Bitcoin ETFs Took In $999M and 11,530 BTC in Their Biggest Day in 11 Months: Why Wash-Sale Planning Follows Shares, Not Coins
U.S. spot Bitcoin ETFs took in $998.95M, roughly 11,530 BTC, on September 21, their biggest dollar inflow in 11 months. Yet much of that demand probably originated Friday. And Americans buying the ETF wrapper faced a tax distinction: wash-sale planning followed the shares, not ordinary Bitcoin holdings. The Block reported the figures September 22. The prior larger session was October 6, 2025, at $1.2 billion. The comeback mattered, but the transaction date, ownership structure, and personal cost basis mattered just as much. ...