CoinMeta data: According to Coinpaper, from October 5th to 9th, Bitcoin ETF investors withdrew nearly $679 million, causing the US spot Bitcoin ETF market to experience a difficult week. Based on ETF liquidity data, these funds recorded a net outflow of about $678.9 million over five trading days, with the selling pressure being most concentrated on Wednesday and Thursday. Although new capital of $118.8 million was attracted on Tuesday, there was a net withdrawal of $484.9 million on Wednesday, making it the worst trading day of the week. Despite Bitcoin ETF returning to a positive inflow on Friday with a net inflow of $21.1 million, this was not enough to offset the previous losses.