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profitable-expert-advisor/lab/EAs/EMAPriceSlope.mq5
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2026-04-01 05:40:17 +02:00

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//+------------------------------------------------------------------+
//| EMAPriceSlope.mq5 |
//| Copyright 2025, MetaQuotes Ltd. |
//| https://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2025, MetaQuotes Ltd."
#property link "https://www.mql5.com"
#property version "1.00"
#property description "Expert Advisor using EMA Slope for intelligent trend trading"
#property description "Trades based on EMA momentum, slope strength, and price confirmation"
#include <Trade\Trade.mqh>
//--- Input parameters
input group "Timeframe Settings"
input ENUM_TIMEFRAMES InpTimeframe = PERIOD_M15; // Trading Timeframe
input group "EMA Settings"
input int InpEMAPeriod = 20; // EMA Period
input int InpSlopeBars = 3; // Slope Calculation Bars (lookback for slope)
input group "Slope Trading Logic"
input double InpMinSlopeStrength = 0.0001; // Minimum Slope Strength (0.01% per bar)
input bool InpUseSlopeAcceleration = true; // Require slope acceleration (increasing momentum)
input double InpMinAcceleration = 0.00005; // Minimum Acceleration Threshold
input bool InpUsePriceConfirmation = true; // Require price above/below EMA for confirmation
input double InpPriceDistanceMultiplier = 0.5; // Price distance from EMA (ATR multiplier)
input group "Entry Filters"
input bool InpUseVolatilityFilter = true; // Use ATR volatility filter
input double InpMinATR = 0.0002; // Minimum ATR for trading (filter low volatility)
input double InpMaxATR = 0.01; // Maximum ATR for trading (filter high volatility)
input bool InpUseRSIFilter = false; // Use RSI filter
input int InpRSIPeriod = 14; // RSI Period
input double InpRSIOverbought = 70; // RSI Overbought (avoid longs)
input double InpRSIOversold = 30; // RSI Oversold (avoid shorts)
input group "Trading Hours (Server Time)"
input int InpStartHour = 8; // Trading Start Hour (0-23)
input int InpEndHour = 18; // Trading End Hour (0-23)
input bool InpUseTimeFilter = true; // Use Trading Hours Filter
input group "Risk Management"
input double InpLotSize = 0.01; // Lot Size
input int InpStopLoss = 50; // Stop Loss (pips) - 0 = no SL
input int InpTakeProfit = 100; // Take Profit (pips) - 0 = no TP
input bool InpUseTrailingStop = true; // Use Trailing Stop
input int InpTrailingStop = 30; // Trailing Stop (pips)
input int InpTrailingStep = 5; // Trailing Step (pips)
input int InpMagicNumber = 890123; // Magic Number
input int InpSlippage = 3; // Slippage (points)
input group "Exit Strategy"
input bool InpUseSlopeReversalExit = true; // Exit on slope reversal
input double InpSlopeReversalThreshold = -0.00005; // Slope reversal threshold (negative slope for long exit)
input bool InpUseEMAExit = false; // Exit when price crosses EMA
input group "Loss Minimization"
input bool InpUseMaxDailyLoss = true; // Use Max Daily Loss
input double InpMaxDailyLoss = 50.0; // Max Daily Loss (USD)
//--- Global variables
CTrade trade;
int ema_handle;
int atr_handle;
int rsi_handle;
datetime last_bar_time = 0;
double daily_profit = 0.0;
datetime last_daily_reset = 0;
double last_profit = 0.0;
double last_slope = 0.0;
//+------------------------------------------------------------------+
//| Expert initialization function |
//+------------------------------------------------------------------+
int OnInit()
{
// Set trade parameters
trade.SetExpertMagicNumber(InpMagicNumber);
trade.SetDeviationInPoints(InpSlippage);
trade.SetTypeFilling(ORDER_FILLING_FOK);
// Create indicators
ema_handle = iMA(_Symbol, InpTimeframe, InpEMAPeriod, 0, MODE_EMA, PRICE_CLOSE);
