Will U.S. spot bitcoin ETFs pull in more than $500 million over the week ending Aug 21?
50% of users predicted YES — the community got this one right. 2 predictions cast.
U.S. spot bitcoin exchange-traded funds recorded net inflows of approximately $1.9 billion for the trading week ending Friday, Aug. 21, 2026, according to The Block, comfortably clearing the $500 million threshold in question. BlackRock's iShares Bitcoin Trust (IBIT) led the week's intake on most trading days, with Fidelity's FBTC as the second-largest contributor; smaller inflows came from funds including ARKB and BITB, while Grayscale's GBTC saw little to no activity on several sessions.
The inflows tracked a sharp bitcoin price rally: the cryptocurrency briefly traded above $79,000 on Friday, notching its largest weekly gain in roughly two years, with bitcoin and ether both rising between roughly 24% and 28% for the week, according to The Block. Traders and analysts attributed the surge to renewed institutional demand for spot crypto exposure amid broadly improving market sentiment. Combined weekly trading volume across bitcoin ETFs also more than tripled to roughly $22 billion, The Block reported.
The week's result reversed a combined roughly $392 million net outflow across bitcoin and ether ETFs the previous week and marked the strongest weekly inflow for U.S. spot bitcoin ETFs since October 2025. Predict Six's own community vote on this question was split 50/50 across just two votes, too small a sample to read as predictive either way.