CoinMeta data: According to OnchainLens, US spot Bitcoin ETF experienced a net outflow of $526.4 million from October 7th to 8th, with $484.9 million flowing out on October 7th and $41.5 million on October 8th (reported by 4 out of 12 funds). During this period, the price of Bitcoin fell by about 4.4%, from $85,550 to $81,750. The ETF trading volume data for October 8th is still preliminary.