John F. Ehlers' article, “Predictive Indicators for Effective Trading Strategies”, presented an three new indicators. The formulas for these indicators are listed below:

SuperSmoother Filter:

a1:= Exp(-1.414 * 3.14159 / 10);

b1:= 2*a1 * Cos(1.414*180 /10);

c2:= b1;

c3:= -a1 * a1;

c1:= 1 - c2 - c3;

c1 * (C + Ref(C, -1))/2 + c2*PREV + c3*Ref(PREV,-1)

Roofing Filter:

alpha1:= (Cos(.707*360/48) + Sin(.707*360/48)

-1)/Cos(.707*360/48);

HP:= (1-alpha1/2)*(1-alpha1/2)*(C - Ref(2*C,-1) + Ref(C,-2))

+ 2*(1-alpha1)*PREV - (1-alpha1)*(1-alpha1)*Ref(PREV,-1);

a1:= Exp(-1.414 * 3.14159 / 10);

b1:= 2*a1 * Cos(1.414*180 /10);

c2:= b1;

c3:= -a1 * a1;

c1:= 1 - c2 - c3;

c1 * (HP + Ref(HP, -1))/2 + c2*PREV + c3*Ref(PREV,-1)

MESA Stochastic:

alpha1:= (Cos(.707*360/48) + Sin(.707*360/48)

-1)/Cos(.707*360/48);

HP:= (1-alpha1/2)*(1-alpha1/2)*(C - Ref(2*C,-1) + Ref(C,-2))

+ 2*(1-alpha1)*PREV - (1-alpha1)*(1-alpha1)*Ref(PREV,-1);

a1:= Exp(-1.414 * 3.14159 / 10);

b1:= 2*a1 * Cos(1.414*180 /10);

c2:= b1;

c3:= -a1 * a1;

c1:= 1 - c2 - c3;

filt:= c1 * (HP + Ref(HP, -1))/2 + c2*PREV + c3*Ref(PREV,-1);

stoc:= (filt-LLV(filt,20))/(HHV(filt,20)-LLV(filt,20));

c1 * (stoc + Ref(stoc, -1))/2 + c2*PREV + c3*Ref(PREV,-1)

Edited by user Wednesday, August 23, 2017 5:48:35 PM(UTC)  | Reason: Not specified