趋势通道指标公式源码 三日势:EMA(CLOSE,3),coloryellow; 道:EMA(CLOSE,21),colorwhite; 老阳:道+P*道,colorred; 少阳:道+N*道,colorlimagenta; 少阴:道-N*道,colorligreen; 老阴:道-P*道,colorgreen; TIPTEXT(ISNULL(REFX(CLOSE,1)),0,' '),colorred; TIPTEXT(ISNULL(REF(CLOSE,1)),0,'');