Italy’s benchmark 10-year government bond yield hit 4.14% to 4.15% on August 31, jumping roughly 25 basis points from the 3.9% level where it started the month. Across the euro area, sovereign debt is selling off in a move that has fixed-income investors recalibrating their playbooks in real time.

The culprit list is long: oil prices north of $90 a barrel, fresh inflation anxiety, record-breaking bond issuance projections, and a geopolitical backdrop that keeps getting worse. But perhaps the most striking development is one that few predicted at the start of the year. France, not Italy, is now the bond market’s problem child.

Oil, Iran, and the inflation ghost that won’t leave

The latest leg higher in yields traces back to escalating tensions in the Middle East, particularly a conflict involving Iran that has pushed crude prices above $90 to $94 per barrel. Italy’s 10-year BTP yield bottomed near 3.86% in early August before the oil spike gathered momentum. In the span of a few weeks, that floor gave way entirely.

France overtakes Italy in the wrong race