Oil prices moved lower on July 28, extending earlier declines and dropping to their weakest levels in more than a week. The move came as markets reacted to signs that tensions between the United States and Iran could ease, raising expectations of a possible diplomatic breakthrough.

For energy traders, any improvement in US-Iran relations can affect how they price geopolitical risk into crude. When fears of disruption fade, some of the premium linked to conflict in the Middle East tends to come out of the market, putting downward pressure on oil.

Investors were also watching the broader regional picture, including developments that could influence shipping through the Strait of Hormuz. The waterway remains one of the world’s most important routes for oil flows, so even modest changes in perceived risk there can quickly influence prices.

The latest slide in crude therefore reflected a combination of optimism over talks and a reassessment of supply concerns. While the market continues to monitor the situation closely, hopes for a resolution appeared to be the main factor behind the day’s losses.