Bitcoin exchange-traded funds (ETFs) saw a significant net outflow of $418.38 million on September 26. Fidelity's FBTC led the decline with a $300.41 million outflow, followed by BlackRock's IBIT with $37.38 million and Bitwise's BITB with $23.79 million. Other notable outflows included Ark Invest's ARKB at $17.81 million and Grayscale's GBTC at $17.14 million. Meanwhile, ETFs from Invesco, Franklin, Valkyrie, and WisdomTree reported no net flow changes.