MA21:MA (CLOSE,21),COLOR00FF00;
MA30:MA(CLOSE,30),COLOR0000FF;
买线:=EMA (C,2);
卖线:=EMA(SLOPE(C,21)*20+C,42);
BUY1:=CROSS(买线,卖线);
SEL:=CROSS(卖线,买线);DRAWTEXT(BUY1,LOW*0.95,'B'),COLORWHITE,LINETHICK5;
DRAWTEXT (SEL,HIGH*1.05,'S'),COLORWHITE,LINETHICK5;
STICKLINE(买线>=卖线,LOW,HIGH,0.1,0),COLORYELLOW;
STICKLINE(买线>=卖线,CLOSE,OPEN,3,3),COLORYELLOW;
STICKLINE(买线<卖线,CLOSE,OPEN,3,3),COLORGREEN;
STICKLINE(买线<卖线,LOW,HIGH,0.1,0),COLORGREEN;
STICKLINE(CROSS(买线,卖线) OR CROSS(卖线,买线),OPEN,CLOSE,2.5,0),COLORWHITE;
主力多空:=C;
V1:=DMA((((HIGH + LOW) + (CLOSE * 2)) / 4),0.9);
HY1:=REF(EMA(V1,3),1);
多空趋势:=MA((CLOSE - HY1) * 10,2);
操盘:STICKLINE(多空趋势>=0 AND 多空趋势>=REF(多空趋势,1),0,多空趋势,3,3),COLORYELLOW;
减仓:STICKLINE(多空趋势>=0 AND 多空趋势< REF(多空趋势,1),0,多空趋势,3,3),COLORYELLOW;
反弹:STICKLINE(多空趋势<0 AND 多空趋势>=REF(多空趋势,1),0,多空趋势,3,3),COLORGREEN;
寻底:STICKLINE(多空趋势<0 AND 多空趋势< REF(多空趋势,1),0,多空趋势,3,3),COLORGREEN;
简要说明：用法同MACD，底背离买入，顶背离卖出
通达信机构资金流指标公式的选股公式如下：
