Swiss Franc Gains Ground as US Dollar Slips on Renewed Iran Peace Hopes

The Swiss franc extended gains against the US dollar on May 25, 2026, as renewed diplomatic momentum toward a possible Iran peace deal eased geopolitical risk and weakened the dollar broadly. USD/CHF fell to session lows amid profit‑taking on long‑dollar positions and active buying of francs, while the euro and pound also strengthened. Markets are pricing a potential reduction in oil-price volatility and lower inflation pressures, which could shift central bank expectations. A stronger franc complicates the Swiss National Bank’s inflation management and raises the possibility of closer SNB commentary or intervention if the trend persists. Traders should watch Middle East headlines, oil-market signals and SNB communication for further FX moves.