# Brent oil price posts biggest monthly loss in six years as market counts on a U.S.-Iran deal - CNBC

**Published:** 2026-05-29T15:21:25.000Z  
**Topic:** Oil  
**Sentiment:** bearish  
**Publisher:** TrendWatcher — https://www.trendwatcher.in/article/f62065ed-da34-4a52-b498-8c7306535f48





## Sources
1. CNBC — [Oil falls with US-Iran peace talks in focus](https://www.cnbc.com/2026/05/21/oil-iran-peace-deal-uncertainty-inventory-drawdowns-wti-brent-crude.html)
2. CNBC — [Oil prices fall more than 7% as U.S. and Iran appear close to deal to end war](https://www.cnbc.com/2026/05/06/oil-prices-trump-pauses-strait-of-hormuz-escort-effort.html)

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Cite as: TrendWatcher, "Brent oil price posts biggest monthly loss in six years as market counts on a U.S.-Iran deal - CNBC", https://www.trendwatcher.in/article/f62065ed-da34-4a52-b498-8c7306535f48