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[Probability of the Federal Reserve keeping interest rates unchanged rises to 66%, crypto market experiences short-term plunge] Polymarket data shows that the probability of the Federal Reserve keeping interest rates unchanged in December has risen to 66%, with total trading volume in this market reaching $119 million. Market data indicates that BTC briefly fell below $89,000, ETH dropped below $1,900, and $163 million was liquidated across the network in the past hour, primarily from long positions.