通达信抄底买入卖出指标公式：

上线:=SMA(C,6.5,1);  
下线:=SMA(C,13.5,1);  
STICKLINE(上线>下线 , 上线,下线 ,2.5, 0),COLORRED,LINETHICK2;  
STICKLINE(下线>上线,上线,下线,2.5,0),COLORYELLOW,LINETHICK2;  
DRAWTEXT( CROSS(上线,下线),LOW *0.98,'☆买入' ),COLOR00FF00;  
DRAWTEXT(CROSS(下线,上线),H*1.02,'☆卖出'),COLORMAGENTA;  
BBI:=(MA(CLOSE,3)+MA(CLOSE,6)+MA(CLOSE,12)+MA(CLOSE,24))/4;   
UPR:BBI+3*STD(BBI,13),LINETHICK2;   
DWN:BBI-3*STD(BBI,13);   
安全:MA(CLOSE,60),LINETHICK2;  
LC:=REF(CLOSE,1);   
RSI:=SMA(MAX(CLOSE-LC,0),6,1)/SMA(ABS(CLOSE-LC),6,1)*100;   
DRAWTEXT( CROSS(82,RSI) , HIGH*1.02,'卖出') ,COLORFF9966,LINETHICK2;  
A7:=(2*C+H+L)/4;   
VAR1:=LLV(LOW,34);   
VAR2:=HHV(HIGH,34);   
SK:=EMA((A7-VAR1)/(VAR2-VAR1)*100,7);   
SD:=EMA(0.667*REF(SK,1)+0.333*SK,5);   
DRAWTEXT(IF(COUNT(CLOSE<REF(CLOSE,1),8)/8>6/10 AND VOL>=1.5*MA(VOL,5) AND   
COUNT(SK>=SD,3) AND REF(LOW,1)=LLV(LOW,120),1,0),LOW*0.98,'买进') ,COLOR0099FF;   
DRAWTEXT(IF(COUNT(CLOSE<REF(CLOSE,1),13)/13>6/10 AND   
COUNT(SK>SD,6) AND REF(LOW,5)=LLV(LOW,120) AND REF(CLOSE>=OPEN,4) AND   
REF(CLOSE>OPEN,3) AND REF(CLOSE>OPEN,2) AND  REF(OPEN>CLOSE,1) AND   
OPEN>REF(CLOSE,1),1,0),LOW*0.98,'买进') ,COLORYELLOW;   
D:=MA(CLOSE,80)-MA(CLOSE,10)/3;   
DRAWTEXT(IF(CLOSE<D AND VOL/240>MA(VOL,5)/240 AND CLOSE>REF(CLOSE,1)*1.08   
AND CLOSE<MA(CLOSE,13)*1.3,1,0),LOW*0.98,'抄底'),COLORYELLOW;   

通达信抄底买入卖出指标公式实例图解：

通达信抄底买入卖出指标公式