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Bitcoin ETFs bleed $910M in two weeks

Spot Bitcoin ETFs lost $228.6M this week after a $681.1M drain the prior week, dragging October into the red.

STORY·October 18, 2026·3 min read·By Gintautas Nekrosius
A single red arrow descending through a stack of cream-colored rectangular blocks, negative space above
Two weeks, nearly a billion dollars out the door.

U.S. spot Bitcoin ETFs posted net outflows of $228.6 million this week. That follows a $681.1 million drain the week before, pushing the funds' October tally deep into negative territory.

Outflows beat inflows on three of five trading days this week, with Wednesday producing the sharpest single-day loss. The pattern mirrors the prior week almost exactly: a few heavy redemption days outweighing lighter inflow days.

The numbers behind the drain

The scale of the two-week slide is the story, not any single day's print. Investors pulled money faster than they put it back in, twice in a row.

  • Net outflows this week: $228.6 million, per Decrypt.
  • Prior week's outflow: $681.1 million, same source.
  • Combined two-week drain: roughly $910 million.
  • Outflows exceeded inflows on 3 of 5 trading days this week.

What the outflows actually say

The default read will call this a "risk-off" month for Bitcoin, the kind of seasonal pullback that reverses once sentiment turns. The deceleration in the outflow pace tells a different story.

Week two lost $228.6 million. Week one lost $681.1 million. That's a roughly 66% slowdown in redemptions, not an acceleration.

A true capitulation looks like outflows getting worse each week as panic compounds. This looks like a large initial wave of selling that's already running out of sellers.

ETF flows aggregate thousands of individual decisions, and big weekly swings often trace back to a handful of large allocators rebalancing, not retail abandoning the asset. The first week's $681 million looks like that kind of lump.

The second week's smaller number is what's left once the big redemptions clear the pipe. "Uptober" staying red is a real data point.

But a billion dollars leaving spot ETFs over two weeks, in products that now hold tens of billions in assets, is a rotation. It isn't evidence of structural flight from the vehicle itself.

What would confirm the reversal

The next one or two weekly prints decide which story is right. A third straight week of outflows, even a small one, would undercut the slowdown read entirely.

  • A third consecutive week of net outflows, however small, would signal sustained selling pressure rather than a fading wave.
  • A single-day inflow exceeding $200 million would mark a clean break from the three-red-days-out-of-five pattern seen this week.
  • Daily flow data from major issuers (BlackRock's IBIT, Fidelity's FBTC) turning net positive for a full five-day week would confirm the bottom.

Gintautas Nekrosius is the founder and editor of Stack and Story. He spent more than a decade in technology and crypto, including senior marketing roles at companies in the Animoca Brands and NordVPN groups, and worked on token launches and go-to-market from the inside. He started Stack and Story to write the independent read he could not find: crypto and markets explained plainly, by someone who has seen how the machine works. The publication holds no tokens and takes no trades.

DisclosureStack and Story holds no position in the assets discussed and earns nothing from their movement. This is analysis, not financial advice. Do your own research.

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