Will the United States and Iran reach a formal nuclear agreement by the end of Q4 2026?
What moved
Trump cancelled planned strikes on Iran and signalled an imminent agreement to end the war; sanctions relief expectations and de-escalation risk repricing across oil, FX and safe-haven positioning.
The market transmission
A credible path to Iran sanctions relief would ease crude supply risk premium, pressure safe-haven flows, and lift risk appetite into EM FX and equities. Oil repricing hinges on whether markets believe a deal materializes and what relief terms entail. Near-term, announcement risk dominates pricing as traders await detail on enforcement, timeline and scope.
What would change this
Trump's rhetoric on deals has often diverged from execution; markets will discount the announcement until terms are published and enforcement mechanisms clarified. Crude moved sharply on Iran deal news in 2015, but 2018 saw rapid reversal when the prior accord was abandoned. The credibility of 'soon' and the actual depth of relief determine whether this reprices sustainably. Spare capacity in OPEC+ and shale also conditions the supply response.
Directional leans
Brent ▼ moderateGold ▼ moderateEM FX ▲ moderate