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BTC The U.S. Spot Bitcoin ETF recorded a net inflow of US$2.39 billion in the week from September 21 to 25.
In the five trading days from September 21 to September 25, the U.S. Spot Bitcoin ETF (Exchange Traded Funds) recorded a total net inflow of US$2.39 billion. Each trading day showed a positive inflow trend, with BlackRock's iShares Bitcoin Trust (IBIT) leading the way with a net subscription of US$96.99 million on the last trading day.
Overview of key data
- Weekly total net inflows: During the week from September 21 to 25, total net capital inflows were US$2.39 billion.
- Highest inflow in a single day: On September 25 alone, the total net capital inflow reached US$134.47 million.
- Top product performance: On September 25, BlackRock's IBIT fund received a net inflow of US$96.99 million.
Bitcoin ETF continued its winning streak, attracting US$2.39 billion in a single week
In the trading sequence from Monday to Friday, this type of product recorded positive capital inflows for five consecutive trading days, with specific values of approximately US$999 million, US$714.7 million, US$346.9 million, US$190.7 million and US$134.5 million respectively. Monday's $999 million was the largest single-day net inflow record for the week, consistent with the trend of net inflows of nearly $1 billion recorded on September 21.
周四的1.907亿美元和周五的1.345亿美元代表了本周后半段较为温和的资金流入态势，但这两个交易日依然保持净正流入状态。根据SoSoValue来源的Bloomingbit数据显示，周五的收盘将连续净资金流入的纪录延长至七个连续的交易日。
贝莱德IBIT占据周五买入量的近9700万美元
在9月25日，贝莱德的iShares比特币信托基金（IBIT）获得了9699万美元的净资金流入，占当日1.3447亿美元总流入额的约72%。富达（Fidelity）的Wise Origin比特币基金（FBTC）增加了4932万美元的流入，而Bitwise比特币ETF（BITB）在该交易时段则录得了1185万美元的净流出。
这些数据代表的是在美国上市的现货比特币ETF层面的净资金流，由SoSoValue汇总得出，并非对个人零售或机构投资者活动的直接衡量。IBIT在周五流入量中占据巨大份额反映了一种更广泛的趋势；在本周早些时候，富达的FBTC曾在之前的一个交易时段以3.107亿美元的流入额领先，这说明了大型产品之间资金轮动的现象。
BITB在9月25日录得1185万美元的净流出，这是一个值得注意的对冲因素，表明总体 headline 数据可能会掩盖个别基金层面截然不同的资金流向。当日的净正总额完全由IBIT和FBTC的申购超过BITB的赎回所驱动。
强劲的ETF需求遇上贪婪但趋软的比特币市场
在市场数据快照时，BTC的价格为83,483美元，24小时内下跌1.17%，市值约为1.677万亿美元，24小时现货交易量达251亿美元。这一天的价格下跌与23.9亿美元的周ETF总流入并存，这表明在短期内，基金资金流向数据与现货价格走势可能会出现背离。
此时，《加密货币恐惧与贪婪指数》（The Crypto Fear & Greed Index）录得74分，被归类为“贪婪”。在边际现货价格下跌且出现七次连续ETF资金流入的背景下，“贪婪”读数并不意味着明确的方向性价格结果；这是三个在不同时间框架和投资者基础上运行的独立数据系列。
为了提供更广泛的衍生品背景，9月27日的衍生品更新涵盖了资金费率、未平仓合约数量和清算情况，为本周的ETF资金流数据提供了杠杆市场的补充视角。如果23.9亿美元的周净资金流入得以持续，这将构成实质性的结构性需求输入，但单周的流动数据不足以确立长期趋势。近期需要关注的关键水平包括：BTC现货支撑位位于83,000美元，若跌破这一位置以及连续七次的资金流入纪录，将是需求恶化的首个确认信号。
