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US oil prices turn negative on reports of US-Iran agreement
Brent crude dropped 6% and WTI fell below $100 as traders priced in the possibility of a diplomatic resolution that could reopen one of the world's most critical oil chokepoints.
Oil markets just had one of those days. Reports that the US and Iran are finalizing a diplomatic agreement sent crude prices into a nosedive, with West Texas Intermediate falling to $98.26 per barrel and Brent crude settling at $105.02, a decline of roughly 6%.
What’s driving the plunge
The core issue is the Strait of Hormuz. About 20% of the world’s oil supply transits through this narrow waterway between Iran and Oman. When tensions flare between Washington and Tehran, traders immediately start pricing in the possibility that those shipments get disrupted. When tensions ease, that premium unwinds. Fast.
President Donald Trump indicated that negotiations between the two countries are nearing completion. The market’s response was immediate and decisive.
This isn’t even the sharpest drop this month. On May 6, Brent crude fell as much as 12% in a single session on earlier speculation about the peace talks, while WTI dropped between 7% and 11%.
To understand how much risk was already priced in, look at where oil was trading just two months ago. In March, Brent crude hit an intraday peak of $119.50 per barrel during direct confrontations between the US, Israel, and Iranian interests. That’s a swing of more than $14 per barrel from peak to current levels.
The Strait of Hormuz has seen repeated closures since late February, each one sending shockwaves through energy markets.
The broader context
Starting in late February, US and Israeli military operations targeting Iranian interests triggered a dramatic run-up in crude prices. Markets went from cautiously monitoring the situation to full-blown crisis pricing in a matter of weeks.
What this means for investors
The macro implications extend well beyond energy. Lower oil prices, if sustained, act as a de facto tax cut for consumers and reduce input costs for manufacturers. Cheaper energy tends to pull headline inflation numbers lower, giving policymakers more room to maneuver.
The key variable to watch isn’t today’s price action. It’s whether an actual agreement gets signed, and more importantly, whether it holds. Markets have priced in optimism multiple times this month already, only to see prices partially recover when details remained elusive.