AFL Codding Help

#1
I have AFL which is working fine for crude oil. out of 10 trades, 8 trades are targets hitting. I have code for place orders auto trades. the auto trade code is working fine with other AFL codes but the problem is in below algorithm the BUY and SELL Boolean value is not giving to IF condition. But IIF(Buy .... conditions are working fine.

My main question is why BUY Sell True or false is not working in last status in AFL. Kindly help me to resolve this.


_SECTION_BEGIN("T+4 day ");
Title = " ..:: duy ::.. - Filter of Stock " + " " + FullName() + " " + Date( ) ;
// 4-Day-Range Switch
prev=AMA2(C,1,0);
d=IIf(C>Ref(Max(Max(H,Ref(H,-20)),Max(Ref(H,-10),Ref(H,-15))),-1),Min(Min(L,Ref(L,-20)),Min(Ref(L,-10),Ref(L,-15))),
IIf(C<Ref(Min(Min(L,Ref(L,-20)),Min(Ref(L,-10),Ref(L,-15))),-1),Max(Max(H,Ref(H,-20)),Max(Ref(H,-10),Ref(H,-15))),PREV));
a=Cross(Close,d);
b=Cross(d,Close);
state=IIf(BarsSince(a)<BarsSince(b),1,0);
s=state>Ref(state,-1);
ss=state<Ref(state,-1);
sss=state==Ref(state,-1);
col=IIf(state == 1 ,51,IIf(state ==0,4,1));
Plot(C,"",Col,128);

Buy=s;
Sell=ss;


PlotShapes( shapeUpArrow * s ,6,0,L);
PlotShapes( shapeDownArrow *ss ,4,0,H);


dist = 0.8*ATR(10);
dist1 = 2*ATR(10);
for( i = 0; i < BarCount; i++ )
{
if( Buy )
{
PlotText( "\nBuy:" + L[ i ] + "\nT= " + (L*1.005) + "\nSL= " + (L*0.9975), i, L[ i ]-dist, colorGreen, colorWhite );
}
if( Sell )
{
PlotText( "Sell:" + H[ i ] + "\nT= " + (H*0.995) + "\nSL= " + (H*1.0025), i, H[ i ]+dist1, colorRed, colorWhite );
}
}

Buy = ExRem(Buy,Sell);
Sell = ExRem(Sell,Buy);

if ( LastValue(Buy)==1)
{

quantity=2;
orderId=placeOrderFuture("MCX", "FUTCOM", ChartSymbol, "BUY", "INTRADAY", "MARKET", quantity, 0, defaultTriggerPrice(), "19-APR-2018", defaultStrategyId(), defaultComments());

//orderId = placeOrderUsingParams(tradeType, AT_ORDER_TYPE, AT_QUANTITY, buyPrice, defaultTriggerPrice(), 1);


}

if ( LastValue(Sell) == 1 )
{

quantity=2;
orderId=placeOrderFuture("MCX", "FUTCOM", ChartSymbol, "SELL", "INTRADAY", "MARKET", quantity, 0, defaultTriggerPrice(), "19-APR-2018", defaultStrategyId(), defaultComments());
//orderId = placeOrderUsingParams("SELL", AT_ORDER_TYPE, AT_QUANTITY, sellPrice, defaultTriggerPrice(), 1);

}
 

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travi

Well-Known Member
#2
I have AFL which is working fine for crude oil. out of 10 trades, 8 trades are targets hitting. I have code for place orders auto trades. the auto trade code is working fine with other AFL codes but the problem is in below algorithm the BUY and SELL Boolean value is not giving to IF condition. But IIF(Buy .... conditions are working fine.

My main question is why BUY Sell True or false is not working in last status in AFL. Kindly help me to resolve this.

Buy = ExRem(Buy,Sell);

Sell = ExRem(Sell,Buy);

if ( LastValue(Buy)==1)
Are you sure this part isn't altering the Lastvalue of that Array?
You are assigning Buy, computing using it, then doing ExRem, and again trying to evaluate Buy.

so if Exrem changes the most recent (lastvalue) Buy array value from 1 to 0, it will fail in the if even though it passed in previous if( Buy ) condition.
 
#3
Hello Travis,

Thanks for your reply,

I have modified the if conditions to as like below. it is working fine but while updating the script buy and sell duplicate orders are generating can you please help me how to avoid that.


<pre>
if ( LastValue(state) == 1)
{
tradeType = "BUY";
quantity=2;
orderId=placeOrderFuture("MCX", "FUTCOM", ChartSymbol, "BUY", "INTRADAY", "MARKET", quantity, 0, defaultTriggerPrice(), "19-APR-2018", defaultStrategyId(), defaultComments());


}

if ( LastValue(state) == 0 )
{
tradeType = "SELL";
quantity=2;
orderId=placeOrderFuture("MCX", "FUTCOM", ChartSymbol, "SELL", "INTRADAY", "MARKET", quantity, 0, defaultTriggerPrice(), "19-APR-2018", defaultStrategyId(), defaultComments());
}
</pre>

}
 

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