Treasury yields whipsawed today after Iran headlines

The bond market saw a sharp whipsaw today, driven mostly by geopolitical headlines rather than economic data. Overnight, yields on the US10Y moved higher as tensions around Iran and the Strait of Hormuz escalated. Oil prices spiked on fears of supply disruption through the strait, which handles a large share of global crude shipments. Higher oil tends to push inflation expectations higher, which usually puts upward pressure on Treasury yields. The move reversed quickly when a headline suggested potential peace talks between the U.S. and Iran. Markets reacted immediately. Oil pulled back and yields dropped as traders repriced the risk of escalation. Minutes later Iranian officials denied the talks, triggering another round of volatility. It’s a clear example of how headline risk and algorithmic reactions can create sudden intraday swings in modern markets.