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 //+------------------------------------------------------------------+

//| 如果執行達到此點, |
//| 說明沒有掛單和開倉。www.emoneybtc.com |
//+------------------------------------------------------------------+
//---- 放置BuyStop 和 SellStop:
double _OpenPriceLevel, _StopLossLevel, _TakeProfitLevel;
_OpenPriceLevel = NormalizeDouble( Ask + Luft*Point, Digits );

if ( StopLoss > 0 )

{ _StopLossLevel = NormalizeDouble( _OpenPriceLevel -
StopLoss*Point, Digits ); }

else
{ _StopLossLevel = 0.0; }

if ( TakeProfit > 0 )

{ _TakeProfitLevel = NormalizeDouble( _OpenPriceLevel + 
TakeProfit*Point, Digits ); }

else
{ _TakeProfitLevel = 0.0; }

if ( OrderSend ( Symbol(), OP_BUYSTOP, Lot, _OpenPriceLevel,
5, _StopLossLevel, _TakeProfitLevel, "",
_MagicNumber ) < 0 )

{
Alert( "OrderSend Error #", GetLastError() );
return(-1);
}

_OpenPriceLevel = NormalizeDouble(Bid - Luft*Point, Digits);

if ( StopLoss > 0 )

{ _StopLossLevel = NormalizeDouble( _OpenPriceLevel +
StopLoss*Point, Digits ); }

else
{ _StopLossLevel = 0.0; }

if ( TakeProfit > 0 )

{ _TakeProfitLevel = NormalizeDouble( _OpenPriceLevel - 
TakeProfit*Point, Digits ); }

else
{ _TakeProfitLevel = 0.0; }

if ( OrderSend ( Symbol(), OP_SELLSTOP, Lot, _OpenPriceLevel,
5, _StopLossLevel,
_TakeProfitLevel, "", _MagicNumber ) < 0 )

{
Alert( "OrderSend Error #", GetLastError() );
return(-1);
}

return(0);
}

現在讓我們寫出可以簡化控制建倉代碼的函數,它必須用每個類型的定單進行搜索,然後將這些信息存儲在全局變量裡,程序如下:

// 在定單特性中的整體變量會被儲存:
int _BuyTicket = 0, _SellTicket = 0, _BuyStopTicket = 0;

int _SellStopTicket = 0, _BuyLimitTicket = 0, _SellLimitTicket = 0;

double _BuyLots = 0.0, _SellLots = 0.0, _BuyStopLots = 0.0; 

double _SellStopLots = 0.0, _BuyLimitLots = 0.0, 
_SellLimitLots = 0.0;

double _BuyOpenPrice = 0.0, _SellOpenPrice = 0.0, 
_BuyStopOpenPrice = 0.0;

double _SellStopOpenPrice = 0.0, _BuyLimitOpenPrice = 0.0,
_SellLimitOpenPrice = 0.0;

double _BuyStopLoss = 0.0, _SellStopLoss = 0.0, _BuyStopStopLoss = 0.0;

double _SellStopStopLoss = 0.0, _BuyLimitStopLoss = 0.0, _SellLimitStopLoss = 0.0;

double _BuyTakeProfit = 0.0, _SellTakeProfit = 0.0,
_BuyStopTakeProfit = 0.0;

double _SellStopTakeProfit = 0.0, _BuyLimitTakeProfit = 0.0,
_SellLimitTakeProfit = 0.0;

datetime _BuyOpenTime = -1, _SellOpenTime = -1, 
_BuyStopOpenTime = -1;

datetime _SellStopOpenTime = -1, _BuyLimitOpenTime = -1,
_SellLimitOpenTime = -1;

double _BuyProfit = 0.0, _SellProfit = 0.0, _BuySwap = 0.0, 

_SellSwap = 0.0;
double _BuyCommission = 0.0, _SellCommission = 0.0;

string _BuyComment = "", _SellComment = "", _BuyStopComment = ""; 

string _SellStopComment = "", _BuyLimitComment = "", 
_SellLimitComment = "";

datetime _BuyStopExpiration = -1, _SellStopExpiration = -1;
datetime _BuyLimitExpiration = -1, _SellLimitExpiration = -1;

void OneTypeOrdersInit( int magic )
{
// 變量歸零:
_BuyTicket = 0; _SellTicket = 0; _BuyStopTicket = 0;
_SellStopTicket = 0; _BuyLimitTicket = 0; _SellLimitTicket = 0;

_BuyLots = 0.0; _SellLots = 0.0; _BuyStopLots = 0.0;
_SellStopLots = 0.0; _BuyLimitLots = 0.0; _SellLimitLots = 0.0;

_BuyOpenPrice = 0.0; _SellOpenPrice = 0.0; _BuyStopOpenPrice = 0.0;
_SellStopOpenPrice = 0.0; _BuyLimitOpenPrice = 0.0; 

