gann swing indicator

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I wonder if anyone has coded this in MQL4 yet? Thanks.

GANN - Swing

Us:=BarsSince((H > Ref(H,-1)) AND (Ref(H,-1) >
Ref(H,-2)));
Ds:=BarsSince((L < Ref(L,-1)) AND (Ref(L,-1)<
Ref(L,-2)));
Sd1:=If(Us=0,
{then}If(Ref(L,-1)<>LowestSince(1,Ds=0,L),
{then}1,
{else}0),
{else}If(Ds=0,
{then}If(Ref(H,-1)<>
HighestSince(1,Us=0,H),
{then}-1,
{else}0),
{else}0));
Sd2:=If(Sd1=1,
{then} If(Ref(BarsSince(Sd1=1),-1) >
Ref(BarsSince(Sd1=-1),-1),
{then}1,
{else}0),
{else} If(Sd1=-1,
{then}If(Ref(BarsSince(Sd1=1),-1) <
Ref(BarsSince(Sd1=-1),-1),
{then}-1,
{else}0),
{else}0));
TD1:=ValueWhen(1,Sd2<>0,Sd2);
Td1;



GANN - Trend

Sd:= FmlVar("GANN - Swing","TD1") ;
{Swing Change High}
Sch:=If(Sd=1 AND Ref(sd,-1)=-1,
{then}1,
{else}0);
{Swing Change Low}
Scl:=If(Sd=-1 AND Ref(Sd,-1)=1,
{then}1,
{else}0);
{Peak Value}
Pv:=If(Scl=1,
{then}HighestSince(1,Sch=1,H),
{else}0);
{Trough Value}
Tv:=If(Sch=1,
{then}LowestSince(1,Scl=1,L),
{else}0);
{Trend Direction}
Td:=If(H>ValueWhen(1,Pv>0,Pv),
{then}1,
{else}If(L<ValueWhen(1,Tv>0,Tv),
{then}-1,
{else}0));
{UpTrend=1 DownTrend =-1}
Tdv:=ValueWhen(1,Td<>0,Td);
Tdv

[mechanical]

GANN swing indicator

I would agree.

We hope the MQL4 in the code you want.

Thank you.