BlackRock wants to cushion Bitcoin losses. What does its new ETF give up?

BlackRock has filed for a bitcoin ETF designed to soften losses through managed downside protection, trading away some of the upside investors would get from holding bitcoin directly. The move comes as its existing spot bitcoin ETF has continued to attract substantial inflows, even as rival funds have seen outflows. The filing signals growing demand for more risk-managed bitcoin exposure, but the protection is not cost-free: investors should expect capped gains and product-specific terms that determine how losses are buffered.