if(InpUseVolatilityFilter)
{
atr_handle = iATR(_Symbol, InpTimeframe, 14);
if(atr_handle == INVALID_HANDLE)
{
Print("ERROR: Failed to create ATR indicator");
return(INIT_FAILED);
}
}
if(InpUseRSIFilter)
{
rsi_handle = iRSI(_Symbol, InpTimeframe, InpRSIPeriod, PRICE_CLOSE);
if(rsi_handle == INVALID_HANDLE)
{
Print("ERROR: Failed to create RSI indicator");
return(INIT_FAILED);
}
}
if(ema_handle == INVALID_HANDLE)
{
Print("ERROR: Failed to create EMA indicator");
return(INIT_FAILED);
}
// Initialize daily tracking
last_daily_reset = TimeCurrent();
daily_profit = 0.0;
Print("EMAPriceSlope EA initialized for ", _Symbol);
Print("Timeframe: ", EnumToString(InpTimeframe));
Print("EMA Period: ", InpEMAPeriod, " Slope Bars: ", InpSlopeBars);
Print("Min Slope Strength: ", InpMinSlopeStrength);
Print("Trading Hours: ", InpStartHour, ":00 - ", InpEndHour, ":00");
return(INIT_SUCCEEDED);
}
//+------------------------------------------------------------------+
//| Expert deinitialization function |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
{
// Release indicators
if(ema_handle != INVALID_HANDLE)
IndicatorRelease(ema_handle);
if(atr_handle != INVALID_HANDLE)
IndicatorRelease(atr_handle);
if(rsi_handle != INVALID_HANDLE)
IndicatorRelease(rsi_handle);
}
//+------------------------------------------------------------------+
//| Expert tick function |
//+------------------------------------------------------------------+
void OnTick()
{
// Check if new bar on the specified timeframe
datetime current_bar_time = iTime(_Symbol, InpTimeframe, 0);
if(current_bar_time == last_bar_time)
{
// Still same bar - only manage existing positions
ManagePosition();
return;
}
last_bar_time = current_bar_time;
// Reset daily profit at midnight
MqlDateTime dt;
TimeToStruct(TimeCurrent(), dt);
MqlDateTime last_dt;
TimeToStruct(last_daily_reset, last_dt);
bool is_new_day = (dt.day != last_dt.day || dt.month != last_dt.month || dt.year != last_dt.year);
if(is_new_day)
{
daily_profit = 0.0;
last_daily_reset = TimeCurrent();
Print("Daily reset: New trading day started. Daily profit reset to 0.");
}
// Check daily loss limit
if(InpUseMaxDailyLoss && daily_profit <= -InpMaxDailyLoss)
{
Print("Daily loss limit reached: ", daily_profit, " USD. Trading stopped for today.");
return;
}
// Check trading hours
if(InpUseTimeFilter && !IsWithinTradingHours())
{
return; // Outside trading hours
}
// Get EMA values for slope calculation
double ema[];
ArraySetAsSeries(ema, true);
// Need enough bars for slope calculation
int bars_needed = InpSlopeBars + 5;
if(CopyBuffer(ema_handle, 0, 0, bars_needed, ema) < bars_needed)
{
Print("ERROR: Failed to copy EMA buffer");
return;
}
// Calculate EMA slope (rate of change)
double current_ema = ema[0];
double previous_ema = ema[InpSlopeBars];
double slope = (current_ema - previous_ema) / previous_ema; // Percentage change
// Calculate slope acceleration (change in slope)
double previous_slope = last_slope;
double acceleration = 0.0;
if(previous_slope != 0.0)
{
acceleration = slope - previous_slope;
}
last_slope = slope;
// Get current price
double current_price = iClose(_Symbol, InpTimeframe, 0);
double price_distance_from_ema = MathAbs(current_price - current_ema) / current_ema;
// Get ATR for volatility filter
double atr_value = 0.0;
if(InpUseVolatilityFilter)
{
double atr_array[];
ArraySetAsSeries(atr_array, true);
if(CopyBuffer(atr_handle, 0, 0, 1, atr_array) > 0)
{
atr_value = atr_array[0];
}
}
// Get RSI for filter
double rsi_value = 50.0;
if(InpUseRSIFilter)
{
double rsi_array[];
ArraySetAsSeries(rsi_array, true);
if(CopyBuffer(rsi_handle, 0, 0, 1, rsi_array) > 0)
{
rsi_value = rsi_array[0];
}
}
// Check existing position
if(PositionSelect(_Symbol))
