The topic of Brexit has resurfaced in British politics, with Labour politicians increasingly focusing on its long-term effects on public finance and growth. This shift in attention has been surprising due to Labour’s prior avoidance of the subject.
On Monday, the pound rose against the US dollar and euro, despite limited data to support the increase. While the weakening of the euro and US dollar contributed, the Prime Minister’s comments on strengthening ties with the EU played a role in the pound’s appreciation.
Brexit Challenges Remain
The UK’s challenges existed before Brexit, which has largely exacerbated those issues. A closer relationship with the EU may help alleviate recent problems but won’t solve everything. Access to the EU single market might require concessions, and significant changes might not occur quickly.
If access to the EU single market improves, the pound could benefit further. Recent currency movements may offer an early glimpse of potential benefits. However, it’s too soon to consider all positive outcomes of an EU rapprochement.
We have seen the pound rally strongly this week based on little more than political statements about a closer UK-EU relationship. This follows the groundwork laid last summer, during 2025, when politicians began openly discussing the negative long-term effects of Brexit on the economy. For now, the foreign exchange market is reacting with what seems like exaggerated foresight to these early hints.
Sterlings Fragile Strength
The pound’s recent jump to a multi-month high against the dollar is happening despite a fragile economic backdrop. UK GDP growth for 2025 was modest at best, coming in around 1.9% according to last year’s official forecasts, and the ‘productivity puzzle’ that existed even before the Brexit vote remains unsolved. This suggests the currency’s strength is built more on hope than on current economic reality, making it vulnerable to shifts in sentiment.
Given this disconnect, we should consider that implied volatility in sterling options is likely to rise in the coming weeks. The current rally is premature, as any real access to the EU single market will not come quickly or without significant political concessions from the UK. This uncertainty creates an environment where options strategies, such as buying straddles, could be used to position for a large price swing in either direction.
Any formal negotiations would be complex and drawn out, likely requiring compromises on sensitive issues that the market is currently overlooking. We believe the path to a closer relationship is fraught with political hurdles that could easily derail the positive narrative. The market’s current optimism seems to ignore the high probability of difficult talks and potential setbacks.
Drawing from our experience during the original Brexit negotiations between 2017 and 2019, we know that headline risk is extremely high in these situations. Sterling will react sharply to any statement from London or Brussels, creating significant short-term trading opportunities. Therefore, it is prudent to use derivatives to define risk, perhaps by buying call options to participate in further upside while limiting potential losses if the political goodwill evaporates.
