Techub News reports that according to iChainfo data, yesterday the net inflow of Bitcoin spot ETFs in the United States was $621 million, with Grayscale ETF GBTC seeing a net inflow of approximately $30.91 million for the day; BlackRock ETF IBIT had a net outflow of approximately $69.11 million for the day; Fidelity ETF FBTC had a net inflow of $308 million; Ark & 21Shares ETF ARKB had a net inflow of $127 million; Bitwise ETF BITB had a net inflow of $100 million; Grayscale Micro ETF BTC had a net inflow of $100 million for the day; VanEck ETF HODL had a net inflow of $17.18 million; Valkyrie ETF BRRR had a net outflow of $2.58 million.