{
ManagePosition();
// Check exit conditions
long position_type = PositionGetInteger(POSITION_TYPE);
// Exit on slope reversal
if(InpUseSlopeReversalExit)
{
if(position_type == POSITION_TYPE_BUY && slope < InpSlopeReversalThreshold)
{
// Long position: exit on negative slope reversal
if(trade.PositionClose(_Symbol))
{
Print("Position closed: Slope reversal (slope=", slope, ")");
}
return;
}
else if(position_type == POSITION_TYPE_SELL && slope > -InpSlopeReversalThreshold)
{
// Short position: exit on positive slope reversal
if(trade.PositionClose(_Symbol))
{
Print("Position closed: Slope reversal (slope=", slope, ")");
}
return;
}
}
// Exit when price crosses EMA (if enabled)
if(InpUseEMAExit)
{
double prev_price = iClose(_Symbol, InpTimeframe, 1);
if(position_type == POSITION_TYPE_BUY && current_price < current_ema && prev_price >= ema[1])
{
if(trade.PositionClose(_Symbol))
{
Print("Position closed: Price crossed below EMA");
}
return;
}
else if(position_type == POSITION_TYPE_SELL && current_price > current_ema && prev_price <= ema[1])
{
if(trade.PositionClose(_Symbol))
{
Print("Position closed: Price crossed above EMA");
}
return;
}
}
}
else
{
// No position - check for entry signals
// Volatility filter
if(InpUseVolatilityFilter && atr_value > 0)
{
if(atr_value < InpMinATR || atr_value > InpMaxATR)
{
return; // Volatility out of range
}
}
// RSI filter
if(InpUseRSIFilter)
{
if(rsi_value > InpRSIOverbought || rsi_value < InpRSIOversold)
{
return; // RSI in extreme zone
}
}
// BUY Signal: Positive slope with strength
bool buy_signal = false;
if(slope > InpMinSlopeStrength)
{
// Check acceleration (if enabled)
if(InpUseSlopeAcceleration)
{
if(acceleration > InpMinAcceleration)
{
buy_signal = true;
}
}
else
{
buy_signal = true;
}
// Price confirmation (if enabled)
if(buy_signal && InpUsePriceConfirmation)
{
double min_distance = atr_value * InpPriceDistanceMultiplier / current_price;
if(price_distance_from_ema < min_distance || current_price < current_ema)
{
buy_signal = false; // Price too close to EMA or below EMA
}
}
// RSI filter for buy
if(buy_signal && InpUseRSIFilter && rsi_value > InpRSIOverbought)
{
buy_signal = false;
}
}
// SELL Signal: Negative slope with strength
bool sell_signal = false;
if(slope < -InpMinSlopeStrength)
{
// Check acceleration (if enabled)
if(InpUseSlopeAcceleration)
{
if(acceleration < -InpMinAcceleration)
{
sell_signal = true;
}
}
else
{
sell_signal = true;
}
// Price confirmation (if enabled)
if(sell_signal && InpUsePriceConfirmation)
{
double min_distance = atr_value * InpPriceDistanceMultiplier / current_price;
if(price_distance_from_ema < min_distance || current_price > current_ema)
{
sell_signal = false; // Price too close to EMA or above EMA
}
}
// RSI filter for sell
if(sell_signal && InpUseRSIFilter && rsi_value < InpRSIOversold)
{
sell_signal = false;
}
}
// Execute trades
if(buy_signal)
{
Print("BUY Signal: Slope=", slope, " Acceleration=", acceleration, " Price=", current_price);
OpenBuyPosition();
}
else if(sell_signal)
{
Print("SELL Signal: Slope=", slope, " Acceleration=", acceleration, " Price=", current_price);
OpenSellPosition();
}
}
}
//+------------------------------------------------------------------+
//| Check if current time is within trading hours |
//+------------------------------------------------------------------+
bool IsWithinTradingHours()
{
MqlDateTime dt;
TimeToStruct(TimeCurrent(), dt);
int current_hour = dt.hour;
// Handle case where end hour is before start hour (overnight)
if(InpEndHour < InpStartHour)
{
return (current_hour >= InpStartHour || current_hour < InpEndHour);
}
else
{
return (current_hour >= InpStartHour && current_hour < InpEndHour);
}
}
//+------------------------------------------------------------------+
