The benchmark 30-year gilt yield touched 5.951%, reflecting a broader global trend that has pushed developed-market bond yields to multiyear peaks. Meanwhile, 10-year yields hovered at 5.360%, remaining within striking distance of a 19-year high. Investors are bracing for persistent inflation as the conflict in the Middle East drives Brent crude above $107 a barrel, threatening energy supply chains.

Market participants have recalibrated their expectations for Bank of England policy, now fully pricing in four interest rate hikes by June 2027. This shift comes despite the central bank's expected pause this Thursday. Beyond energy-driven inflation, fiscal anxiety is mounting. With national debt at 94% of annual economic output and a budget deficit projected at 4% of GDP, analysts warn that the government faces a narrow path to demonstrate fiscal restraint. Stefan Koopman of Rabobank noted that the Oct. 28 budget could trigger further volatility, as the prospect of increased debt issuance looms over an already nervous bond market.