OranjeBTC, a Brazil-listed company specializing in Bitcoin strategic reserves, has listed its Digital Yield ETF on B3, Brazil's main stock exchange. According to Crypto Briefing, this ETF, named DIGY11, invests in Strategy's Bitcoin-linked preferred shares STRC and Strive's perpetual preferred shares SATA. The initial portfolio consists of 95% STRC. This product does not directly hold Bitcoin. It aims for an annual return of around 18%.