Spot bitcoin ETFs see seven consecutive weeks of net inflows; IBIT recorded a single-day inflow of $269.3 million yesterday. The House Ways and Means Committee will hold a closed-door meeting on crypto tax reform today, concurrently with the Senate markup.

ChainCatcher reports, according to BBX data, institutional demand for Bitcoin ETF remained strong yesterday. Today, for the first time, crypto legislation is advancing simultaneously in both chambers of Congress. Key developments are as follows:

• The US Bitcoin spot ETF recorded a total net inflow of approximately $358.1 million yesterday (May 13). BlackRock, Inc. (NYSE: $BLK)'s iShares Bitcoin Trust (NASDAQ: $IBIT) saw a single-day net inflow of $269.3 million, marking the strongest daily figure in several weeks. Overall, US Bitcoin spot ETFs have now recorded net positive inflows for seven consecutive weeks, further reinforcing structural signals of continued institutional capital returning. Bitcoin closed above $80,000 yesterday, up roughly 14% since the start of the year. Market sentiment remains optimistic ahead of the CLARITY Act markup.

• The House Ways Means Committee today (May 14), along with the Senate Banking Committee's CLARITY Act markup, held a closed-door session on crypto tax reform. Topics included the handling of capital gains tax on crypto assets, tax reporting responsibilities of DeFi protocols, and the tax classification of Bitcoin mining and staking income. This marks the first time in 2026 that crypto regulatory legislation has advanced on two tracks in both chambers of Congress on the same day, signaling that crypto regulatory legislation has moved from a single market structure topic to a comprehensive legislative ecosystem covering both "regulatory framework + tax system."