成本趋势主图公式

{MA成本A36   公式描述: 成本趋势}
a:=(3*c+l+o+h)/6;
 X:(20*a+19*ref(a,1)+18*ref(a,2)+17*ref(a,3)+16*ref(a,4)+15*ref(a,5)+
 14*ref(a,6)+13*ref(a,7)+12*ref(a,8)+11*ref(a,9)+10*ref(a,10)+9*ref(a,11)+8*ref(a,12)
 +7*ref(a,13)+6*ref(a,14)+5*ref(a,15)+4*ref(a,16)+3*ref(a,17)+2*ref(a,18)+
 ref(a,20))/210,COLORMAGENTA,linethick2,pointdot;
 Y:MA(X,15),COLORWHITE,linethick2,pointdot;
 Var4:=(2*CLOSE+HIGH+LOW)/4;
成本区:EMA(Var4,90)*0.995,COLORGREEN,circledot;
操作区:EMA(Var4,142)*0.998,COLORRED,linethick2;
铁底区:EMA(Var4,250)*0.885,COLORYELLOW,linethick2;