Bitcoin spot ETFs recorded a net outflow of $316 million last week, marking the fifth consecutive week of outflows, according to SoSoValue data. BlackRock's IBIT led the outflows with $303 million, while Fidelity's FBTC saw $19.6 million in net outflows. In contrast, Grayscale Bitcoin Mini Trust (BTC) experienced a net inflow of $35.97 million. The total net asset value of spot Bitcoin ETFs currently stands at $85.31 billion, with an ETF net asset ratio of 6.30%. Cumulative net inflows since inception have reached $54.01 billion, highlighting the ongoing volatility in the Bitcoin ETF market.