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US spot Bitcoin ETFs see $526.7M inflow on Oct 19, biggest since Sept, but October flows remain slightly negative.

Reported by Pluang ·Bloomingbit ·Tokenist +7 more
Oct 20, 2026· 2 min read
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Key Takeaways
  • • US spot Bitcoin ETFs recorded a net inflow of $526.7 million on October 19, their largest daily gain since September 22, according to Pluang.
  • • BlackRock's iShares Bitcoin Trust led inflows with $665.2 million, offsetting outflows from Fidelity's Wise Origin Bitcoin Fund and Grayscale Bitcoin Trust.
  • • Despite the single-day inflow, cumulative October net flows for US spot Bitcoin ETFs remain slightly negative, following weeks of significant outflows.
  • • US spot Ether ETFs saw $103.3 million in net outflows on the same day, led by BlackRock's iShares Ethereum Trust, signaling divergent sentiment between the two asset classes.
Summary
US spot Bitcoin exchange-traded funds recorded a net inflow of $526.7 million on October 19, 2026, marking their largest single-day gain since September 22, according to Pluang. The inflows were led by BlackRock's iShares Bitcoin Trust, which took in $665.2 million on the day, partially offsetting redemptions at Fidelity's Wise Origin Bitcoin Fund and the Grayscale Bitcoin Trust.

Despite the strong daily figure, net flows for October remain slightly negative, as earlier weeks in the month recorded significant outflows. The October 19 inflow therefore represents a partial recovery rather than a reversal of the month's trend.

In contrast, US spot Ether ETFs posted $103.3 million in net outflows on the same day, with BlackRock's iShares Ethereum Trust again the largest single contributor to the movement. The divergence between Bitcoin and Ether fund flows points to mixed investor sentiment across the two major crypto asset classes.

Pluang's market snapshot as of October 20, 2026, at 17:31 WIB showed 16 of 50 major cryptocurrencies rising and 32 falling. Compound (COMP) gained 3.54%, while Zilliqa (ZIL) fell 4.41% and Uniswap (UNI) declined 3.05%, with buy-side activity varying widely across the tokens.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Pluang US spot Bitcoin ETFs see $526.7M inflow on Oct 19, biggest since Sept, but October flows remain slightly negative. Bloomingbit US Spot-Bitcoin ETFs See $23.19 Million in Net Inflows for Second Straight Trading Day - bloomingbit Tokenist Spot Bitcoin ETF Products Record $649M in Net Outflows, Largest Since January Bitcoinworld US Bitcoin ETFs See $84.9M Net Outflow, Ending Three-Day Inflow Streak Theblock Spot bitcoin ETFs log $649 million in net outflows, largest since January Investing Spot Bitcoin ETF Products Record $649M in Net Outflows, Largest Since January Finance US Spot Bitcoin ETFs See Third Straight Week of Inflows as Golden Cross Looms Bitget US Spot Bitcoin ETF Sees $396.6 Million Net Outflow Yesterday Cryptobriefing US spot bitcoin ETFs see $266M inflow, largest since May Cryptonews US Bitcoin ETFs See $84.9M Net Outflow, Ending Three-Day Inflow Streak