Impact of Trump's Extended Iran Ceasefire on Oil Prices and Market Stability

By Patricia Miller

Apr 23, 2026

2 min read

The indefinite Iran ceasefire boosts US stocks and impacts oil prices, signaling reduced volatility in the energy market.

What does the indefinite Iran ceasefire mean for oil prices? The recent extension of the ceasefire declared by the Trump administration has driven US stocks to reach unprecedented heights. Investors are closely monitoring the Polymarket contract for WTI Crude Oil that hints at hitting $160 in April. Presently, this contract sits at a 0.9% chance of success, a slight drop from 1% yesterday and a decline from 2% just a week prior.

The indefinite ceasefire effectively diminishes the immediate threats to oil supply that transit through the strategically vital Strait of Hormuz. This situation is reflected in the market's odds. With daily face value trading at $49,622 and meager USDC volume at just $514, the liquidity in this market is notably thin. It requires $1,955 to adjust the market by five points, suggesting that any significant order could dramatically influence prices. The most substantial price movement observed in the last 24 hours was minimal, characteristic of a market now stabilizing post-announcement.

Why does this ceasefire matter? It indicates a likely reduction in oil volatility, as evidenced by the declining odds associated with a spike to $160. The geopolitical easing surrounding this scenario is currently playing out, further indicating increased tanker flows through Hormuz. A Yes-share currently costs 0.9 cents, offering an 11.1x return if confirmed positive. However, to justify such an investment, one should foresee a significant and unexpected escalation in tensions.

What should investors keep an eye on? Watch for any modifications in US-Iran relations or movements in OPEC+ production levels. Key indicators include the resumption of tanker flows through Hormuz, further diplomatic dialogues, or any potential violations of ceasefire agreements. Each of these factors could potentially lead to rapid shifts in contract pricing due to the prevailing thin liquidity in the market.

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.