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海龟交易系统

//------------------------------------------------------------------------
// 简称: TurtleTrader
// 名称: 海龟交易系统
// 类别: 公式应用
// 类型: 内建应用
//------------------------------------------------------------------------
Params
    Numeric RiskRatio(1); // % Risk Per N ( 0 - 100)
    Numeric ATRLength(20); // 平均波动周期 ATR Length
    Numeric boLength(20); // 短周期 BreakOut Length
    Numeric fsLength(55); // 长周期 FailSafe Length
    Numeric teLength(10); // 离市周期 Trailing Exit Length
    Bool LastProfitableTradeFilter(True); // 使用入市过滤条件
Vars
    Numeric MinPoint; // 最小变动单位
    NumericSeries AvgTR; // ATR
    Numeric N; // N 值
    Numeric TotalEquity; // 按最新收盘价计算出的总资产
    Numeric TurtleUnits; // 交易单位
    NumericSeries DonchianHi;// 唐奇安通道上轨,延后1个Bar
    NumericSeries DonchianLo;// 唐奇安通道下轨,延后1个Bar
    NumericSeries fsDonchianHi;// 唐奇安通道上轨,延后1个Bar,长周期
    NumericSeries fsDonchianLo;// 唐奇安通道下轨,延后1个Bar,长周期
    Numeric ExitHighestPrice; // 离市时判断需要的N周期最高价
    Numeric ExitLowestPrice; // 离市时判断需要的N周期最低价
    Numeric myEntryPrice; // 开仓价格
    Numeric myExitPrice; // 平仓价格
    Bool SendOrderThisBar(False);// 当前Bar有过交易
    NumericSeries preEntryPrice(0);// 前一次开仓的价格
    BoolSeries PreBreakoutFailure(false);// 前一次突破是否失败
Begin
    If(BarStatus == 0)
    {
 preEntryPrice = InvalidNumeric;
 PreBreakoutFailure = false;
 }

  MinPoint = MinMove*PriceScale;
    AvgTR = XAverage(TrueRange,ATRLength);
 N = AvgTR[1];
    TotalEquity = Portfolio_CurrentCapital() + Portfolio_UsedMargin();
    TurtleUnits = (TotalEquity*RiskRatio/100) /(N * ContractUnit()*BigPointValue());
    TurtleUnits = IntPart(TurtleUnits); // 对小数取整
    DonchianHi = HighestFC(High[1],boLength);
    DonchianLo = LowestFC(Low[1],boLength);
    fsDonchianHi = HighestFC(High[1],fsLength);
    fsDonchianLo = LowestFC(Low[1],fsLength);

     ExitLowestPrice = LowestFC(Low[1],teLength);
    ExitHighestPrice = HighestFC(High[1],teLength);
    Commentary("N="+Text(N));
    Commentary("preEntryPrice="+Text(preEntryPrice));
    Commentary("PreBreakoutFailure="+IIFString(PreBreakoutFailure,"True","False"));

