U.S. spot Bitcoin ETFs erase 2026 losses with $4.6B inflow since August

U.S. spot Bitcoin ETFs have reversed 2026 losses after attracting $4.6 billion in inflows since August 19, driven by renewed demand and Bitcoin’s 35% rally to over $87,000. BlackRock’s IBIT led inflows with $381.4 million on August 21, followed by Ark Invest’s ARKB and Fidelity’s FBTC.