Bitcoin spot ETFs see $35.8 million in weekly inflows, with IBIT recording a $26.93 million single-day inflow as Congress holds dual meetings on crypto tax reform.

ChainCatcher report, according to BBX data, institutional demand for Bitcoin ETFs remained strong yesterday. Today, for the first time, both chambers of Congress advanced crypto legislation on the same day. Key developments include: On May 13, U.S. spot Bitcoin ETFs recorded total net inflows of approximately $358.1 million. BlackRock, Inc. (NYSE: $BLK)'s iShares Bitcoin Trust (NASDAQ: $IBIT) alone saw net inflows of $269.3 million—the strongest single-day inflow in several weeks. U.S. spot Bitcoin ETFs have now recorded positive net inflows for seven consecutive weeks, further reinforcing the structural signal of sustained institutional capital returning to the market. Bitcoin closed above $80,000 yesterday, up about 14% year-to-date, with market sentiment remaining cautiously optimistic ahead of the CLARITY Act markup. On May 14, the U.S. House Ways & Means Committee held a closed-door session alongside the Senate Banking Committee’s CLARITY Act markup, focusing on cryptocurrency tax reform. Key topics included the taxation of crypto capital gains, tax reporting responsibilities for DeFi protocols, and the tax classification of Bitcoin mining and staking rewards. This marks the first time in 2026 that both chambers of Congress have advanced crypto regulatory legislation on the same day, signaling that crypto regulatory立法 has expanded from isolated market structure issues to a comprehensive legislative ecosystem encompassing both "regulatory framework" and "tax system."