     // 当不使用过滤条件,或者使用过滤条件并且条件为PreBreakoutFailure为True进行后续操作
    If(MarketPosition == 0 && ((!LastProfitableTradeFilter) Or (PreBreakoutFailure)))
    {
        // 突破开仓
        If(High > DonchianHi && TurtleUnits >= 1)
        {
            // 开仓价格取突破上轨+一个价位和最高价之间的较小值,这样能更接近真实情况,并能尽量保证成交
            myEntryPrice = min(high,DonchianHi + MinPoint);
            myEntryPrice = IIF(myEntryPrice < Open, Open,myEntryPrice); // 大跳空的时候用开盘价代替
   preEntryPrice = myEntryPrice;
            Buy(TurtleUnits,myEntryPrice);
   SendOrderThisBar = True;
   PreBreakoutFailure = False;
        }
        If(Low < DonchianLo && TurtleUnits >= 1)
        {
            // 开仓价格取突破下轨-一个价位和最低价之间的较大值,这样能更接近真实情况,并能尽量保证成交
            myEntryPrice = max(low,DonchianLo - MinPoint);
            myEntryPrice = IIF(myEntryPrice > Open, Open,myEntryPrice); // 大跳空的时候用开盘价代替
            preEntryPrice = myEntryPrice;
            SendOrderThisBar = True;
            SellShort(TurtleUnits,myEntryPrice);
   SendOrderThisBar = True;
   PreBreakoutFailure = False;
        }
    }
    // 长周期突破开仓 Failsafe Breakout point
    If(MarketPosition == 0)
    {
  Commentary("fsDonchianHi="+Text(fsDonchianHi));
        If(High > fsDonchianHi && TurtleUnits >= 1)
        {
            // 开仓价格取突破上轨+一个价位和最高价之间的较小值,这样能更接近真实情况,并能尽量保证成交
            myEntryPrice = min(high,fsDonchianHi + MinPoint);
            myEntryPrice = IIF(myEntryPrice < Open, Open,myEntryPrice); // 大跳空的时候用开盘价代替
   preEntryPrice = myEntryPrice;
            Buy(TurtleUnits,myEntryPrice);
   SendOrderThisBar = True;
   PreBreakoutFailure = False;
        }
  Commentary("fsDonchianLo="+Text(fsDonchianLo));
        If(Low < fsDonchianLo && TurtleUnits >= 1)
        {
            // 开仓价格取突破下轨-一个价位和最低价之间的较大值,这样能更接近真实情况,并能尽量保证成交
            myEntryPrice = max(low,fsDonchianLo - MinPoint);
            myEntryPrice = IIF(myEntryPrice > Open, Open,myEntryPrice); // 大跳空的时候用开盘价代替
            preEntryPrice = myEntryPrice;
            SellShort(TurtleUnits,myEntryPrice);
   SendOrderThisBar = True;
   PreBreakoutFailure = False;
        }
    }
    If(MarketPosition == 1) // 有多仓的情况
    {
  Commentary("ExitLowestPrice="+Text(ExitLowestPrice));
        If(Low < ExitLowestPrice)
        {
            myExitPrice = max(Low,ExitLowestPrice - MinPoint);
   myExitPrice = IIF(myExitPrice > Open, Open,myExitPrice); // 大跳空的时候用开盘价代替
            Sell(0,myExitPrice); // 数量用0的情况下将全部平仓
        }Else
        {
            If(preEntryPrice!=InvalidNumeric && TurtleUnits >= 1)
            {
                If(Open >= preEntryPrice + 0.5*N) // 如果开盘就超过设定的1/2N,则直接用开盘价增仓。
                {
                    myEntryPrice = Open;
     preEntryPrice = myEntryPrice;
                    Buy(TurtleUnits,myEntryPrice);
     SendOrderThisBar = True;
                }
                while(High >= preEntryPrice + 0.5*N) // 以最高价为标准,判断能进行几次增仓
                {
                    myEntryPrice = preEntryPrice + 0.5 * N;
                    preEntryPrice = myEntryPrice;
                    Buy(TurtleUnits,myEntryPrice);
     SendOrderThisBar = True;
                }
            }

               // 止损指令
   If(Low <= preEntryPrice - 2 * N && SendOrderThisBar == false) // 加仓Bar不止损
   {
    myExitPrice = preEntryPrice - 2 * N;
    Sell(0,myExitPrice); // 数量用0的情况下将全部平仓
    PreBreakoutFailure = True;
   }
        }
    }Else If(MarketPosition ==-1) // 有空仓的情况
    {
        // 求出持空仓时离市的条件比较值
  Commentary("ExitHighestPrice="+Text(ExitHighestPrice));
        If(High > ExitHighestPrice)
        {
            myExitPrice = Min(High,ExitHighestPrice + MinPoint);
   myExitPrice = IIF(myExitPrice < Open, Open,myExitPrice); // 大跳空的时候用开盘价代替
            BuyToCover(0,myExitPrice); // 数量用0的情况下将全部平仓
        }Else
        {
            If(preEntryPrice!=InvalidNumeric && TurtleUnits >= 1)
            {
                If(Open <= preEntryPrice - 0.5*N) // 如果开盘就超过设定的1/2N,则直接用开盘价增仓。
                {
                    myEntryPrice = Open;
     preEntryPrice = myEntryPrice;
                    SellShort(TurtleUnits,myEntryPrice);
     SendOrderThisBar = True;
                }
                while(Low <= preEntryPrice - 0.5*N) // 以最低价为标准,判断能进行几次增仓
                {
                    myEntryPrice = preEntryPrice - 0.5 * N;
                    preEntryPrice = myEntryPrice;
                    SellShort(TurtleUnits,myEntryPrice);
     SendOrderThisBar = True;
                }
            }
            // 止损指令
   If(High >= preEntryPrice + 2 * N &&SendOrderThisBar==false) // 加仓Bar不止损
   {
    myExitPrice = preEntryPrice + 2 * N;
    BuyToCover(0,myExitPrice); // 数量用0的情况下将全部平仓
    PreBreakoutFailure = True;
   }
        }
    }
End
//------------------------------------------------------------------------
// 编译版本GS2010.12.08
// 版权所有TradeBlazer Software 2003-2010
// 更改声明TradeBlazer Software保留对TradeBlazer平
//台每一版本的TradeBlazer公式修改和重写的权利
//------------------------------------------------------------------------

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