Global Bond Yields Rise as Iran Conflict Escalates and Fed Outlook Wavers

Global Bond Yields Rise as Iran Conflict Escalates and Fed Outlook Wavers

U.S. equities were little changed on the week – the S&P 500 rose 0.1 per cent, the NASDAQ gained 0.4 per cent, and the Russell 2000 added 0.12 per cent – but those modest moves masked a far more turbulent week in the global rates markets. The U.S. 10-year Treasury yield briefly touched 4.8 per cent on Tuesday, its highest level since January 2025, as renewed conflict in Iran and hawkish Fed commentary pushed inflation expectations higher. The move was global in scope: Japan’s 10-year government bond yield hit its highest level in three decades, Germany’s Bund yield reached levels not seen since 2011, and U.K. gilt yields touched their highest levels since 2008 (10-year) and 1998 (30-year).

The more notable story last week, however, was the resumption of major hostilities between the U.S. and Iran. U.S. forces struck two Iranian rocket launchers on Larak Island in the Strait of Hormuz – the first American strike in about a month – after receiving intelligence reports that Iran was preparing to lay more sea mines. Iran retaliated by firing missiles at Jordan, most of which were intercepted, calling the U.S. strike a “fatal error.” Rather than continuing to target Iran’s nuclear program, the Pentagon has redirected its efforts toward keeping the Strait open. On Tuesday, U.S. forces hit nearly 60 military targets, including air defenses, radar systems, and mine-laying equipment. At the same time, they escorted 40 commercial vessels carrying 18 million barrels of oil through the Strait — the largest flow since the conflict began. However, that’s still below the roughly 20 million barrels/day that transited the Strait before the war. WTI rallied 9.7 per cent for the week, reinforcing the inflationary pressure building in the economy.

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