Euro Entry Makes Bulgarian Stocks World’s Best in Early 2026

Bulgaria’s euro adoption is fueling the world’s best stock rally in early 2026 with investors confident that joining the currency bloc will lead the economy to deeper European integration.

Sofia’s SOFIX has jumped 18% since Jan. 1, when the country officially adopted the euro, with the biggest winners including the Bulgarian Stock Exchange, software producer Sirma Group Holding JSC and Sopharma AD.