Dear All,
I am new to AB. Would someone please show me how to
add the code for a Buy or Sell signal based on the value of 1 or
-1 in following formula.
Thanks in advance.
Tim
//Dunn-Type1
//==========
TD1 = IIf( BarsSince( H >
Ref( H, -1 ) AND L > Ref( L, -1 ) ) <
BarsSince( L < Ref( L, -1 ) AND H
< Ref( H, -1 ) ), 1, -1 );
//Dunn-Type2
//==========
TD2 =
IIf( BarsSince( ( H > Ref( H, -1 ) AND L > Ref( L, -1 ) ) AND
( Ref( H, -1 ) >
Ref( H, -2 ) AND Ref( L, -1 ) > Ref( L, -2 ) ) )
<
BarsSince(
( L < Ref( L, -1 ) AND H < Ref( H, -1 ) ) AND
( Ref( L, -1 ) < Ref( L,
-2 ) AND Ref( H, -1 ) < Ref( H, -2 ) ) ), 1, -1 );
// Ask to use 1 Day
OR 2 Day Swing type}
St = Param( "Short Term Swing Type, 1 or 2 ?", 2, 1, 2,
1 );
//{Call Swing Type Formula}
Sd = IIf( St == 1, TD1, TD2
);
//{Number Of Periods Since Swing Started Up}
Hc = BarsSince( SD =
-1 );
//{Number Of Periods Since Swing Started Down}
Lc = BarsSince(
SD = 1 );
//{Find Highest Value Of Up Swing}
Hv = IIf( Hc > Lc AND
H > Ref( H, -1 ), HighestSince( Hc = 1, H, 1 ) , 0 );
//{Find Lowest
Value Of Down Swing}
Lv = IIf( Hc < Lc AND L < Ref( L, -1 ),
LowestSince( Lc = 1, L, 1 ) , 0 );
//{Find The Low Of The Highest
High}
Hlv = ValueWhen( H = Hv, L, 1 ) ;
//{Find The High Of The Lowest
Low}
Lhv = ValueWhen( L = Lv, H, 1 ) ;
//{Calculate AND Plot Trend
Direction,
//Note: 1= Uptrend,
//-1= Downtrend}
TD3 = IIf( Sd = 1
AND H > Lhv, 1, IIf( Sd = -1 AND L < Hlv, -1, 0 ) );
TD4 = ValueWhen(
TD2 != 0, TD2, 1 );
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