Early October saw significant activity in Bitcoin spot ETFs, with data from SoSoValue revealing a net inflow of $2.71 billion according to the week’s trading period (Oct 6-10, 2025 UTC-4). Blackrock’s IBIT ETF led inflows with an impressive $2.63 billion, bringing its historical net inflow to a staggering $65.26 billion. Fidelity’s FBTC ETF followed closely with a weekly net inflow of $88.96 million, reaching a total historical net inflow of $12.70 billion. In contrast, the Grayscale Bitcoin ETF, GBTC, experienced the largest net outflow of $93.37 million during this period. Its historical net outflow now stands at $24.20 billion. Meanwhile, the overall market valuation for Bitcoin spot ETFs has reached a robust $158.96 billion, with an ETF net asset ratio of 6.98% compared to the total market capitalization of Bitcoin. The cumulative historical net inflow for these ETFs reaches a notable $62.77 billion.