Goldman Sachs filed an application for an exchange-traded fund on Tuesday that seeks to generate income for investors by selling options tied to Bitcoin’s price, underscoring the Wall Street giant’s incremental approach toward the digital assets space. The Goldman Sachs Bitcoin Premium ETF would allocate at least 80% of its assets to investments that provide exposure to Bitcoin, including ETFs that track the digital asset’s spot price as well as derivatives tied to those products. To generate income for i ...