Bitcoin ETF flows showed a net outflow of $295.9 million on September 16, 2026, with major declines in IBIT (-$144.1M), ARKB (-$84.4M), and FBTC (-$52.7M), while MSBT saw a small inflow of $3.5M.
Bitcoin ETF flows totaled $159.9 million on September 14, 2026, with IBIT leading inflows at $134.3 million and ARKB seeing outflows of $42 million.