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Bitcoin analysis: Bitcoin fell below 63,000 yesterday, and rebounded from today's low of 60,800. It fluctuated sideways at a small level. In terms of operation, you can do low long and high short around this range. The hourly Bollinger Bands opened downward. The current price is near the lower track support of the moving average. The lower track of the moving average is not suitable for shorting, but short shorting near the middle track of the moving average is OK. Ethereum has a head and shoulders top pattern at the 4-hour level. The right shoulder is currently forming. The upper pressure is 3035, and the lower support is 2890. The 4-hour moving average extends downward. The current price is also running near the lower track support of the moving average. Short-term long near 2940, short near 3030. The risk that needs to be paid attention to at the large level is that if the big cake continues to fall and the entity falls below 59,500, you must be careful to go to the 54,000 line. At that time, pay attention to the key support of Ethereum 2810. Once it is lost, there is a risk of falling to 2380. Only when Ethereum stands on 3200 again, the bulls will have hope. Before there is a clear right signal, respond with a light position. It is not too late to cover the position when the right signal appears.