//
+--------------------------------------------
----------------------+
//---- input parameters
extern double TakeProfit = 20;
extern double StopLoss = 30;
extern double Lots = 2;
extern double TrailingStop = 50;
extern int ShortEma = 5;
extern int LongEma = 60;
//
+--------------------------------------------
----------------------+
//| expert initialization function |
//
+--------------------------------------------
----------------------+
int init()
{
//----
//----
return (0);
}
//
+--------------------------------------------
----------------------+
//| expert deinitialization function |
//
+--------------------------------------------
----------------------+
int deinit()
{
//----
//----
return (0);
}
//
+--------------------------------------------
----------------------+
//| expert start function |
//
+--------------------------------------------
----------------------+
int start()
{
int cnt, ticket, total;
double SEma, LEma;
//----
if (Bars < 100)
{
Print("bars less than 100");
return (0);
}
//----
if (TakeProfit < 10)
{
Print("TakeProfit less than 10");
return (0); // check TakeProfit
}
//----
SEma = iMA(NULL, 0, ShortEma, 0,
MODE_EMA, PRICE_CLOSE, 0);
LEma = iMA(NULL, 0, LongEma, 0, MODE_EMA,
PRICE_CLOSE, 0);
//----
static int isCrossed = 0;
isCrossed = Crossed(LEma, SEma);
//----
total = OrdersTotal();
if (total < 1)
{
if (isCrossed == 1) // 满足空仓条件,开空仓
{
ticket = OrderSend(Symbol(), OP_SELL,
Lots, Bid, 3, Bid + StopLoss * Point,
Bid - TakeProfit * Point, "EMA_CROSS",
12345, 0, Green);
if (ticket > 0)
{
if (OrderSelect(ticket, SELECT_BY_TICKET,
MODE_TRADES))
Print("SELL order opened : ",
OrderOpenPrice());
} else
Print("Error opening SELL order : ",
GetLastError());
return (0);
}
if (isCrossed == 2) // 满足多仓条件,开多仓
{
ticket = OrderSend(Symbol(), OP_BUY,
Lots, Ask, 3, Ask - StopLoss * Point,
Ask + TakeProfit * Point, "EMA_CROSS",
12345, 0, Red);
if (ticket > 0)
{
if (OrderSelect(ticket, SELECT_BY_TICKET,
MODE_TRADES))
Print("BUY order opened : ",
OrderOpenPrice());
} else
Print("Error opening BUY order : ",
GetLastError());
return (0);
}
return (0);
}
//---- 订单修改,实现动态止盈止损跟踪
for (cnt = 0; cnt < total; cnt++)
{
OrderSelect(cnt, SELECT_BY_POS,
MODE_TRADES);
if (OrderType() <= OP_SELL &&
OrderSymbol() == Symbol())
{
if (OrderType() == OP_SELL) // long
position is opened
{
// check for trailing stop
if (TrailingStop > 0)
{
if (Bid - OrderOpenPrice() > Point *
TrailingStop)
{
if (OrderStopLoss() < Bid - Point *
TrailingStop)
{
OrderModify(OrderTicket(),
OrderOpenPrice(),
Bid - Point * TrailingStop,
OrderTakeProfit(), 0, Green);
return (0);
}
}
}
} else // go to short position
{
// check for trailing stop
if (TrailingStop > 0)
{
if ((OrderOpenPrice() - Ask) > (Point *
TrailingStop))
{
if ((OrderStopLoss() > (Ask + Point *
TrailingStop)))
{
OrderModify(OrderTicket(),
OrderOpenPrice(),
Ask + Point * TrailingStop,
OrderTakeProfit(), 0, Red);
return (0);
}
}
}
}
}
}
//----
return (0);
}
//
+--------------------------------------------
----------------------+
// 移动平均线多空条件判断,
int Crossed(double line1, double line2)
{
static int last_direction = 0;
static int current_direction = 0;
//Don't work in the first load, wait for
the first cross!
static bool first_time = true;
if (first_time == true)
{
first_time = false;
return (0);
}
//----
if (line1 > line2)
current_direction = 2; //up 多头市场 上穿
做多
if (line1 < line2)
current_direction = 1; //down 空头市场 下
穿做空
//----
if (current_direction != last_direction)
//changed 多空改变 {
last_direction = current_direction;
return (last_direction);
else return (0); //not changed
} |