Despite supportive UK–US spreads, political and fiscal uncertainty under Starmer drags sterling sentiment, causing underperformance

    by VT Markets
    /
    Apr 28, 2026

    GBP has fallen 0.4% against the USD and has underperformed on several currency pairs. Moves have been linked to domestic and external factors.

    Markets are weighing political uncertainty tied to PM Starmer and what this could mean for fiscal policy. Recent confidence has been associated with Chancellor Reeves and her self-imposed fiscal rules.

    Bank Of England Rate Outlook

    For the Bank of England meeting on Thursday, markets are pricing little chance of a rate rise. They price 16 basis points for June and a total of 60 basis points by December.

    UK–US yield spreads have widened further and are nearing fresh highs, which supports GBP on fundamentals. However, market sentiment is dominant and options pricing shows a marginal rise in the cost of protection against GBP weakness.

    GBP/USD has remained in a 1.3450 to 1.35s range, while the broader uptrend from early 2025 is still intact. The article notes it was produced with help from an AI tool and then reviewed by an editor.

    The pound is currently caught between two opposing forces. On one hand, the fundamentals look supportive because UK interest rate expectations are rising faster than those in the United States, which should make sterling more attractive. This is creating a tense environment for the GBP/USD pair.

    Yield Spreads And Market Sentiment

    We are seeing this play out in the bond markets, where the spread between the UK 2-year gilt yield at 4.75% and the US 2-year Treasury at 4.25% is providing a solid floor for the pound. This gap has widened as recent UK inflation data remains stubbornly high at 3.5%, pressuring the Bank of England to consider further tightening later this year. These conditions normally signal a stronger currency.

    However, ongoing political uncertainty surrounding the Prime Minister and the Chancellor’s commitment to strict fiscal rules is making traders nervous. This negative sentiment is the main reason the pound is underperforming despite the positive economic signals. This is a classic case of market psychology overriding the raw data for now.

    Given this risk of a sudden downturn, a primary strategy is to buy protection against weakness. We can do this by purchasing GBP/USD put options, which increase in value if the pair falls. This effectively sets a floor price for any long positions, limiting our downside if negative political news causes a sharp drop.

    Looking back, we remember the strong positive trend that began in early 2025, but the current pause within the 1.3450–1.35s range signals indecision. Therefore, an alternative strategy is to use options to position for a large breakout in either direction, as the tension between strong fundamentals and poor sentiment is unlikely to last. This environment of heightened uncertainty means volatility is likely to increase.

    All eyes are on the Bank of England’s decision this Thursday for any change in tone, even if no action is taken. Furthermore, the government’s upcoming fiscal statement in mid-May will be the next major catalyst. Any hint of looser spending could cause the existing market nervousness to escalate significantly.

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