_SellLimitOpenPrice = 0.0;

_BuyStopLoss = 0.0; _SellStopLoss = 0.0; _BuyStopStopLoss = 0.0;
_SellStopStopLoss = 0.0; _BuyLimitStopLoss = 0.0; 

_SellLimitStopLoss = 0.0;

_BuyTakeProfit = 0.0; _SellTakeProfit = 0.0;
_BuyStopTakeProfit = 0.0;
_SellStopTakeProfit = 0.0; _BuyLimitTakeProfit = 0.0; 

_SellLimitTakeProfit = 0.0;

_BuyOpenTime = -1; _SellOpenTime = -1; _BuyStopOpenTime = -1;
_SellStopOpenTime = -1; _BuyLimitOpenTime = -1; 

_SellLimitOpenTime = -1;

_BuyProfit = 0.0; _SellProfit = 0.0; _BuySwap = 0.0; 

_SellSwap = 0.0;
_BuyCommission = 0.0; _SellCommission = 0.0;

_BuyComment = ""; _SellComment = ""; _BuyStopComment = "";
_SellStopComment = ""; _BuyLimitComment = ""; 

_SellLimitComment = "";

_BuyStopExpiration = -1; _SellStopExpiration = -1;
_BuyLimitExpiration = -1; _SellLimitExpiration = -1;

int _GetLastError = 0, _OrdersTotal = OrdersTotal();
for ( int z = _OrdersTotal - 1; z >= 0; z -- )

{
if ( !OrderSelect( z, SELECT_BY_POS ) )

{
_GetLastError = GetLastError();
Print("OrderSelect(", z, ",SELECT_BY_POS) - Error #", 

_GetLastError );
continue;
}
if ( OrderMagicNumber() == magic && OrderSymbol() == 

Symbol() )
{
switch ( OrderType() )

{
case OP_BUY:
_BuyTicket = OrderTicket();
_BuyLots = NormalizeDouble( OrderLots(), 1 );
_BuyOpenPrice = NormalizeDouble( OrderOpenPrice(),
Digits );
_BuyStopLoss = NormalizeDouble( OrderStopLoss(),
Digits );
_BuyTakeProfit = NormalizeDouble( OrderTakeProfit(),
Digits );
_BuyOpenTime = OrderOpenTime();
_BuyProfit = NormalizeDouble( OrderProfit(), 2 );
_BuySwap = NormalizeDouble( OrderSwap(), 2 );
_BuyCommission = NormalizeDouble( OrderCommission(),
2 );
_BuyComment = OrderComment();
break;
case OP_SELL:
_SellTicket = OrderTicket();
_SellLots = NormalizeDouble( OrderLots(), 1 );
_SellOpenPrice = NormalizeDouble( OrderOpenPrice(),
Digits );
_SellStopLoss = NormalizeDouble( OrderStopLoss(),
Digits );
_SellTakeProfit = NormalizeDouble( OrderTakeProfit(),
Digits );
_SellOpenTime = OrderOpenTime();
_SellProfit = NormalizeDouble( OrderProfit(), 2 );
_SellSwap = NormalizeDouble( OrderSwap(), 2 );
_SellCommission = NormalizeDouble( OrderCommission(),
2 );
_SellComment = OrderComment();
break;
case OP_BUYSTOP:
_BuyStopTicket = OrderTicket();
_BuyStopLots = NormalizeDouble( OrderLots(), 1 );
_BuyStopOpenPrice = NormalizeDouble( OrderOpenPrice(),
Digits );
_BuyStopStopLoss = NormalizeDouble( OrderStopLoss(),
Digits );
_BuyStopTakeProfit = NormalizeDouble( OrderTakeProfit(),
Digits );
_BuyStopOpenTime = OrderOpenTime();
_BuyStopComment = OrderComment();
_BuyStopExpiration = OrderExpiration();
break;
case OP_SELLSTOP:
_SellStopTicket = OrderTicket();
_SellStopLots = NormalizeDouble( OrderLots(), 1 );
_SellStopOpenPrice = NormalizeDouble( OrderOpenPrice(),
Digits );
_SellStopStopLoss = NormalizeDouble( OrderStopLoss(),
Digits );
_SellStopTakeProfit = NormalizeDouble( OrderTakeProfit(),
Digits );
_SellStopOpenTime = OrderOpenTime();
_SellStopComment = OrderComment();
_SellStopExpiration = OrderExpiration();
break;
case OP_BUYLIMIT:
_BuyLimitTicket = OrderTicket();
_BuyLimitLots = NormalizeDouble( OrderLots(), 1 );
_BuyLimitOpenPrice = NormalizeDouble( OrderOpenPrice(),
Digits );
_BuyLimitStopLoss = NormalizeDouble( OrderStopLoss(),
Digits );
_BuyLimitTakeProfit = NormalizeDouble( OrderTakeProfit(),
Digits );
_BuyLimitOpenTime = OrderOpenTime();
_BuyLimitComment = OrderComment();
_BuyLimitExpiration = OrderExpiration();
break;
case OP_SELLLIMIT:
_SellLimitTicket = OrderTicket();
_SellLimitLots = NormalizeDouble( OrderLots(), 1 );
_SellLimitOpenPrice = NormalizeDouble( OrderOpenPrice(),
Digits );
_SellLimitStopLoss = NormalizeDouble( OrderStopLoss(),
Digits );
_SellLimitTakeProfit = NormalizeDouble( OrderTakeProfit(),
Digits );
_SellLimitOpenTime = OrderOpenTime();
_SellLimitComment = OrderComment();
_SellLimitExpiration = OrderExpiration();
break;
}

