Crude oil prices tumbled and European equities rallied on Monday after U.S. President Donald Trump called off planned strikes on Iran to prioritise negotiations for a Middle East peace deal, easing fears of a wider regional conflict.
Brent crude fell roughly 5% to $83.50 a barrel by mid-morning, having dropped as low as $81.55, while U.S. West Texas Intermediate shed more than $5 to trade near $79.47. The sharp retreat reversed a large portion of the risk premium that had built into energy markets in recent weeks.
The de-escalation prompted a broad shift toward risk assets. Major European stock indices climbed on the news, while safe-haven demand for government debt cooled. The yield on the benchmark 10-year U.S. Treasury note slipped more than one basis point to 4.688%, reflecting reduced anxiety over supply disruptions and inflation.
Currency markets also responded to the changing backdrop. The yen firmed following intervention, adding another layer of movement to a session shaped largely by geopolitical relief rather than economic data.
Iran remains one of the world’s significant crude producers, and its position near the Strait of Hormuz — a chokepoint for a substantial share of seaborne oil — means any escalation carries outsized implications for global supply. The prospect of renewed diplomacy removed an immediate threat to those flows, allowing prices to correct lower.
The latest moves extend a broader pattern in which markets have swung on the pace of shifting signals around U.S.-Iran diplomacy, with traders rapidly repricing the likelihood of confrontation versus negotiation.
Lower crude prices tend to ease inflationary pressure by reducing fuel and transport costs, a dynamic that filters through to bond markets and central bank expectations. Falling Treasury yields on Monday underscored how closely energy and fixed-income markets are now linked to developments in the Middle East.
Analysts have cautioned that the relief could prove fragile, as the durability of any de-escalation depends on whether formal talks materialise and hold. For now, however, the removal of an imminent military flashpoint was enough to reset sentiment across commodities, equities and bonds.
Attention will turn to whether negotiations advance in the coming days and how oil-producing nations respond to the sudden softening in prices. A sustained diplomatic track could keep downward pressure on crude, while any breakdown would risk a swift return of the geopolitical premium that markets shed on Monday.