According to CoinMeta, in the past 24 hours, Blackstone, Fidelity, and ARK led in attracting nearly $1 billion in Bitcoin ETF capital inflows, which drove a significant increase in Bitcoin prices. On September 21st, the US spot Bitcoin ETF market recorded its strongest performance recently, attracting nearly $1 billion in net inflows. Blackstone's IBIT led with an inflow of $381.4 million, followed closely by ARK's 21Shares with $289.1 million, and Fidelity's FBTC also saw an increase of $238.8 million. The inflow of Bitcoin ETF indicates a strong return of institutional demand; over the past three days, ETF has absorbed approximately $1.59 billion in funds.