The four-hour level market presents a clear bullish offensive rhythm: prices have broken through the key position of the Bollinger Band's middle track in a stepwise manner. Short-term pullback risks need to be closely monitored. The fast and slow lines are opening upwards and the red bars are gradually increasing in volume, indicating a continuous strengthening of bullish momentum; the K-line is steadily climbing along the upper track of the Bollinger Band, with a clear short-term upward trend, and the overall pattern leans towards bullish. Bitcoin 112000 bullish, looking at 115000$BTC $ETH $SOL