The European Central Bank (@ecb ) exerts a dominant and stabilizing influence on eurozone sovereign spreads in 2026 through three main channels: the Transmission Protection Instrument (TPI) anti-fragmentation backstop (activated since 2022), the interest rate policy (25 bp hike on June 11, 2026: deposit rate at 2.25%, MRO at 2.40%), ongoing quantitative tightening (QT) and…