}
}
}

現在我們將函數用到智能交易程序中:

extern int _MagicNumber = 1123;
extern double Lot = 0.1;

extern int StopLoss = 60; 
// 止損點的間距(0 - d無)
extern int TakeProfit = 100; 

// 贏利點的間距 (0 - 無)
extern int TrailingStop = 50; 
//追蹤止損點 (0 - 無)

extern int Luft = 20; 

// 掛單交易放置水平的間距

#include <OneTypeOrdersControl.mq4>

int start()
{
int _GetLastError = 0;

//---- 記住開倉的參量(如果可用)

OneTypeOrdersInit( _MagicNumber );

//---- 如果我們兩個都是掛單交易,退出
//---- 等待他們開啟
if ( _BuyStopTicket > 0 && _SellStopTicket > 0 ) return(0);

//---- 如果 BUY 倉位開倉

if ( _BuyTicket > 0 )
{
//---- 如果SellStop 還沒有刪除,刪除它:

if ( _SellStopTicket > 0 )
{
if ( !OrderDelete( _SellStopTicket ) )

{
Alert( "OrderDelete 錯誤#", GetLastError() );
return(-1);
}

}
//---- 檢測止損被移動:
//---- 如果追蹤止損不是很小,
if ( TrailingStop > MarketInfo( Symbol(), 

MODE_STOPLEVEL ) )
{
//---- 如果贏利倉位超過追蹤止損點,
if ( NormalizeDouble( Bid - _BuyOpenPrice, Digits ) >
NormalizeDouble( TrailingStop*Point, Digits ) )

{
//---- 如果新止損水平超過當前倉位
//---- (或者當前倉位沒有止損),
if(NormalizeDouble( Bid - TrailingStop*Point, 

Digits ) > _BuyStopLoss
|| _BuyStopLoss <= 0.0 )

{
//---- 修改定單
if ( !OrderModify( _BuyTicket, _BuyOpenPrice,
NormalizeDouble( Bid - TrailingStop*Point,
Digits ),
_BuyTakeProfit, 0 ) )

{
Alert( "OrderModify 錯誤#", 
GetLastError() );
return(-1);
}

}
}
}
//---- 如果沒有開倉倉位,退出,無事可做
return(0);
}

//---- 這個單元格與BUY倉位的單元格相似

//---- 這就是我們不能做標注的原因...
if ( _SellTicket > 0 )

{
if ( _BuyStopTicket > 0 )
{

if ( !OrderDelete( _BuyStopTicket ) )
{

Alert( "OrderDelete錯誤 #", GetLastError() );
return(-1);
}

}
if(TrailingStop > MarketInfo( Symbol(), MODE_STOPLEVEL))

{
if(NormalizeDouble( _SellOpenPrice - Ask, Digits ) >
NormalizeDouble( TrailingStop*Point, Digits ) )

{
if(NormalizeDouble( Ask + TrailingStop*Point, 

Digits ) < _SellStopLoss
|| _SellStopLoss <= 0.0 )

{
if(!OrderModify( _SellTicket, _SellOpenPrice,
NormalizeDouble( Ask + TrailingStop*Point, 

Digits ),
_SellTakeProfit, 0 ) )
{
Alert( "OrderModify Error #", 

GetLastError() );
return(-1);
}
}
}

}
return(0);
}

5. 總結

最後,我想來比較一下使用函數與否在搜索定單時的速度。為此,我們用相同的版本來連續測試 “Every tick” 模式10次(用_MagicNumber最優化),用 MetaTrader 軟件來計算時間 — 時間時自己計算的。

結果如下:

智能交易

10 測試的時間 (mm:ss)

CrossMACD_beta
(不包含函數)

07:42

CrossMACD

11:37

DoublePending_beta
(不包含函數)

08:18

DoublePending

09:42

正如你的表格裡看到的,使用函數的智能交易程序稍稍慢了一點,這作為使源代碼簡單易懂的代價,應該還算合理。
無論如何,每個人都有是否使用函數的自由。

 

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