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//+------------------------------------------------------------------+
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//| SmartShadowScanner.mq5 |
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//| Advanced Shadow Scanner with 3-Step Checklist Filter |
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//+------------------------------------------------------------------+
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#property copyright "Professional Trader Setup 2026"
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#property version "3.00"
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#property description "Scans for large rejection shadows filtered by Sweep, POI, and Session"
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//--- User Inputs
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input group "=== Base Shadow Settings ==="
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input double ShadowMultiplier = 2.0; // Shadow to Body Multiplier (e.g., 2.0 means shadow is 2x body)
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input double MinRangeATR_Multi = 0.5; // Min Candle Range as ATR Multiplier (0.5 = 50% of ATR)
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input int MinCandleSizePoints = 30; // Min Absolute Candle Size in Points (Filters micro-candles)
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input ENUM_TIMEFRAMES Timeframe = PERIOD_H4; // Timeframe to Analyze
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input group "=== Filter 1: Liquidity Sweep ==="
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input bool EnableSweepFilter = true; // Enable Liquidity Sweep Filter
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input int SwingLookback = 10; // Swing Lookback Period (Left & Right candles)
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input group "=== Filter 2: Point of Interest (POI) ==="
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input bool EnablePOIFilter = true; // Enable POI Filter
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input int POI_ProximityPoints = 50; // Allowed Distance to POI in Points
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input bool CheckPDH_PDL = true; // Check Previous Day High/Low
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input bool CheckOrderBlock = true; // Check Recent Order Blocks
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input group "=== Filter 3: Trading Session ==="
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input bool EnableSessionFilter = true; // Enable Session Time Filter
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input int LondonStartHour = 8; // London Start Hour (Server Time)
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input int LondonEndHour = 12; // London End Hour (Server Time)
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input int NYStartHour = 13; // New York Start Hour (Server Time)
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input int NYEndHour = 18; // New York End Hour (Server Time)
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input group "=== Display & Alert Settings ==="
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input bool DrawArrows = true; // Draw Arrows on Chart
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input bool ShowAlerts = true; // Show Popup Alerts
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input bool SendPush = false; // Send Push Notifications
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input color BullishArrowColor = clrLime; // Bullish Arrow Color (Lower Shadow)
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input color BearishArrowColor = clrRed; // Bearish Arrow Color (Upper Shadow)
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input int ArrowDistancePoints = 10; // Arrow Distance from Shadow Tip (Points)
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//--- Global Variables
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datetime lastBarTime = 0;
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int atrHandle = INVALID_HANDLE;
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//+------------------------------------------------------------------+
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//| Expert initialization function |
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//+------------------------------------------------------------------+
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int OnInit()
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{
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// Initialize ATR indicator handle for volatility filtering
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atrHandle = iATR(_Symbol, Timeframe, 14);
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if(atrHandle == INVALID_HANDLE)
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{
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Print("Error creating ATR indicator handle!");
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return(INIT_FAILED);
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}
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Print("=== Smart Shadow Scanner v3.0 Initialized ===");
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Print("Sweep Filter: ", EnableSweepFilter ? "Enabled" : "Disabled");
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Print("POI Filter: ", EnablePOIFilter ? "Enabled" : "Disabled");
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Print("Session Filter: ", EnableSessionFilter ? "Enabled" : "Disabled");
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return(INIT_SUCCEEDED);
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}
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//+------------------------------------------------------------------+
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//| Expert deinitialization function |
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//+------------------------------------------------------------------+
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void OnDeinit(const int reason)
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{
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// Clean up chart objects and release indicator memory
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ObjectsDeleteAll(0, "ShadowArrow_");
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IndicatorRelease(atrHandle);
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ChartRedraw();
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}
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//+------------------------------------------------------------------+
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//| Expert tick function |
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//+------------------------------------------------------------------+
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void OnTick()
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{
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// Process only on new bar close to avoid redundant calculations
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datetime currentBarTime = iTime(_Symbol, Timeframe, 0);
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if(currentBarTime == lastBarTime) return;
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lastBarTime = currentBarTime;
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// Copy required bars (Need enough history for Swing Lookback)
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int barsNeeded = SwingLookback * 2 + 10;
