How to trigger event on TakeProfit

Question

I am working on this problem for several weeks now and I just can't find a proper way to solve it. I am looking for help.

I want the following to happen:

1. Place 2 orders, n and n+1. n has a TP & SL level, n+1 has only SL level. SL levels are the same for both orders.

2. If SL is hit, fine. Both orders are terminated.

3. If TP on order n is hit, modify order n+1 to have its SL moved to the price where order n hit TP.

4. After that I want to execute trailing stop loss and I have already programmed that successfully.

How is this done? I tried with magic numbers, iterating over HistoryDealsTotal, HistoryOrdersTotal and a few more approaches but I just never get to the point where I am able to track an order inbetween many open orders and check if it just hit TP, then modify the other order that was initially created right after the first order.

I would appreciate any help towards a solution, thanks!

Answer 1

After doing some research, I came up with a solution to the problem above. here is a breakdown.

I looped through my order history and recorded the following;

• OrderOpenTime();
• OrderSymbol();
• OrderType();
• OrderLots();

Note: the data you record is up to you.

I then loop through the OrdersTotal with the data I have got for possible matches and then modify the match.

Hence;

datetime OrderDateTime=0; // variable to store the OrderOpenTime
   string orderSymbol=""; 
   int orderType=0 ;
   double orderLot=0.0;
   int TotalHistoryOrders = OrdersHistoryTotal(),TotalOrders=OrdersTotal();

   for(int h = TotalHistoryOrders - 1; h >= 0; h--)
     {
      if(OrderSelect(h, SELECT_BY_POS, MODE_HISTORY))  // checking through orderHistory 
        {
         if(OrderSymbol() == _Symbol)
           {
            if(OrderType() == OP_SELL || OrderType() == OP_BUY)
              {
               if(OrderProfit() >= 0) // checking if the closed trade was in profit 
                 {
                  //saving the needed data from the history data
                  OrderDateTime = OrderOpenTime();
                  orderSymbol = OrderSymbol();
                  orderType = OrderType();
                  orderLot = OrderLots();
                 }
               for(int i = TotalOrders - 1; i >= 0; i--)
                 {
                    //checking opened trades for a possible match
                  if(OrderSelect(i, SELECT_BY_POS, MODE_TRADES))
                     if(OrderOpenTime() == OrderDateTime|| OrderOpenTime() == OrderDateTime+1) // +1 just incase the second order opens a second later 
                       {
                        if(OrderSymbol() == orderSymbol)
                          {
                           if(OrderType() == orderType)
                             {
                              if(OrderLots() == orderLot)
                                {

                                 // CHEKING IF STOP LOSS IS BELOW ONBAR_STOPLOSS
                                 if(OrderStopLoss() < Onbar_stoploss(OP_BUY)) // Onbar_stoploss is my stoploss function for Buy orders 
                                   {
                                    double stop_loss = Onbar_stoploss(OP_BUY); // setting the stoploss

                                    //MODIFYING STOP LOSS
                                    bool ORDER_MORDIFY1 = OrderModify(OrderTicket(),OrderOpenPrice(), stop_loss, OrderTakeProfit(),0,clrNONE);

                                   }
                                 else
                                    if(OrderStopLoss() > Onbar_stoploss(OP_SELL))// Onbar_stoploss is my stoploss function  for sell orders
                                      {
                                       double stop_loss = Onbar_stoploss(OP_SELL); // setting the stoploss

                                       //MODIFYING STOP LOSS
                                       bool ORDER_MORDIFY1 = OrderModify(OrderTicket(),OrderOpenPrice(), stop_loss, OrderTakeProfit(),0,clrNONE);

                                      }
                                }
                             }
                          }
                       }
                 }
              }
           }
        }
     }

I hope this helps.