Brent crude oil prices declined below $80 a barrel for the first time in over three months, with a notable drop of 4%, marking its longest continuous decline this year. This downturn is attributed to an impending interim agreement between the US and Iran, expected to be signed in Switzerland on Friday, which involves reopening the Strait of Hormuz.

This deal is anticipated to significantly boost global oil supply, prompting leading Wall Street banks to reduce their oil price forecasts. The reopening of the Strait of Hormuz is particularly impactful given that it typically handles about 20 million barrels of oil and refined products daily, a figure that has been markedly lower in recent months due to previous conflict.

The broader market context includes previous disruptions where the closure of the Strait of Hormuz led to discussions of a global recession. Despite this, oil benchmarks remained below 2022 highs. Analysts had previously warned that if the Strait remained closed through June, Brent crude prices could rise to $120 a barrel, and potentially $150 if temporary supply buffers were exhausted. However, the current news suggests a reversal of this trend due to the expected resolution of the impasse.

The decline reflects market optimism regarding the conflict's de-escalation and the return of stability to the Middle East, alongside concerns about a potential supply glut. The emergency oil release from government stockpiles, which served as a temporary buffer during the conflict, was estimated to be around 400 million barrels, with 301 million barrels being crude oil. These buffers are now less critical given the anticipated increase in supply.