以下是主力挖沟主图选股公式幅图
为何叫“主力挖沟”？其一 区分前期“主力挖坑”指标。其二 沟相对坑要浅点。
汇报思路：取K线小阴小阳围绕五日均线短期上串下跳，我视为主力开始建仓，然后开始挖沟洗盘，恐吓散户，直到某一天突破前期建仓最高价出信号。因为建仓 洗盘时间较短，突破价如股票放在建仓位置那么文字太多干扰画线，所以 突破价我放到了窗口位置。
{主图}
M5:MA(C,5),COLORMAGENTA;
ZF:=(C-REF(C,1))/REF(C,1)*100;
A:=IF(C>O,ZF,1);
TJ:=EVERY(RANGE(A,0,4),3);
T:=BARSLAST(COUNT(CROSS(C,MA(C,5)),3)=2 AND CROSS(C,MA(C,5)) AND TJ);
XG:=REF(EVERY(H<REF(H,T),T),1) AND CROSS(C,REF(H,T));
突破价:REF(H,T) NODRAW;
STICKLINE(T>=0,REF(H,T),REF(H,T),4,-1),COLORGREEN;
STICKLINE(CROSS(XG=1,0.5),C,O,2,0),COLORBROWN;
STICKLINE(CROSS(XG=1,0.5),H,L,0,0),COLORBROWN;
DRAWICON(CROSS(XG=1,0.5),L*0.95,11);
{幅图}
ZF:=(C-REF(C,1))/REF(C,1)*100;
A:=IF(C>O,ZF,1);
TJ:=EVERY(RANGE(A,0,4),3);
T:=BARSLAST(COUNT(CROSS(C,MA(C,5)),3)=2 AND CROSS(C,MA(C,5)) AND TJ);
XG:=REF(EVERY(H<REF(H,T),T),1) AND CROSS(C,REF(H,T));
STICKLINE(CROSS(XG=1,0.5),0,8,1.8,0),COLORBROWN;
{选股}
ZF:=(C-REF(C,1))/REF(C,1)*100;
A:=IF(C>O,ZF,1);
TJ:=EVERY(RANGE(A,0,4),3);
T:=BARSLAST(COUNT(CROSS(C,MA(C,5)),3)=2 AND CROSS(C,MA(C,5)) AND TJ);
XG:=REF(EVERY(H<REF(H,T),T),1) AND CROSS(C,REF(H,T));
CROSS(XG=1,0.5);
