UK political turmoil weighs on gilts as Starmer fights for survival

Keir Starmer's grip on the UK Prime Minister's office is visibly weakening. Senior government figures are departing; allies in Cabinet are distancing themselves or resigning. The political instability is compounding pressure on UK financial markets already stressed by sticky inflationThe rate at which prices rise across an economy. and energy-shock fallout from the Iran war. A confidence vote or snap election is no longer a fringe scenario.

Gilt yields have spiked as investors demand a political-risk premium. The pound has also weakened amid the uncertainty. Financial markets are now pricing in the scenario that a new PM could emerge, potentially leading to different fiscal or tax policies. Earlier Bloomberg reported that JPMorgan's Jamie Dimon warned the UK government that higher bank taxes would prompt JPMorgan to scrap its planned UK headquarters investment; that threat underscores how fragile business confidence has become.

The ECB is also signaling readiness to hike rates due to the Iran war energy shock and persistent inflationThe rate at which prices rise across an economy. pressure in the eurozone. France's unemployment unexpectedly jumped above 8%, the highest in five years, adding to euro-area growth concerns. This divergence, UK political risk + Fed holding rates high + ECB considering hikes, is creating a toxic environment for sterling and European equities. Fixed-income investors face durationBond price sensitivity to interest rate changes. losses if gilt and bund yields rise further.

Markets are pricing in multiple scenarios: a managed transition to a new PM within weeks, a confidence vote that weakens Starmer but keeps him in place, or a snap election that creates months of policy uncertainty. Each scenario has different implications for gilts, sterling, and UK equities. If Starmer survives the immediate crisis but emerges weakened, his fiscal agenda becomes harder to execute, which could support gilts on lower-growth forecasts. If a snap election is called, uncertainty and volatility spike across UK assets.