Need help for Quantity managment.

#1
Hello All,

I have placed the query for placing order from AFL amibroker. with the below conditions.

1) first order should be 1;
2) If any order exited by Stop loss or target (sell or cover) the quantity should be 1;
3) if the stoploss or target not hit then the queantity should be 2; way means on next buy or short it will close exsting 1 quantity and place one more quantity and continue next trade;


Kindly help me on this how to trade with above logic. I have given which modifified but i am declaring the values as static in starting hence the it will not change;
Hoping any one will help me and fix the issue.


Code:
AT_QUANTITY=1;
Next_QUANTITY=0;

if(shouldSquareOff() == 1) {

    squareOffPosition();
}
else {

 
if ( LastValue(Buy) == True AND  isFirstOrder() == 0 )
    {
        
        placeOrderAdvancedNew(AT_EXCHANGE, AT_INSTRUMENT, Name(), "BUY", AT_PRODUCT_TYPE, AT_ORDER_TYPE,  AT_QUANTITY, 0, defaultTriggerPrice(), defaultDisclosedQuantity(), AT_OPTION_TYPE, AT_STRIKE_PRICE, AT_EXPIRY, defaultClientId(), defaultValidity(), defaultTraderType(), defaultMarketProtectionPct(), defaultStrategyId(), defaultComments(),
"regular", 0, 0, 0);

Next_QUANTITY=AT_QUANTITY+1;

}
    
    if ( LastValue(Short) == True AND isFirstOrder() == 0)
    {   
    
        placeOrderAdvancedNew(AT_EXCHANGE, AT_INSTRUMENT, Name(), "SELL", AT_PRODUCT_TYPE, AT_ORDER_TYPE,  AT_QUANTITY,0, defaultTriggerPrice(), defaultDisclosedQuantity(), AT_OPTION_TYPE, AT_STRIKE_PRICE, AT_EXPIRY, defaultClientId(), defaultValidity(), defaultTraderType(), defaultMarketProtectionPct(), defaultStrategyId(), defaultComments(),
"regular", 0, 0, 0);
 Next_QUANTITY=AT_QUANTITY+1;
    }
 
 
if ( LastValue(Buy) == True )
    {
        
        placeOrderAdvancedNew(AT_EXCHANGE, AT_INSTRUMENT, Name(), "BUY", AT_PRODUCT_TYPE, AT_ORDER_TYPE,  QTY, 0, defaultTriggerPrice(), defaultDisclosedQuantity(), AT_OPTION_TYPE, AT_STRIKE_PRICE, AT_EXPIRY, defaultClientId(), defaultValidity(), defaultTraderType(), defaultMarketProtectionPct(), defaultStrategyId(), defaultComments(),
"regular", 0, 0, 0);

Next_QUANTITY=AT_QUANTITY+1;

}
    
    if ( LastValue(Short) == True )
    {   
    
        placeOrderAdvancedNew(AT_EXCHANGE, AT_INSTRUMENT, Name(), "SELL", AT_PRODUCT_TYPE, AT_ORDER_TYPE,  QTY,0, defaultTriggerPrice(), defaultDisclosedQuantity(), AT_OPTION_TYPE, AT_STRIKE_PRICE, AT_EXPIRY, defaultClientId(), defaultValidity(), defaultTraderType(), defaultMarketProtectionPct(), defaultStrategyId(), defaultComments(),
"regular", 0, 0, 0);
Next_QUANTITY=AT_QUANTITY+1;
    }

}


StopLevel = Param( "Stop Loss (%)", 0.25, 0.01, 10, 0.01 );
TgtLevel = Param( "Profit target (%)", 0.5, 0.01, 10, 0.01 );

ApplyStop( stopTypeLoss, stopModePercent, StopLevel, True );
ApplyStop( stopTypeProfit, stopModePercent, TgtLevel, True );

Equity( 1, 0 );

sellcond2=Sell==2; covercond2=Cover==2;
sellcond3=Sell==3; covercond3=Cover==3;

Sell=ExRem(Sell,Cover);
Cover=ExRem(Cover,Sell);

 if ( LastValue(covercond2) ==True OR LastValue(covercond3) ==True)
    {
        tradeType="Buy";
    
        placeOrderAdvancedNew(AT_EXCHANGE, AT_INSTRUMENT, Name(), "BUY", AT_PRODUCT_TYPE, AT_ORDER_TYPE,  1, 0, defaultTriggerPrice(), defaultDisclosedQuantity(), AT_OPTION_TYPE, AT_STRIKE_PRICE, AT_EXPIRY, defaultClientId(), defaultValidity(), defaultTraderType(), defaultMarketProtectionPct(), defaultStrategyId(), defaultComments(),
"regular", 0, 0, 0);
//AT_QUANTITY = Param("Order quantity (lot size)", 1, 0, 300000, 10);
Next_QUANTITY=AT_QUANTITY;

}
    
    if ( LastValue(sellcond2)==True  OR LastValue(sellcond3) ==True)
    {   
    
    
        placeOrderAdvancedNew(AT_EXCHANGE, AT_INSTRUMENT, Name(), "SELL", AT_PRODUCT_TYPE, AT_ORDER_TYPE,  1,0, defaultTriggerPrice(), defaultDisclosedQuantity(), AT_OPTION_TYPE, AT_STRIKE_PRICE, AT_EXPIRY, defaultClientId(), defaultValidity(), defaultTraderType(), defaultMarketProtectionPct(), defaultStrategyId(), defaultComments(),
"regular", 0, 0, 0);
Next_QUANTITY=AT_QUANTITY;
//AT_QUANTITY = Param("Order quantity (lot size)", 1, 0, 300000, 10);
    }
    
    
    QTY=Next_QUANTITY;
 

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