Trend Kanalı Turtle Trader Bands

BandType:=Input("Band type (Choose 1 for Longs, 2 for Shorts): ",1,2,1);
Periods:=Input("Lookback periods: ",2,1000,20);
HalfPeriods:=periods/2;

If(bandtype=1,Ref(HHV(H,periods),-1),
If(bandtype=2,Ref(LLV(L,periods),-1),0));

If(bandtype=1,Ref(LLV(L,halfperiods),-1),
If(bandtype=2,Ref(HHV(H,halfperiods),-1),0));
kaynak :
metastock

Kıvanç Özbilgiç @kivancozbilgic yorumu
pd:=Input("Period",1,500,20);
Sd:=Input("EXIT Period",1,500,10);
UP:=HHV(H,PD);
DN:=LLV(L,PD);
SP:=HHV(H,SD);
SN:=LLV(L,SD);
UP;
DN;
SP;
SN