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MqlRates rates[];
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ArraySetAsSeries(rates, true);
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if(CopyRates(_Symbol, Timeframe, 0, barsNeeded, rates) < barsNeeded) return;
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// Copy ATR value for the closed candle (index 1)
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double atrBuffer[];
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ArraySetAsSeries(atrBuffer, true);
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if(CopyBuffer(atrHandle, 0, 1, 1, atrBuffer) < 1) return;
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double currentATR = atrBuffer[0];
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// Extract OHLC data for the target candle (index 1)
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double openPrice = rates[1].open;
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double highPrice = rates[1].high;
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double lowPrice = rates[1].low;
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double closePrice = rates[1].close;
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datetime barTime = rates[1].time;
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// Calculate candle metrics
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double body = MathAbs(openPrice - closePrice);
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double upperShadow = highPrice - MathMax(openPrice, closePrice);
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double lowerShadow = MathMin(openPrice, closePrice) - lowPrice;
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double totalRange = highPrice - lowPrice;
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// ==========================================
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// Base Filters (Volatility & Size)
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// ==========================================
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// Filter 1: Absolute minimum size (ignores dead-market micro candles)
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if(totalRange < MinCandleSizePoints * _Point) return;
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// Filter 2: Dynamic ATR filter (candle must be at least X% of average range)
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if(totalRange < (currentATR * MinRangeATR_Multi)) return;
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// Identify shadow type
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bool isBullishShadow = (lowerShadow >= (ShadowMultiplier * body) && lowerShadow > upperShadow);
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bool isBearishShadow = (upperShadow >= (ShadowMultiplier * body) && upperShadow > lowerShadow);
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if(!isBullishShadow && !isBearishShadow) return;
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// ==========================================
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// Advanced 3-Step Checklist
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// ==========================================
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bool passedSweep = !EnableSweepFilter || CheckLiquiditySweep(rates, isBullishShadow);
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bool passedPOI = !EnablePOIFilter || CheckNearPOI(rates, isBullishShadow, barTime);
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bool passedSession = !EnableSessionFilter || CheckSession(barTime);
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// Trigger final signal only if ALL enabled filters are passed
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if(passedSweep && passedPOI && passedSession)
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{
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ProcessSignal(isBullishShadow, barTime, isBullishShadow ? lowPrice : highPrice);
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}
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}
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//+------------------------------------------------------------------+
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//| Filter 1: Check for Liquidity Sweep |
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//+------------------------------------------------------------------+
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bool CheckLiquiditySweep(const MqlRates &rates[], bool isBullish)
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{
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int targetIndex = 1; // Target candle is at index 1
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if(isBullish) // For lower shadow, it must have swept a previous Swing Low
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{
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for(int i = targetIndex + 2; i < ArraySize(rates) - SwingLookback; i++)
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{
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if(IsSwingLow(rates, i, SwingLookback))
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{
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double swingLow = rates[i].low;
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// Sweep condition: Wick pierces the swing low, but body closes above it
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if(rates[targetIndex].low < swingLow && rates[targetIndex].close > swingLow)
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{
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return true; // Valid liquidity sweep detected
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}
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}
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}
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}
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else // For upper shadow, it must have swept a previous Swing High
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{
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for(int i = targetIndex + 2; i < ArraySize(rates) - SwingLookback; i++)
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{
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if(IsSwingHigh(rates, i, SwingLookback))
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{
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double swingHigh = rates[i].high;
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// Sweep condition: Wick pierces the swing high, but body closes below it
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if(rates[targetIndex].high > swingHigh && rates[targetIndex].close < swingHigh)
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{
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return true; // Valid liquidity sweep detected
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}
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}
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}
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}
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return false; // No valid sweep found
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}
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//+------------------------------------------------------------------+
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//| Identify Swing High |
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//+------------------------------------------------------------------+