//| Open buy position |
//+------------------------------------------------------------------+
void OpenBuyPosition()
{
double price = SymbolInfoDouble(_Symbol, SYMBOL_ASK);
double sl = 0.0;
double tp = 0.0;
if(InpStopLoss > 0)
{
sl = price - InpStopLoss * _Point * 10;
}
if(InpTakeProfit > 0)
{
tp = price + InpTakeProfit * _Point * 10;
}
// Validate stops
int stop_level = (int)SymbolInfoInteger(_Symbol, SYMBOL_TRADE_STOPS_LEVEL);
double point = SymbolInfoDouble(_Symbol, SYMBOL_POINT);
double min_stop = stop_level * point;
if(sl > 0 && (price - sl) < min_stop)
sl = price - min_stop;
if(tp > 0 && (tp - price) < min_stop)
tp = price + min_stop;
if(trade.Buy(InpLotSize, _Symbol, price, sl, tp, "EMA Slope Buy"))
{
Print("Buy order opened at ", price, " SL: ", sl, " TP: ", tp);
}
else
{
Print("Failed to open buy order: ", trade.ResultRetcodeDescription());
}
}
//+------------------------------------------------------------------+
//| Open sell position |
//+------------------------------------------------------------------+
void OpenSellPosition()
{
double price = SymbolInfoDouble(_Symbol, SYMBOL_BID);
double sl = 0.0;
double tp = 0.0;
if(InpStopLoss > 0)
{
sl = price + InpStopLoss * _Point * 10;
}
if(InpTakeProfit > 0)
{
tp = price - InpTakeProfit * _Point * 10;
}
// Validate stops
int stop_level = (int)SymbolInfoInteger(_Symbol, SYMBOL_TRADE_STOPS_LEVEL);
double point = SymbolInfoDouble(_Symbol, SYMBOL_POINT);
double min_stop = stop_level * point;
if(sl > 0 && (sl - price) < min_stop)
sl = price + min_stop;
if(tp > 0 && (price - tp) < min_stop)
tp = price - min_stop;
if(trade.Sell(InpLotSize, _Symbol, price, sl, tp, "EMA Slope Sell"))
{
Print("Sell order opened at ", price, " SL: ", sl, " TP: ", tp);
}
else
{
Print("Failed to open sell order: ", trade.ResultRetcodeDescription());
}
}
//+------------------------------------------------------------------+
//| Manage existing position |
//+------------------------------------------------------------------+
void ManagePosition()
{
if(!PositionSelect(_Symbol))
return;
// Update daily profit
double current_profit = PositionGetDouble(POSITION_PROFIT);
if(current_profit != last_profit)
{
daily_profit += (current_profit - last_profit);
last_profit = current_profit;
}
// Apply trailing stop
if(InpUseTrailingStop && InpTrailingStop > 0)
{
ApplyTrailingStop();
}
}
//+------------------------------------------------------------------+
//| Apply trailing stop |
//+------------------------------------------------------------------+
void ApplyTrailingStop()
{
if(!PositionSelect(_Symbol))
return;
double position_sl = PositionGetDouble(POSITION_SL);
double position_tp = PositionGetDouble(POSITION_TP);
long position_type = PositionGetInteger(POSITION_TYPE);
double current_price = (position_type == POSITION_TYPE_BUY) ?
SymbolInfoDouble(_Symbol, SYMBOL_BID) :
SymbolInfoDouble(_Symbol, SYMBOL_ASK);
double trailing_distance = InpTrailingStop * _Point * 10;
double new_sl = 0;
if(position_type == POSITION_TYPE_BUY)
{
new_sl = current_price - trailing_distance;
if(new_sl > position_sl && new_sl < current_price)
{
// Check trailing step
if(position_sl == 0 || (new_sl - position_sl) >= InpTrailingStep * _Point * 10)
{
if(trade.PositionModify(_Symbol, new_sl, position_tp))
{
Print("Trailing stop updated: New SL=", new_sl);
}
}
}
}
else if(position_type == POSITION_TYPE_SELL)
{
new_sl = current_price + trailing_distance;
if((position_sl == 0 || new_sl < position_sl) && new_sl > current_price)
{
// Check trailing step
if(position_sl == 0 || (position_sl - new_sl) >= InpTrailingStep * _Point * 10)
{
if(trade.PositionModify(_Symbol, new_sl, position_tp))
{
Print("Trailing stop updated: New SL=", new_sl);
}
}
}
}
}