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 The problem with this approach is that a little bit 
more is needed in order to differentiate the region prior to the first 
buy/sell, as originally specified in the original 
question.
  
  
Bill 
  
----- Original Message ----- 
Sent: Thursday, March 22, 2007 5:09 
PM 
Subject: Re: [amibroker] In Trade 
Index  
  > 
Sorry made mistake >  > inTrade = iif(Flip(Buy,Sell),1,-1) ; > 
 > --  > Cheers > Graham > AB-Write >< 
Professional AFL Writing Service > Yes, I write AFL code to your 
requirements > http://www.aflwriting.com >  >  >  > On 23/03/07, Graham 
<kavemanperth@xxxxxxxxx> 
wrote: >> I think you will find this an easier 
solution >> >> inTrade = Flip(Buy,Sell) - 
1; >> >> >> -- >> Cheers >> 
Graham >> AB-Write >< Professional AFL Writing 
Service >> Yes, I write AFL code to your requirements >>  
http://www.aflwriting.com >> >> >> > >> > >> 
> >> > >> > >> > >> 
> >> > >> > ----- Original Message ----- >> 
> From: Alain Baur >> > To: amibroker@xxxxxxxxxxxxxxx >> > Sent: Thursday, March 22, 2007 3:48 AM >> > 
Subject: [amibroker] In Trade Index >> > >> 
> >> > >> > >> > >> > 
Hi >> > I would like to create an index ( "InTrade") which indicates 
if i am On >> the market or no. >> > >> > This 
formula works well but only after the two first trades (Buy then 
sell >> or sell then Buy) >> > >> > >> 
> SetChartOptions(1,chartShowDates); >> > >> > 
GraphXSpace = 10 ; >> > >> > Plot(Close, "C", 
colorBlack, styleCandle); >> > >> > X = 
BarIndex(); >> > >> > MA10 = MA(C, 10) ; >> 
> >> > MA50 = MA(C, 50); >> > >> > 
Plot(MA10, "MA10", colorBlue, styleLine); >> > >> > 
Plot(MA50, "MA50", colorRed, styleLine); >> > >> > Buy = 
Cross(MA10, MA50); >> > >> > Sell = Cross(MA50, 
MA10); >> > >> > BarBuy = ValueWhen(Buy, X, 
1); >> > >> > BarSell = ValueWhen(Sell, X, 
1); >> > >> > PlotShapes(IIf(Buy, shapeUpArrow, 
shapeNone), colorGreen, 0, L, -12); >> > >> > 
PlotShapes(IIf(Sell, shapeDownArrow, shapeNone), colorRed, 0, H, 
-12); >> > >> > intrade = IIf( BarBuy > BarSell , 1, 
-1); >> > >> > Title = " " + Name() + " - " + Date() + " 
- BarBuy = " + BarBuy + " - >> BarSell = " + BarSell >> 
> >> > + " - Intrade = " + intrade + " " ; >> >  
Is it possible to write an other formula which works since the 
beginning >> of the Array ? >> > >> 
> >> > Thank's for your response >> > >> 
> >> > >> > >> > >> > 
________________________________ >> >> > >> 
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