Oil Surges Above $100 as Strait of Hormuz Diplomatic Stalemate Reignites Inflation Fears

Crude oil prices breached $100 per barrel on Monday, triggering a fresh wave of selling pressure in global debt markets. The sudden market repricing followed US President Donald Trump's rejection of Iran's latest diplomatic proposal to reopen the Strait of Hormuz, reigniting cost-push inflation fears across fixed-income markets.

The yield response was swift and pronounced, with the US Two-Year Treasury Yield climbing 5 basis points to 4.90% and the US Ten-Year Treasury Yield advancing 4 basis points to 5.20%. Asian-Pacific sovereign debt tracked Treasuries lower, extending a multi-session retreat across fixed income.

The Strait of Hormuz is a critical transit corridor for global energy markets, with roughly a fifth of daily petroleum consumption passing through it. When maritime flow through this chokepoint is threatened, commodity markets immediately price in a structural risk premium.

Energy prices remaining elevated pose a severe policy headache for central banks, as they operate as an immediate tax on corporate supply chains and filter into transport surcharges, raw material costs, and broader headline consumer prices. This creates a challenging macroeconomic backdrop for corporate treasurers, who face higher corporate capital costs.