According to CoinMeta, a large amount of funds flowed out of the US spot BTC ETF market yesterday, with a net outflow of up to $399 million. Among them, the largest outflow was from IBIT, with a single-day net outflow of $405 million. According to media reports, the spot BTC ETF tracking strategy that has been developed shows a significant positive correlation between the inflow of ETF funds and the price of BTC.