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bool IsSwingHigh(const MqlRates &rates[], int index, int lookback)
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{
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if(index - lookback < 0 || index + lookback >= ArraySize(rates)) return false;
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double high = rates[index].high;
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for(int i = 1; i <= lookback; i++)
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{
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if(rates[index - i].high >= high) return false;
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if(rates[index + i].high >= high) return false;
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}
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return true;
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}
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//+------------------------------------------------------------------+
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//| Identify Swing Low |
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//+------------------------------------------------------------------+
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bool IsSwingLow(const MqlRates &rates[], int index, int lookback)
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{
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if(index - lookback < 0 || index + lookback >= ArraySize(rates)) return false;
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double low = rates[index].low;
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for(int i = 1; i <= lookback; i++)
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{
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if(rates[index - i].low <= low) return false;
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if(rates[index + i].low <= low) return false;
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}
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return true;
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}
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//+------------------------------------------------------------------+
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//| Filter 2: Check Proximity to Point of Interest (POI) |
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//+------------------------------------------------------------------+
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bool CheckNearPOI(const MqlRates &rates[], bool isBullish, datetime barTime)
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{
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double currentPrice = isBullish ? rates[1].low : rates[1].high;
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double proximity = POI_ProximityPoints * _Point;
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// POI Type 1: Previous Day High / Previous Day Low (PDH/PDL)
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if(CheckPDH_PDL)
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{
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MqlRates dayRates[];
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ArraySetAsSeries(dayRates, true);
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// Fetch previous daily candle data
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if(CopyRates(_Symbol, PERIOD_D1, 1, 1, dayRates) >= 1)
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{
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double pdh = dayRates[0].high;
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double pdl = dayRates[0].low;
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if(isBullish && MathAbs(currentPrice - pdl) <= proximity) return true; // Near PDL
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if(!isBullish && MathAbs(currentPrice - pdh) <= proximity) return true; // Near PDH
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}
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}
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// POI Type 2: Recent Order Blocks (OB)
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if(CheckOrderBlock)
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{
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// Scan the last 20 candles for Order Blocks
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for(int i = 2; i < MathMin(20, ArraySize(rates) - 1); i++)
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{
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// Bullish OB: Bearish candle followed by a strong bullish displacement
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if(isBullish && IsBullishOrderBlock(rates, i))
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{
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double obLow = rates[i].low;
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double obHigh = rates[i].high;
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if(currentPrice >= (obLow - proximity) && currentPrice <= (obHigh + proximity))
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return true;
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}
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// Bearish OB: Bullish candle followed by a strong bearish displacement
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if(!isBullish && IsBearishOrderBlock(rates, i))
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{
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double obLow = rates[i].low;
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double obHigh = rates[i].high;
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if(currentPrice >= (obLow - proximity) && currentPrice <= (obHigh + proximity))
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return true;
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}
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}
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}
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return false; // Not near any valid POI
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}
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//+------------------------------------------------------------------+
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//| Identify Bullish Order Block |
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//+------------------------------------------------------------------+
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bool IsBullishOrderBlock(const MqlRates &rates[], int index)
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{
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// Current candle must be bearish
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if(rates[index].close >= rates[index].open) return false;
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if(index - 1 < 0) return false;
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// Next candle (index-1) must be a strong bullish displacement
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double nextBody = MathAbs(rates[index-1].close - rates[index-1].open);
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double nextRange = rates[index-1].high - rates[index-1].low;
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if(rates[index-1].close <= rates[index-1].open) return false; // Must be bullish
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if(nextBody < (nextRange * 0.6)) return false; // Body must be at least 60% of total range
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return true;
