Oil prices climbed after reports of an exchange of fire between US and Iranian forces in the Strait of Hormuz, one of the world's most critical energy chokepoints. Despite the incident, US President Donald Trump said the ceasefire between Washington and Tehran remains in place.

Why the Strait of Hormuz Matters

About 20% of global oil supply passes through the Strait of Hormuz every day. Any military incident there — even a limited one — is enough to push oil prices higher immediately, because traders price in the risk of supply disruption before the full picture is clear.

The reported exchange of fire spooked markets precisely because of where it happened. A sustained blockade or escalation in the strait could restrict tanker traffic and squeeze global oil supply chains in ways that take weeks or months to work around.

Ceasefire Still Holds, Trump Says

Trump's statement that the ceasefire is still intact appears to have capped the price rally rather than allowing a sharper spike. That framing matters: as long as both sides treat the incident as contained, markets are less likely to price in a full breakdown of the diplomatic arrangement between Washington and Tehran.

Still, an armed exchange in the strait — regardless of scale — signals that the ceasefire is under stress. Investors and energy traders will watch closely for any official Iranian response, further military movement in the region, or any change in tanker routing through the strait.

The episode also adds complexity to ongoing US-Iran nuclear and sanctions talks, where trust between the two sides is already thin. A repeat incident, or an escalatory response from either party, could unravel the diplomatic track quickly.

For oil markets, the immediate question is whether this stays a one-off or becomes a pattern. If tensions in the strait stabilize, the price move may fade. If incidents continue, markets will reprice oil risk upward more durably.