US Spot Bitcoin (BTC) ETFs Post $515.9 Million October Net Outflows

October Flips on the Final Session

The twelve US-listed spot ETF products holding Bitcoin (BTC) closed October with $515.9 million in net outflows, a monthly balance that stayed positive until the final trading session decided it. Issuer creation and redemption disclosures, summed across the 22 US trading days from October 1 to October 30, leave the month $515.9 million net negative. The figure is a compilation of daily records rather than a separately published monthly statistic, which makes the shape of the closing sessions the decisive detail. Through October 29, the twelve funds had taken in a cumulative $127.3 million for the month, helped by a $17.2 million net inflow on that single day. The last US session of October, the 30th, erased the entire build and then some: $643.2 million left the funds in one day, a single session larger than every prior net inflow of the month combined, and it moved the ledger from net inflow to net outflow.

Composite level scoring frames the print against the tape. Spot trades at $78,029, directly beneath the strongest resistance on the board at $78,058, which scores 98 out of 100, while the strongest support below sits at $74,842, scored 92 out of 100, and becomes the level that matters if redemptions extend into November. Positioning cuts against the bearish flow tally: open interest stands at $16.18 billion and the long/short account ratio reads 2.56, even as the composite trend label remains a downtrend. The longer horizon reads differently from October's ledger: J.P. Morgan's research still models 10% annual Bitcoin (BTC) returns over a 10 to 15-year horizon, and separate tracking shows miner holdings rose 1,797 Bitcoin (BTC) in the biggest weekly build in six weeks. A fuller breakdown of the levels sits in our Bitcoin technical analysis.

How the Ledger Counts an Outflow

An ETF net outflow is a primary-market measure. It records creations and redemptions, the mechanism through which fund shares are issued to or redeemed from authorized participants in large blocks, and not the secondary-market churn of shares trading between investors on exchanges. Under the U.S. Securities and Exchange Commission's (SEC) ETF investor guide, individual investors buy and sell fund shares on exchanges, while authorized participants transact directly with the fund itself. A negative monthly balance therefore cannot, by itself, establish that every holder was selling, nor identify who moved the money: an exit by a crypto whale and routine portfolio rebalancing land in the same column of the ledger.

The boundary matters for reading October's flip. Coins that moved off centralized exchanges, or that sit in self-custody or in Bitcoin DeFi positions, never enter the ETF ledger at all, so the monthly figure captures one channel of positioning rather than the market's whole disposition to HODL. The same separation applies inside the fund complex itself: the $643.2 million that left on October 30 is a daily balance, and the $515.9 million that defines the month is the sum of 22 such daily figures, not a number any single disclosure printed.

The composition of the final session narrows the story further. Combined, the exits from IBIT, FBTC and ARKB on October 30 come to roughly $564 million, leaving the remainder spread across the other nine products without a single-day figure approaching them. IBIT's $233.7 million alone represents more than a third of the day's total. None of these per-product numbers extends into a monthly balance in the disclosure set, so no fund's full-October position can be stated from this data. The compilation now resets: November's trading calendar has begun, and its first prints decide whether October's late-session reversal carries into a second negative stretch.