Iranian lawmakers are currently debating the specific wording of a proposed security agreement with Oman regarding the Strait of Hormuz.
The legislative review comes as US President Donald Trump publicly insisted that the diplomatic talks are "moving along" and that a final accord is nearing completion.
The delay in parliamentary approval introduces a new variable into the geopolitical calculus for energy traders.
While the White House projects imminent progress, the need for detailed legislative scrutiny in Tehran suggests that finalizing the deal may take longer than anticipated.
This uncertainty prevents markets from fully discounting the risk of disruption in one of the world's most critical energy chokepoints.
The Strait of Hormuz remains a focal point for global oil supply security, with approximately one-fifth of the world's oil consumption passing through the narrow waterway daily.