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Hello all
I am looking at the code that TJ provided in AmiBroker S&C Traders' Tips monthly. Issue 1/2008.
I have applied it to some charts and it seems that the trailing stop "TL" in the code which appears to be correct does not plot as shown in the example. I get a horizontal line above the channel and price data in every case.
Can anyone see what could be the issue in the code below?
//PROFIT LOCKING AND THE RELATIVE PRICE CHANNEL
//"Profit Locking and The Relative Price Channel" article
//AmiBroker S&C Traders' Tips monthly. Issue 1/2008
//http://www.amibroker.com/members/traders/01-2008.html
//http://www.traders.com/documentation/FEEDbk_docs/2008/01/TradersTips/TradersTips.html#amibroker
dt = ParamDate("Date of the trend", "2008-11-20" );
Value1 = Param("Bearish Periods", 21, 3, 55 );
Value2 = Param("Multiplication Factor", 3.8, 1, 10 );
Value3 = Param("Initial Stop", 19, 0, 1e6 );
Value4 = Param("Channel Periods", 21, 3, 55 ); // Channel Periods
Value5 = Param("Overbought region", 75, 1, 100 ); // Overbought region
Value6 = Param("Channel Smoothing", 1, 1, 10 );
HoldingDays = BarsSince( DateNum() < dt );
Index = RSI( Value4 );
OB = EMA( Index - Value5, Value6 );
Bullish = Close - ( Close * OB/100 );
Bearish = Sum( abs( Low - Ref( Low, -1 ) ), Value1 ) / Value1;
RangeA = Sum( Close - Low, Value1 ) / Value1;
Stop = Close - ( ( Bearish + RangeA ) * Value2 );
TL = Null;
for( i = 1; i < BarCount; i++ )
{
Prev = TL[ i - 1 ];
Cond1 = Stop[ i ] > Prev;
TL[ i ] = IIf( Cond1 AND Stop[ i ] > Value3, Stop[ i ],
IIf( Cond1 AND Stop[ i ] < Value3, Value3,
IIf( NOT Cond1, Prev, Stop[ i ] * HoldingDays[ i ] ) ) );
}
TL = IIf( HoldingDays == 0, Null, TL );
Bullish = IIf( HoldingDays == 0, Null, Bullish );
Plot( C, "Price", IIf( C > O, colorGreen, colorRed ), styleBar );
Plot( TL, "TL", colorBlue );
Plot( Bullish, "Bullish", colorLightGrey );
PlotOHLC( TL, TL, Bullish, Bullish, "", ColorRGB( 230, 230, 230), styleCloud | styleNoLabel );
Title = "{{NAME}} - {{DATE}} - {{VALUES}}";
------------------------------------
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