What do we see from the 4-hour candlestick chart and volume for BTC? (1) The bears are absolutely dominant to relatively dominant, while the bulls are on the defensive, with the bears controlling the market. (2) The bearish volume is stronger than the bullish volume, but both have shrunk in the last two days. (3) The price has fallen to 72-73K, and the trading volume has shrunk to a very low level, indicating that the price is struggling to fall further. There will be a rebound around 73K, with a high of around 76K. After the rebound, there will be another sharp drop to test the bottom.