A:=(HIGH+LOW+CLOSE)/3; DIF:=EMA(CLOSE,8)-EMA(CLOSE,22); DEA:=EMA(DIF,7); 买点:=CROSS(DIF>DEA,0.5); 烂尾楼买点:买点 AND (REF(BARSLAST(买点),1)>3 OR BARSSINCE(买点 )=0),COLORYELLOW;
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