Price Action Dynamic Exit Strategy - Profit Shield pro - MetaTrader 5脚本

#property copyright "Samson Mwita 2025"
#property link      "Samson Mwita 2025"
#property version   "1.00"
#property description "Advanced price action-based dynamic exit strategy"
#property description "Monitors Fibonacci, market structure, candlestick patterns"
#property description "and behavioral patterns for optimal exit timing"
//--- 输入参数
input double   ProfitActivationPercent = 70.0;  // 当交易距离目标 X% 时开始监控
input bool     UseRSIReversal = true;           // 使用 RSI 进行反转检测
input int      RSIPeriod = 14;                  // RSI 周期
input double   RSIOverbought = 70.0;            // RSI 超买水平
input double   RSI_Oversold = 30.0;             // RSI 超卖水平
input bool     UseCandlestickPatterns = true;   // 使用蜡烛图形态
input bool     UseMovingAverageCross = false;   // 使用 MA 十字星进行确认
input int      FastMA_Period = 5;               // 快速 MA 周期
input int      SlowMA_Period = 10;              // 慢速 MA 周期
input int      CheckEveryXSeconds = 10;         // 检查频率（秒）

//+------------------------------------------------------------------+
//| 脚本程序启动功能|
//+------------------------------------------------------------------+
void OnStart()
{
   //--- 显示脚本启动信息
   Print("Dynamic Exit Protector Started - Monitoring Trades...");
   
   //--- 创建一个用于持续监控的计时器
   EventSetTimer(CheckEveryXSeconds);
}

//+------------------------------------------------------------------+
//| 定时器功能--每 X 秒运行一次
//+------------------------------------------------------------------+
void OnTimer()
{
   CheckAndProtectTrades();
}

//+------------------------------------------------------------------+
//| 检查和保护交易的主要功能
//+------------------------------------------------------------------+
void CheckAndProtectTrades()
{
   int total = PositionsTotal();
   
   for(int i = total-1; i >= 0; i--)
   {
      ulong ticket = PositionGetTicket(i);
      if(ticket > 0)
      {
         string symbol = PositionGetString(POSITION_SYMBOL);
         double volume = PositionGetDouble(POSITION_VOLUME);
         double openPrice = PositionGetDouble(POSITION_PRICE_OPEN);
         double currentProfit = PositionGetDouble(POSITION_PROFIT);
         ulong type = PositionGetInteger(POSITION_TYPE);
         double sl = PositionGetDouble(POSITION_SL);
         double tp = PositionGetDouble(POSITION_TP);
         
         //--- 如果未设置止盈，则跳过
         if(tp == 0) continue;
         
         double currentPrice = (type == POSITION_TYPE_BUY) ? SymbolInfoDouble(symbol, SYMBOL_BID) : SymbolInfoDouble(symbol, SYMBOL_ASK);
         
         //-- 计算我们离 TP 有多近（百分比）
         double distanceToTP = 0;
         double progressToTP = 0;
         
         if(type == POSITION_TYPE_BUY)
         {
            distanceToTP = tp - openPrice;
            progressToTP = (currentPrice - openPrice) / distanceToTP * 100;
         }
         else // 卖出位置
         {
            distanceToTP = openPrice - tp;
            progressToTP = (openPrice - currentPrice) / distanceToTP * 100;
         }
         
         //--- 如果我们足够接近 TP，检查反转情况
         if(progressToTP >= ProfitActivationPercent)
         {
            bool shouldClose = false;
            string reason = "";
            
            //--- 检查 RSI 反转（如果启用）
            if(UseRSIReversal && CheckRSI_Reversal(symbol, type))
            {
               shouldClose = true;
               reason = "RSI Reversal Signal";
            }
            
            //--- 检查烛台形态（如果启用）
            if(UseCandlestickPatterns && CheckCandlestickReversal(symbol, type))
            {
               shouldClose = true;
               reason = "Candlestick Reversal Pattern";
            }
            
            //--- 检查 MA Cross（如果启用）
            if(UseMovingAverageCross && CheckMA_Cross(symbol))
            {
               shouldClose = true;
               reason = "Moving Average Cross";
            }
            
            //--- 附加安全性：如果利润开始大幅下降
            if(IsProfitDecreasing(symbol, ticket, currentProfit))
            {
               shouldClose = true;
               reason = "Profit Retracement Detected";
            }
            
            //--- 如果满足任何反转条件，则关闭交易
            if(shouldClose)
            {
               if(ClosePosition(ticket, symbol, volume, type))
               {
                  Print("Position #", ticket, " closed. Reason: ", reason, 
                        " | Progress to TP: ", DoubleToString(progressToTP, 1), "%",
                        " | Final Profit: ", DoubleToString(currentProfit, 2));
               }
            }
         }
      }
   }
}

