Global energy markets are reeling as tensions between the United States and Iran intensify, sending the price of Brent crude climbing past 105 dollars a barrel. The escalation has effectively shuttered the Strait of Hormuz, cutting off vital supplies of oil and gas from the Gulf to international buyers. This supply shock comes at a precarious moment, with President Trump suggesting during a campaign stop in Texas that the hostilities may persist well into November, beyond the upcoming U.S. midterm elections.
The volatility is not limited to oil, as natural gas prices have likewise soared on wholesale markets. In the United Kingdom, prices surpassed 200p a therm for the first time since late 2022, exacerbated by critically low storage levels across Europe heading into the winter months. While British consumers currently have some protection via Ofgem’s price cap, analysts warn that prolonged spikes will inevitably lead to steeper household bills following scheduled increases in October and January.
Financial markets are reacting with growing alarm to what Chris Beauchamp of trading platform IG describes as a global awakening to the severity of the oil crisis. Beyond immediate fuel costs, there is a mounting fear that surging energy prices will trigger another wave of inflation. This anxiety has translated into a sharp rise in government bond yields globally; in the UK, ten year bonds reached their highest levels since 2007, while longer term bonds hit peaks not seen since 1998.
These rising borrowing costs present a double edged sword for national economies. Governments now face more expensive debt servicing at a time when public finances are already strained. For ordinary citizens, however, the impact is even more direct, as these shifting yields often dictate the interest rates applied to essential financial products, including fixed rate mortgages. As shipping disruptions loom and geopolitical instability persists, economists warn that the combined weight of expensive energy and costly credit could significantly dampen global economic growth.

