BTC(20250327) market analysis and operationYesterday, the small level broke through the previous low and then rebounded. Today, pay attention to 87000 points. If the 4-hour level can stand above this point, the correction will end and the market will continue to rise. Pay attention to the upper pressure levels near 88500, 90045 and 91250. If the 4-hour level falls below 87150 and cannot be recovered, the small rebound will be weak, and there is a high probability of sideways or retracement at a small level. Pay attention to the lower support levels near 86370, 85530 and 84775.