//+------------------------------------------------------------------+
//| 检查 RSI 是否有反转信号|
//+------------------------------------------------------------------+
bool CheckRSI_Reversal(string symbol, ulong positionType)
{
   double rsi[];
   ArraySetAsSeries(rsi, true);
   
   int handle = iRSI(symbol, PERIOD_CURRENT, RSIPeriod, PRICE_CLOSE);
   if(CopyBuffer(handle, 0, 0, 3, rsi) > 0)
   {
      // 买入头寸：关注 RSI 是否进入超买并转为下跌
      if(positionType == POSITION_TYPE_BUY)
      {
         if(rsi[0] < rsi[1] && rsi[1] > RSIOverbought)
            return true;
      }
      // 卖出头寸：关注 RSI 是否进入超卖并转为上升
      else
      {
         if(rsi[0] > rsi[1] && rsi[1] < RSI_Oversold)
            return true;
      }
   }
   
   return false;
}

//+------------------------------------------------------------------+
//| 检查蜡烛图反转形态
//+------------------------------------------------------------------+
bool CheckCandlestickReversal(string symbol, ulong positionType)
{
   MqlRates rates[];
   ArraySetAsSeries(rates, true);
   
   if(CopyRates(symbol, PERIOD_CURRENT, 0, 3, rates) > 0)
   {
      // 用于买入头寸的简单看跌反转形态
      if(positionType == POSITION_TYPE_BUY)
      {
         // 检查看跌吞没或射击之星
         if((rates[1].close > rates[1].open && rates[0].close < rates[0].open && 
             rates[0].close < rates[1].open) || // 看跌吞没
            (rates[0].high - MathMax(rates[0].open, rates[0].close) > 
             MathAbs(rates[0].close - rates[0].open) * 2)) // 流星
            return true;
      }
      // 卖出仓位的简单看涨反转形态
      else
      {
         // 检查看涨吞没或锤形
         if((rates[1].close < rates[1].open && rates[0].close > rates[0].open && 
             rates[0].close > rates[1].open) || // 看涨吞没
            (MathMin(rates[0].open, rates[0].close) - rates[0].low > 
             MathAbs(rates[0].close - rates[0].open) * 2)) // 锤子
            return true;
      }
   }
   
   return false;
}

//+------------------------------------------------------------------+
//| 检查移动平均线交叉|
//+------------------------------------------------------------------+
bool CheckMA_Cross(string symbol)
{
   double fastMA[], slowMA[];
   ArraySetAsSeries(fastMA, true);
   ArraySetAsSeries(slowMA, true);
   
   int fast_handle = iMA(symbol, PERIOD_CURRENT, FastMA_Period, 0, MODE_SMA, PRICE_CLOSE);
   int slow_handle = iMA(symbol, PERIOD_CURRENT, SlowMA_Period, 0, MODE_SMA, PRICE_CLOSE);
   
   if(CopyBuffer(fast_handle, 0, 0, 2, fastMA) > 0 && 
      CopyBuffer(slow_handle, 0, 0, 2, slowMA) > 0)
   {
      // 检查看跌交叉（快速 MA 穿过慢速 MA 下方）
      if(fastMA[1] > slowMA[1] && fastMA[0] < slowMA[0])
         return true;
   }
   
   return false;
}

//+------------------------------------------------------------------+
//| 检查利润是否大幅下降
//+------------------------------------------------------------------+
bool IsProfitDecreasing(string symbol, ulong ticket, double currentProfit)
{
   // 在实际执行中，您可能需要跟踪利润历史记录
   // 这是一个简化版本--你可以存储以前的利润值
   // 并比较利润是否减少了一定百分比
   
   // 目前，我们将使用一种基于价格走势的简单方法
   static double lastProfit = 0;
   static ulong lastTicket = 0;
   
   if(lastTicket != ticket)
   {
      lastProfit = currentProfit;
      lastTicket = ticket;
      return false;
   }
   
   // 如果利润从峰值下降 20% 以上
   if(currentProfit < lastProfit * 0.8 && currentProfit > 0)
   {
      return true;
   }
   
   // 如果当前利润较高，则更新上次利润
   if(currentProfit > lastProfit)
   {
      lastProfit = currentProfit;
   }
   
   return false;
}

//+------------------------------------------------------------------+
//| 关闭位置功能|
//+------------------------------------------------------------------+
bool ClosePosition(ulong ticket, string symbol, double volume, ulong type)
{
   MqlTradeRequest request = {1};
   MqlTradeResult result = {0};
   
   request.action = TRADE_ACTION_DEAL;
   request.position = ticket;
   request.symbol = symbol;
   request.volume = volume;
   request.deviation = 10;
   request.comment = "Dynamic Exit";
   
   if(type == POSITION_TYPE_BUY)
   {
      request.type = ORDER_TYPE_SELL;
      request.price = SymbolInfoDouble(symbol, SYMBOL_BID);
   }
   else
   {
      request.type = ORDER_TYPE_BUY;
      request.price = SymbolInfoDouble(symbol, SYMBOL_ASK);
   }
   
   return OrderSend(request, result);
}

//+------------------------------------------------------------------+
//| 退出初始化函数|
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+