[Probability of 'Bitcoin reaching $100,000 in January' on Polymarket drops to 21%] BlockBeats News, January 20, the probability of 'Bitcoin reaching $100,000 in January' on Polymarket has dropped to 21%. Additionally, the probability of it reaching $105,000 is 7%, dropping to $85,000 is 18%, and dropping to $80,000 is 6%.