Bitcoin whales sold over 20,000 BTC, worth $1.28 billion over the past 24 hours.BTC's price could decline by 10% to the $57,300 level if it closes its daily candle above $66,000 level.BTC appears bearish, likely due to the $1.28 billion asset dump and the bearish double-top price action pattern.On-chain metrics support the negative outlook, with a bearish market sentiment among traders.