U.S. spot Bitcoin ETFs recorded $526.7 million in combined net inflows on Oct. 19, 2026, according to Farside Investors’ October data. BlackRock’s IBIT led the gains, while Fidelity’s FBTC and Grayscale’s GBTC saw outflows.
- Combined net inflows: $526.7 million
- IBIT: $665.2 million in net inflows
- FBTC and GBTC: $83.6 million and $54.9 million in net outflows
- October through Oct. 19: $88 million in net outflows
IBIT drove the daily gain
Farside’s Oct. 19 figures show that IBIT’s $665.2 million inflow more than offset withdrawals from FBTC and GBTC. The other funds in Farside’s row had no net flow. Together, the figures add up to a $526.7 million net inflow across the category.
The total does not mean every fund saw net inflows. It reflects a strong day for IBIT, partly offset by outflows from two competitors.
Spot Bitcoin ETFs give investors exposure to Bitcoin’s market price through exchange-traded funds. Their reported net flows track money entering and leaving the funds, often through the creation and redemption of fund shares. They do not capture every investor’s Bitcoin purchases or all activity across the wider market.
A positive day did not erase October’s outflows
Farside’s daily totals from Oct. 1 through Oct. 19 add up to $88 million in net outflows for the month. The Oct. 19 result was substantial, but it did not erase the month-to-date deficit.
Biggo called the $526.7 million figure the largest daily inflow since Sept. 22. Farside’s October-only data cannot independently confirm that ranking, so the September comparison should be treated as Biggo’s claim, not a verified historical record.
ETF flows can show activity in a specific group of funds, but they do not reliably predict Bitcoin’s price. Price also reflects trading and positioning across broader markets. A strong flow day is worth examining, but it is not a standalone price forecast.
Key questions about Bitcoin ETF flows
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What does the $526.7 million figure measure?
It is the combined one-day net flow across U.S. spot Bitcoin ETFs on Oct. 19, 2026, according to Farside Investors.
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Did the inflow come from buying across all the funds?
No. IBIT recorded a large inflow, while FBTC and GBTC saw outflows. The other funds had no net flow in Farside’s row.
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Do ETF flows predict Bitcoin’s price?
Not reliably. Flows measure net activity in the funds, while Bitcoin’s price responds to trading and positioning across the broader market.
