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finance.yahoo.comOCT 312 min read$BTC-USD

Investors Pull $643 Million From Bitcoin ETFs After the Biggest Crypto Hack in History

Investors withdrew $643.33 million from US spot Bitcoin ETFs on October 30, following a $6.3 billion hack on Binance. BlackRock's IBIT fund saw the largest outflow. Ethereum funds also lost $156 million. Bitcoin's price fell 1.7% to $77,189, marking a 7.3% decline for October.

Original reporting
finance.yahoo.com
Published Oct 31, 2026, 11:29 AM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Oct 31, 2026, 11:45 AM UTC. Informational, not investment advice.
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Investors Pull $643 Million From Bitcoin ETFs After the Biggest Crypto Hack in History — source image
Source · finance.yahoo.com
Decision brief

The 30-second read

$BTC-USDBearishMed
01

Why it matters

The outflows reflect heightened risk aversion in the crypto sector and could trigger short‑term price declines for BTC and ETH.

02

Market read

First‑day reporting of sizable ETF withdrawals after a major hack, indicating immediate market reaction.

03

What to watch

Potential regulatory scrutiny following the hack could further affect crypto asset flows.

Relevance 7/10Novelty 7/10Timing: today

Background

The article follows a major security breach at Binance that saw $6.3 billion stolen, prompting investors to pull cash from Bitcoin and Ethereum ETFs.

Company-level read

Ticker impact

$BTC-USDBearishHigh confidence
Context

Investors withdrew $643.33 million from US spot Bitcoin ETFs on Oct 30, indicating fresh selling pressure on Bitcoin.

Expected impact

downward pressure as investors redeem ETF shares for cash or Bitcoin.

Evidence & confidence

The $643 M outflow is the biggest single‑day withdrawal since the Binance hack, likely prompting short‑term price declines.

$ETH-USDBearishHigh confidence
Context

Ethereum‑linked ETFs lost $156 million on the same day, marking a fifth consecutive day of outflows.

Expected impact

downward pressure on Ethereum as ETF redemptions increase supply on the spot market.

Evidence & confidence

Multi‑day outflow trend amplifies bearish bias for ETH.

Market effects

Sector

Spot crypto ETF outflows may pressure broader crypto‑related equities and mining stocks.

Regional

US investors' redeems could affect global Bitcoin liquidity, especially on Asian exchanges.

Global

The Binance hack and subsequent ETF withdrawals highlight systemic risk in crypto markets worldwide.

Counterpoint

What could challenge this read

Some traders may view the pull‑back as a buying opportunity if they expect a rebound after the panic subsides.

Key entities

  • exchange
    Binance

    World's largest crypto exchange, victim of a $6.3 billion hack.

  • ETF
    iShares Bitcoin Trust (IBIT)

    Largest US spot Bitcoin ETF, lost about $234 million in the outflow.

Read at source← All news

StoryU.S. spot Bitcoin ETFs see $643 million net outflows on Oct. 30, led by BlackRock’s IBIT

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