投资趋势线 通达信主图公式 源码分享，适用A股和期货

NN:=-3;

MID:=(3*C+O+L+H)/6;

JCCSN:=5;

FSCS:=IFF((PERIOD+NN)==3,JCCSN*13,IFF((PERIOD+NN)==2,JCCSN*26,IFF((PERIOD+NN)==1,JCCSN*52,IFF((PERIOD+NN)==0,JCCSN*156,DRAWNULL))));

商品趋势线:WMA(MID,FSCS),COLORRED,LINETHICK2;

多头趋势:IFF(商品趋势线>REF(商品趋势线,1),商品趋势线,DRAWNULL),COLORRED,LINETHICK2;

空头趋势:IFF(商品趋势线<REF(商品趋势线,1),商品趋势线,DRAWNULL),COLORFFFF00,LINETHICK2;

小周期锁定:=IFF((PERIOD+NN)==0 OR (PERIOD+NN)==1 OR (PERIOD+NN)==2 OR (PERIOD+NN)==3,1,0); 

仅限5至60分钟使用:IFF(小周期锁定==0,1,DRAWNULL),NODRAW,COLORWHITE;