铁底指标（源码 副图 通达信）与MACD配合，相当准确
源码：
ZYX1:= DMI.PDI (12,6);
ZYX2:= DMI.MDI (12,6);
ZYX3:=ZYX1 65 AND ZYX1 REF(ZYX1,1);
ZYX4:=LLV(ZYX1,0);
ZYX5:=BARSLAST(ZYX4=ZYX1);
ZYX6:=(0-REF(ZYX2,4))/(ZYX4-REF(ZYX2,ZYX5))
ZYX7:=ZYX1 REF(ZYX1,1);
ZYX8:=VOL 2*MA(VOL,30);
ZYX9:= DMI.ADX (12,6);
ZYXA:= DMI.ADXR (12,6);
ZYXB:=CLOSE MA(CLOSE,30) AND CLOSE MA(CLOSE,30)*1.04;
ZYXC:=MA(CLOSE,30) REF(MA(CLOSE,30),1);
ZYXD:=BARSLAST(CROSS(MA(CLOSE,5),MA(CLOSE,10))) BARSLAST(CROSS(MA(CLOSE,10),MA(CLOSE,5)));
{ZYXE:=0- MACD.DIFF (7,21,3);}
ZYXF:=TROUGHBARS(3,15,1)
ZYX10:=EMA(CLOSE,30) REF(EMA(CLOSE,30),2);
ZYX11:=IF(ZYXF=1,50,0);
ZYX12:=CROSS(ZYX2,ZYX1) AND CROSS(ZYXA,ZYX9);
ZYX13:=CROSS(ZYX2,ZYX1) AND CROSS(ZYX9,ZYXA);
ZYX14:=ZYXB AND ZYXC AND ZYXD AND ZYX10 AND ZYX6 AND ZYX7 AND ZYX8*50;
ZYX15:=BARSLAST(CROSS(ZYX2,ZYX1)=1);
ZYX16:=BARSLAST(CROSS(ZYX1,ZYX2)=1);
ZYX17:=HHV(ZYX1,ZYX16);
ZYX18:=BARSLAST(ZYX1=ZYX17);
多空:EMA((CLOSE-MA((2*CLOSE+HIGH+LOW)/4,30))/MA((2*CLOSE+HIGH+LOW) /4,30)*100,3),COLORWHITE;
0,COLORRED;
STICKLINE(FILTER(ZYXF=1,5) AND 多空 -10,50,0,10,0),COLORRED;
STICKLINE(FILTER(ZYXF=1,5),50,0,10,0),COLORRED;
ZYX19:=ZYX3 OR ZYX12 OR ZYX13*100;
ZYX1A:=ZYX13*100;
DRAWICON(FILTER(ZYXF=1,3),80,1);
DRAWTEXT(FILTER(ZYXF=1,3),60,'铁底'),COLORYELLOW;
STICKLINE(多空 -10,0,多空,1,0),COLORYELLOW;
STICKLINE(多空 10,0,多空,1,0),COLORYELLOW;
