$BTC on the 4-hour level K-line chart, the price closed with two bullish candles, briefly touching the upper Bollinger Band before encountering resistance and falling back, ultimately closing with a bearish candle and breaking below the middle band support. The current market is undergoing a rebound, trying to regain the middle band position.

Bitcoin: Buy around 117600-118100, short-term target 120500

Ethereum: Buy around 3790-3770, short-term target 3880