep a close watch on these dynamics as they could translate into market opportunities or risks.

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.