GBP/USD Sinks Below 1.3500 on Oil-Linked Dollar Strength

The British pound slipped below the 1.3500 handle against the US dollar as reports of renewed US-Iran tensions reshuffled risk appetite in favor of the greenback. Cable touched a two-week low near 1.3475 during the session, breaking a support zone that had held since late February.

Risk-Off Trigger and the Oil Transmission Path

The simple read attributes the move to a generic flight to safety. Geopolitical uncertainty lifts the US dollar, and sterling gives up recent gains. That narrative works for a first pass. The better market read runs through crude oil. Renewed friction between Washington and Tehran raises the risk of supply disruptions in the Straits of Hormuz, which pushes up oil prices. Higher oil prices hurt net-importing economies such as the United Kingdom more than the United States, which is now a net exporter. This asymmetric energy exposure reinforces dollar strength against sterling beyond a standard risk-off rotation.

Brent crude futures rose on the report, adding to a month-long rally that already reflected tight supply. A sustained move above $90 per barrel would directly pressure the UK’s terms of trade, since the country imports about 40% of its energy. The Federal Reserve plays a supporting role. If oil-driven inflation renews rate-hike expectations, the dollar gains a yield advantage over the pound, where the Bank of England faces a weaker growth outlook.