Sterling edges higher as US-Iran deal rumour dents dollar, focus turns to US PCE

    by VT Markets
    /
    May 29, 2026

    Sterling recovered some ground on Thursday, with GBP/USD up 0.08% after an Axios report said the US and Iran had reached a deal, subject to confirmation from President Donald Trump. The pair traded at 1.3437 at the time of writing, having rebounded from a daily trough of 1.3367. Earlier in Europe, the Pound recouped roughly half of its prior decline and returned to around 1.3400, but the move was framed as fragile as conflict in the Middle East re-intensified.

    In Asian hours, GBP/USD met selling pressure near 1.3400 as renewed US-Iran tensions supported demand for the safe-haven US Dollar. Trading conditions also stayed cautious ahead of the US April Personal Consumption Expenditures Price Index inflation report due later in the session, keeping attention on macro catalysts as well as geopolitics.

    Impact Of Geopolitical Headlines On GBP/USD

    We are seeing a familiar pattern where geopolitical headlines are creating sharp, short-term movements in the currency markets. Any rumor of de-escalation in the Middle East weakens the safe-haven US Dollar, giving the British Pound a temporary lift. This dynamic is keeping GBP/USD highly reactive, particularly around the 1.2750 level.

    Economic Data, Policy Divergence And Volatility Outlook

    Beyond the daily noise, we see the underlying economic data still favors the US Dollar for now. With the latest US PCE inflation figures holding firm at 2.7%, the Federal Reserve has little reason to cut interest rates soon. In contrast, UK inflation has fallen faster to 2.3%, which increases the likelihood that the Bank of England will cut rates first, potentially as early as August.

    Given this backdrop of headline risk and diverging central bank policy, we believe derivative traders should prepare for a spike in volatility. Buying options to gain exposure to sharp price swings could be a prudent strategy over the next few weeks. Key events to watch will be the next US jobs report and any confirmed geopolitical developments, as these will likely be major catalysts for the market.

    We have seen this playbook before, especially during the tensions of early 2024, where initial reactions to headlines were often retraced. A sudden spike in the Pound on peace rumors has historically provided a better level to position for the dollar’s underlying strength. Therefore, we will view any sudden, headline-driven rallies in GBP/USD with a degree of skepticism.

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