$BTC 4 Hour K-line chart analysis: Current Bitcoin 90349.9, down 1.13% from the previous period, with a net outflow of 6.72 million; market sentiment is cautious. Recently, Bitcoin has been fluctuating widely in the range of 83786-94185, currently in a consolidation phase after a pullback. The Bollinger Bands show the price slightly above the middle band (90006.7), with the upper band at 91629 as short-term resistance and the lower band at 88384 and the recent low of 88890 providing support. The K-line shows more bearish candles than bullish, with weak rebound strength, and trading volume has shrunk compared to the previous period. The short-term outlook is cautious, and if it stabilizes above the middle band or breaks above the upper band, there may be a rebound opportunity; breaking below support may lead to a test of previous lows. $ETH #中美贸易谈判