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}
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//+------------------------------------------------------------------+
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//| Identify Bearish Order Block |
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//+------------------------------------------------------------------+
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bool IsBearishOrderBlock(const MqlRates &rates[], int index)
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{
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// Current candle must be bullish
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if(rates[index].close <= rates[index].open) return false;
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if(index - 1 < 0) return false;
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// Next candle (index-1) must be a strong bearish displacement
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double nextBody = MathAbs(rates[index-1].close - rates[index-1].open);
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double nextRange = rates[index-1].high - rates[index-1].low;
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if(rates[index-1].close >= rates[index-1].open) return false; // Must be bearish
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if(nextBody < (nextRange * 0.6)) return false;
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return true;
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}
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//+------------------------------------------------------------------+
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//| Filter 3: Check Trading Session Time |
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//+------------------------------------------------------------------+
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bool CheckSession(datetime barTime)
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{
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MqlDateTime dt;
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TimeToStruct(barTime, dt);
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int hour = dt.hour;
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// London Session
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if(hour >= LondonStartHour && hour < LondonEndHour) return true;
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// New York Session
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if(hour >= NYStartHour && hour < NYEndHour) return true;
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return false; // Outside active sessions (e.g., Asian session)
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}
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//+------------------------------------------------------------------+
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//| Process Final Signal (Draw, Alert, Push) |
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//+------------------------------------------------------------------+
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void ProcessSignal(bool isBullish, datetime barTime, double extremePrice)
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{
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string direction = isBullish ? "BULLISH" : "BEARISH";
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string message = StringFormat("✅ Golden %s Signal | %s | Price: %s",
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direction,
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TimeToString(barTime, TIME_DATE|TIME_MINUTES),
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DoubleToString(extremePrice, _Digits));
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// 1. Draw Arrow on Chart
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if(DrawArrows)
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{
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string objName = "ShadowArrow_" + IntegerToString(barTime);
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int arrowCode = isBullish ? 233 : 234; // 233: Up arrow, 234: Down arrow
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color arrowColor = isBullish ? BullishArrowColor : BearishArrowColor;
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double arrowPrice = isBullish ?
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(extremePrice - ArrowDistancePoints * _Point) :
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(extremePrice + ArrowDistancePoints * _Point);
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ObjectCreate(0, objName, OBJ_ARROW, 0, barTime, arrowPrice);
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ObjectSetInteger(0, objName, OBJPROP_ARROWCODE, arrowCode);
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ObjectSetInteger(0, objName, OBJPROP_COLOR, arrowColor);
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ObjectSetInteger(0, objName, OBJPROP_WIDTH, 3);
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ObjectSetInteger(0, objName, OBJPROP_ANCHOR, isBullish ? ANCHOR_TOP : ANCHOR_BOTTOM);
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}
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// 2. Trigger Alerts
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if(ShowAlerts) Alert(message);
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if(SendPush) SendNotification(message);
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// 3. Print to Experts Log
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Print(message);
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}
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//+------------------------------------------------------------------+
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@@ -103,7 +103,7 @@ ENUM_X_SESSION_OVERLAP_TYPE eaAllowedOverlaps[]; // Allowed Overlaps for Analysi
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//
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string eaTag; // EA Scoped Tag ...
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bool isNewBar = false; // EA Is New Bar ...
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bool isEaInNewBar = false; // EA Is New Bar ...
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//
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XCAlert *eaAlert; // EA Scope Alert Handler ...
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@@ -172,7 +172,7 @@ void OnTick()
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//
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// Check if Is New Bar ...
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isNewBar = eaBarTracker.IsNewBar();
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isEaInNewBar = eaBarTracker.IsNewBar();
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//
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// Check Analysis Enabled ...
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@@ -184,7 +184,7 @@ void OnTick()
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{
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//
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// Check New Bar or not ...
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if (!isNewBar)
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if (!isEaInNewBar)
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{
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return;
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}
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Reference in New Issue
Block a user