The US dollar weakened against a basket of major currencies after reports surfaced that the US-Iran ceasefire has been extended. The move reflects a broader shift in market sentiment, with traders rotating out of safe-haven assets and into riskier plays as the prospect of de-escalation in the Middle East gains traction.

What happened and why the dollar moved

The original two-week ceasefire between the US and Iran was announced on April 8, brokered by Pakistan. That initial agreement sent the dollar index sliding to one-month lows as oil prices dropped and risk appetite surged across global markets.

Now in late May, the ceasefire has been extended, with ongoing negotiations involving Qatar focused on reopening the strategically critical Strait of Hormuz. The strait is one of the world’s most important oil chokepoints, and its closure during the conflict rattled energy markets and, by extension, currency markets worldwide.

The greenback’s weakness wasn’t confined to one pair. It dropped against multiple major currencies, a broad-based move that suggests this isn’t just technical noise. Traders are repricing the geopolitical risk premium that had been baked into the dollar for weeks.

A fragile peace and a volatile path

The period between the original April ceasefire and the current extension has been anything but smooth. Intermittent strikes, claims of violations from both sides, and diplomatic back-and-forth have defined the last several weeks.

The dollar index has whipsawed accordingly. It weakened on ceasefire optimism, then firmed again when new US strikes made headlines. Then it weakened again on extension reports.

Oil prices have been the transmission mechanism. When ceasefire news breaks, crude drops on the expectation that supply disruptions will ease. A weaker oil price reduces inflationary pressure, which in turn reduces the market’s expectation for aggressive Federal Reserve policy. That chain reaction pushes the dollar lower.

What crypto is doing with all of this

Bitcoin and other digital assets have been surprisingly responsive to the ceasefire headlines. Crypto markets surged on the initial peace announcement in April, rallied again on extension news, and then retraced when US strikes suggested the truce might not hold.

Perhaps the most eyebrow-raising development: Iran has proposed using Bitcoin for oil tanker fees following the ceasefire. If that proposal gains any traction, it would represent one of the first instances of a nation-state integrating Bitcoin into commodity-linked financial infrastructure during an active diplomatic process.