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The Finance Base
Bitcoin

Bitcoin’s October 2025 Selloff: What the $600 Billion Market-Cap Drop Meant

The October 2025 headline described a reported crypto market-cap decline, not $600 billion in cash withdrawals. Bitcoin later fell from an October high near $126,000 to below $60,000 in June 2026, according to an SEC filing.

By TheFinanceBase Team 2 min read
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The headline “Bitcoin Suddenly Goes Into Free Fall as Price Crash Panic Wipes Out $600 Billion” referred to a selloff reported on October 17, 2025—not a new October 2026 event. The roughly $600 billion figure described a reported decline in crypto market capitalization, not $600 billion in cash withdrawals or investors’ realized losses. Bitcoin’s decline continued after that headline: a 2026 SEC filing recorded a price near $126,000 in October 2025 and below $60,000 in June 2026.

What the $600 billion figure means

Forbes reported the October 17, 2025 selloff with a headline saying about $600 billion had been wiped out. The figure is an attributed estimate of a fall in crypto market capitalization. Market capitalization is calculated from asset prices and supply; when prices fall, the calculated value of holdings falls too. That does not mean an equivalent amount of cash left exchanges or that investors collectively sold and realized that amount in losses. The underlying Forbes story was represented in a Ground News headline summary, and the estimate’s calculation and exact measurement window are not independently established here. Ground News

How Bitcoin’s price changed after the headline

The October 17 headline captured one moment in a longer period of volatility. A Bitwise Bitcoin ETF Trust SEC filing for the period ended June 30, 2026, records Bitcoin reaching approximately $126,000 in October 2025 and falling below $60,000 in June 2026—a drawdown of more than 50% from that high. These are dated figures from the filing, not a live quote or a statement of Bitcoin’s price today. SEC filing

What caused Bitcoin to fall?

The available evidence does not establish one definitive trigger for the precise selloff behind the $600 billion headline. An SEC filing discusses trade tensions, liquidations and exchange disruptions around an October 2025 flash crash, but those details should not automatically be treated as the cause of the distinct episode and reporting window in the Forbes headline. SEC filing

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The same filing describes broader structural risks: Bitcoin trading venues may not have safeguards common on traditional exchanges, leaving prices more exposed to large or frequent sudden declines. That is useful context for understanding how sharp moves can occur, not proof of what triggered this particular drop. A 2026 academic paper examines how geopolitical, regulatory, macroeconomic and market-specific events relate to cryptoasset returns and variation; its stated scope supports a multi-factor framing, but does not establish a specific cause for this episode. SEC-filed prospectus 2026 academic paper record

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How to read dramatic crypto crash headlines

  • Check the date. The headline was published October 17, 2025; it should not be read as a current market alert.
  • Separate market value from cash flows. A market-cap decline estimates a change in the market value of assets, not the amount of money withdrawn or realized as losses.
  • Keep causal claims proportional to evidence. Volatility can reflect several interacting market and outside factors, but the cited materials do not identify a single definitive trigger for this headline’s selloff.
  • Use dated price figures. The approximately $126,000 high and below-$60,000 June 2026 figure come from an SEC filing and describe those periods, not the current price.

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