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'Black Monday' Fears Rise as Prediction Markets Downplay 2026 Crash Odds

Wall Street's worst weekly selloff since January and a spike in the VIX have fueled 'Black Monday' crash fears ahead of October 19, even as prediction markets

October 18, 2026Source: finbold.com ↗

Concerns about a potential 'Black Monday' crash are intensifying ahead of Monday, October 19, as Wall Street reels from an AI-led sell-off, rising oil prices, and renewed inflation concerns.

The latest turmoil has heightened concerns about a broader stock market crash in 2026. On Friday, the Nasdaq Composite fell 2.19%, the S&P 500 lost 1.22%, and the Dow Jones Industrial Average declined 0.55%, according to Reuters.

  • The Nasdaq Composite ended the week down more than 4%.
  • The S&P 500 recorded its worst weekly performance since January.
  • The Cboe Volatility Index (VIX), Wall Street's main fear gauge, surged nearly 25% to 20.57, its highest level since late July.

The VIX is widely used as a measure of expected volatility in the S&P 500 over the next 30 days, and a sharp rise typically signals increased investor anxiety about near-term market swings.

The sell-off reflects mounting concerns among investors, even as prediction markets have so far shown little indication of expecting a crash in 2026.

Source

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