蓝线上方，黄线金叉红线买入，死叉卖出。
铜线:EMA(CLOSE,6),COLOR00FFFF,LINETHICK2;
银线:EMA(EMA(EMA(EMA(CLOSE,3),3),3),3),LINETHICK2,COLORRED;
JL01:=MA(C,3);
LJL07:=(3*C+L+O+H)/6;
金线:(20*LJL07+19*REF(LJL07,1)+18*REF(LJL07,2)+17*REF(LJL07,3)+16*REF(LJL07,4)+15*REF(LJL07,5)+14*REF(LJL07,6)+13*REF(LJL07,7)+12*REF(LJL07,8)+11*REF(LJL07,9)+10*REF(LJL07,10)+9*REF(LJL07,11)+8*REF(LJL07,12)+7*REF(LJL07,13)+6*REF(LJL07,14)+5*REF(LJL07,15)+4*REF(LJL07,16)+3*REF(LJL07,17)+2*REF(LJL07,18)+REF(LJL07,20))/210,COLORBLUE,LINETHICK3;
ANGEL:EMA(C,2),COLOR000000;DEVIL:EMA(SLOPE(C,21)*20+C,42),POINTDOT,COLOR000000;BUY:=CROSS(ANGEL,DEVIL);SEL:=CROSS(DEVIL,ANGEL);DRAWTEXT(BUY,LOW*0.99,'买'),COLORF00FF0,LINETHICK5;
