Global bond yields surged sharply on Monday, intensifying pressure on the government’s fiscal position ahead of next month’s budget announcement. The rise in yields reflects increased inflation concerns amid heightened geopolitical tensions in the Middle East.

Oil prices climbed above $105 per barrel following signals from US President Donald Trump that he does not anticipate a resolution to hostilities with Iran before the midterm elections in November. Iran’s effective closure of the Strait of Hormuz, a critical shipping route through which a significant portion of Middle Eastern oil is transported, has exacerbated fears of supply disruptions, driving energy prices higher.

The surge in oil prices has, in turn, fueled inflation expectations and pushed up bond yields. Rising yields increase borrowing costs for the government, resulting in higher interest payments on public debt. This dynamic leaves less fiscal space for other government priorities and complicates budget planning efforts.

This development presents particular challenges for Andy Burnham and his administration as they prepare for the upcoming budget. The Office for Budget Responsibility (OBR) is expected to release its economic forecasts in conjunction with the budget, evaluating the overall economic conditions as well as the government’s policy proposals. Central to these forecasts is an assessment of the government’s adherence to its self-imposed fiscal rules regarding spending and debt levels.

Given that the OBR’s calculations are highly sensitive to bond market movements, a sustained increase in yields could reduce the government’s fiscal buffer more than previously anticipated. This would constrain Burnham’s room to maneuver in setting budget priorities and may influence both spending plans and borrowing limits.

Market observers will closely watch the evolving geopolitical situation and its impact on energy markets, as these factors will continue to shape inflation trends and government financing conditions in the near term.