捣底擒牛 抄底做波段的好指标

{用法：
1.零轴以下柱体由红转黄，买入；
2.零轴以上柱体由绿转红，买入；
3.做多线上穿零轴，并且MA多头排列，买入。}

零轴线:0,COLORYELLOW,LINETHICK3;
A1:=EMA(EMA(CLOSE,7),2)-EMA(EMA(CLOSE,21),2);
B1:=EMA((0.668*REF(A1,1)+0.333*A1),1);
短线做多:IF(A1>=B1,A1,B1),LINETHICK3,COLORFF00FF;
短线做空:B1,LINETHICK2,COLORFFAA00;
STICKLINE(B1<0 AND B1<REF(B1,1),B1*0.7,0,0.05,0),COLORRED;
STICKLINE(B1<0 AND B1>REF(B1,1),B1*0.7,0,0.05,0),COLORYELLOW;
STICKLINE(B1>REF(B1,1) AND B1>0,B1*0.7,0,0.05,0),COLORRED;
STICKLINE(B1<REF(B1,1) AND B1>0,B1*0.7,0,0.05,0),COLORGREEN;
LC:=REF(CLOSE,1);
RSI1:=SMA(MAX(CLOSE-LC,0),2,1)/SMA(ABS(CLOSE-LC),2,1)*100;
RSI2:=SMA(MAX(CLOSE-LC,0),3,1)/SMA(ABS(CLOSE-LC),3,1)*100;
RSI3:=SMA(MAX(CLOSE-LC,0),4,1)/SMA(ABS(CLOSE-LC),4,1)*100;
RSI4:=SMA(MAX(CLOSE-LC,0),5,1)/SMA(ABS(CLOSE-LC),5,1)*100;
RSI5:=SMA(MAX(CLOSE-LC,0),6,1)/SMA(ABS(CLOSE-LC),6,1)*100;
RSI6:=SMA(MAX(CLOSE-LC,0),7,1)/SMA(ABS(CLOSE-LC),7,1)*100;
RSI7:=SMA(MAX(CLOSE-LC,0),8,1)/SMA(ABS(CLOSE-LC),8,1)*100;
RSI8:=SMA(MAX(CLOSE-LC,0),9,1)/SMA(ABS(CLOSE-LC),9,1)*100;
RSI9:=SMA(MAX(CLOSE-LC,0),10,1)/SMA(ABS(CLOSE-LC),10,1)*100;
RSI10:=SMA(MAX(CLOSE-LC,0),11,1)/SMA(ABS(CLOSE-LC),11,1)*100;
RSI11:=SMA(MAX(CLOSE-LC,0),12,1)/SMA(ABS(CLOSE-LC),12,1)*100;
RSI12:=SMA(MAX(CLOSE-LC,0),13,1)/SMA(ABS(CLOSE-LC),13,1)*100;
RSI13:=SMA(MAX(CLOSE-LC,0),14,1)/SMA(ABS(CLOSE-LC),14,1)*100;
RSI14:=SMA(MAX(CLOSE-LC,0),15,1)/SMA(ABS(CLOSE-LC),15,1)*100;
RSI15:=SMA(MAX(CLOSE-LC,0),16,1)/SMA(ABS(CLOSE-LC),16,1)*100;
RSI16:=SMA(MAX(CLOSE-LC,0),17,1)/SMA(ABS(CLOSE-LC),17,1)*100;
RSI17:=SMA(MAX(CLOSE-LC,0),18,1)/SMA(ABS(CLOSE-LC),18,1)*100;
RSI18:=SMA(MAX(CLOSE-LC,0),19,1)/SMA(ABS(CLOSE-LC),19,1)*100;
RSI19:=SMA(MAX(CLOSE-LC,0),20,1)/SMA(ABS(CLOSE-LC),20,1)*100;
RSI21:=SMA(MAX(CLOSE-LC,0),21,1)/SMA(ABS(CLOSE-LC),21,1)*100;
短线RSI:=(RSI1+RSI2+RSI3+RSI4+RSI5)/5,COLORWHITE;
中线RSI:=(RSI6+ RSI7+ RSI8+ RSI9+ RSI10+ RSI11+ RSI12+ RSI13+ RSI14+ RSI15+ RSI16+ RSI17+ RSI18+ RSI19+ RSI21)/15,COLORYELLOW;
A:=CROSS(短线RSI,中线RSI);
B:=CROSS(中线RSI,短线RSI);