Bitcoin analysis BTC 1: The market share of Da Bing has been rising for 3 and a half years, and its cost-effectiveness is not high. Strong imitations have better cost-effectiveness 2: Low weekend liquidity, 107200105100 can still be long, waiting for confirmation from head and shoulders, 108600109500, resistance level can be short 3: A small level appears with an upward wedge, a contraction rebound, and a downward relay pattern, waiting for a wave of breakthrough to accelerate the downward trend