UBS Warns Iran Conflict Straining US Debt
The escalating U.S. military conflict with Iran is rattling bond markets and adding to anxieties about American government debt, according to UBS analysts. The rising costs of defense spending and weapons procurement are reportedly exacerbating U.S. fiscal imbalances and unsettling investors.
The U.S. national debt currently exceeds $38.8 trillion, a figure that has been climbing by roughly $1 trillion every 100 days. This rapid increase means interest payments on the debt have become one of the largest federal expenditures, at times costing more than the defense budget itself. Even before the recent escalation with Iran, U.S. defense spending was on a sharp upward trajectory. The Trump administration's "One Big Beautiful Bill Act" is projected to add $3.4 trillion to deficits over a decade, with defense spending expected to surpass $1 trillion in fiscal year 2026. The conflict has triggered immediate economic shocks, most notably threatening the Strait of Hormuz, a chokepoint for about 20% of the world's daily oil supply. The effective closure of the strait by insurers and shipping companies has already caused oil prices to jump and disrupted global energy flows. Beyond energy, the crisis is snarling global supply chains. Air freight costs have spiked, impacting the delivery of pharmaceuticals from India, while the tech industry faces delays in crucial components like microchips and EV batteries that are stranded in the Gulf. In response to the heightened geopolitical risk, investors are showing a "flight to safety." Analysts at UBS note that such instability, combined with concerns over public debt, is driving an upward trend in gold prices. The conflict is creating a paradoxical situation for the bond market. While the cost of military action adds to the national debt, the market uncertainty it creates can increase the appeal of U.S. Treasury bonds compared to more volatile equities. Iran's retaliation has been more severe than in previous conflicts, with missile and drone strikes hitting targets in the UAE and Saudi Arabia. This suggests a planned, broader escalation designed to inflict economic pain by targeting oil prices and undermining consumer confidence in the U.S.