4.485% marked the 10-year Treasury yield early Wednesday, up about 3.5 basis points, while mortgage-backed securities fell a quarter point after Iran launched missiles at several U.S. allies.
Oil prices climbed back to May 22 levels on the strike, and Treasury yields followed higher, though they remained below what their usual correlation with oil would imply.
4.43% to 4.52% has contained the 10-year yield's recent trading, underscoring that the move was notable but still within a narrow range.
10 a.m. ET ISM Services is one of the few data releases this week seen as capable of shifting intraday bond volatility, after ADP jobs data landed near expectations and drew little reaction.
With markets ignoring economic data, is geopolitical risk the new driver for global finance and mortgage rates?
How will the largest oil shock in history reshape global energy alliances and the green transition?
U.S.-Iran Conflict Triggers Oil Price Surge and Inflation Fears: Impacts on Treasury Yields, Mortgage Rates, and Global Markets in June 2026
Overview
In early June 2026, the escalation of the U.S.-Iran conflict triggered a surge in oil prices, which quickly fueled new inflation fears and caused immediate shifts in global financial markets. Rising energy costs became the main factor influencing Federal Reserve policy expectations, overtaking traditional indicators like jobs data. This market volatility was briefly eased when U.S. and Iranian negotiators agreed to a 60-day ceasefire extension, showing that even temporary diplomatic progress can calm financial markets. The direct link between geopolitical tensions, energy prices, and economic policy highlights how global events are now driving market performance and inflation risks.