diff --git a/Indicators/MyIndicators/StochRSI_Slow.mq5 b/Indicators/MyIndicators/StochRSI_Slow.mq5 new file mode 100644 index 0000000..11794b0 --- /dev/null +++ b/Indicators/MyIndicators/StochRSI_Slow.mq5 @@ -0,0 +1,195 @@ +//+------------------------------------------------------------------+ +//| StochRSI_Slow.mq5 | +//| Copyright 2025, xxxxxxxx | +//| | +//+------------------------------------------------------------------+ +#property copyright "Copyright 2025, xxxxxxxx" +#property link "" +#property version "1.01" // Corrected calculation loops to prevent array errors +#property description "Slow Stochastic RSI Oscillator" + +//--- Indicator Window and Level Properties --- +#property indicator_separate_window +#property indicator_buffers 4 // %K, %D, RawK, and RSI buffer +#property indicator_plots 2 +#property indicator_level1 20.0 +#property indicator_level2 80.0 +#property indicator_minimum -10.0 +#property indicator_maximum 110.0 + +//--- Plot 1: %K line (Slow) +#property indicator_label1 "%K" +#property indicator_type1 DRAW_LINE +#property indicator_color1 clrLightSeaGreen +#property indicator_style1 STYLE_SOLID +#property indicator_width1 1 + +//--- Plot 2: %D line (Signal) +#property indicator_label2 "%D" +#property indicator_type2 DRAW_LINE +#property indicator_color2 clrRed +#property indicator_style2 STYLE_DOT +#property indicator_width2 1 + +//--- Input Parameters --- +input int InpLengthRSI = 14; +input int InpLengthStoch = 14; +input int InpSlowing = 3; +input int InpSmoothD = 3; +input ENUM_APPLIED_PRICE InpAppliedPrice = PRICE_CLOSE; + +//--- Indicator Buffers --- +double BufferK[]; +double BufferD[]; +double BufferRSI[]; +double BufferRawStochK[]; + +//--- Global Variables --- +int ExtLengthRSI, ExtLengthStoch, ExtSlowing, ExtSmoothD; +int handle_rsi; + +//--- Forward declarations for helper functions --- +double Highest(const double &array[], int period, int current_pos); +double Lowest(const double &array[], int period, int current_pos); + +//+------------------------------------------------------------------+ +//| Custom indicator initialization function. | +//+------------------------------------------------------------------+ +void OnInit() + { + ExtLengthRSI = (InpLengthRSI < 1) ? 1 : InpLengthRSI; + ExtLengthStoch = (InpLengthStoch < 1) ? 1 : InpLengthStoch; + ExtSlowing = (InpSlowing < 1) ? 1 : InpSlowing; + ExtSmoothD = (InpSmoothD < 1) ? 1 : InpSmoothD; + + SetIndexBuffer(0, BufferK, INDICATOR_DATA); + SetIndexBuffer(1, BufferD, INDICATOR_DATA); + SetIndexBuffer(2, BufferRSI, INDICATOR_CALCULATIONS); + SetIndexBuffer(3, BufferRawStochK, INDICATOR_CALCULATIONS); + + ArraySetAsSeries(BufferK, false); + ArraySetAsSeries(BufferD, false); + ArraySetAsSeries(BufferRSI, false); + ArraySetAsSeries(BufferRawStochK, false); + + handle_rsi = iRSI(_Symbol, _Period, ExtLengthRSI, InpAppliedPrice); + if(handle_rsi == INVALID_HANDLE) + Print("Error creating iRSI handle."); + + IndicatorSetInteger(INDICATOR_DIGITS, 2); + PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, ExtLengthRSI + ExtLengthStoch + ExtSlowing - 3); + PlotIndexSetInteger(1, PLOT_DRAW_BEGIN, ExtLengthRSI + ExtLengthStoch + ExtSlowing + ExtSmoothD - 4); + IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("Slow StochRSI(%d,%d,%d,%d)", ExtLengthRSI, ExtLengthStoch, ExtSlowing, ExtSmoothD)); + } + +//+------------------------------------------------------------------+ +//| Slow Stochastic RSI calculation function. | +//+------------------------------------------------------------------+ +int OnCalculate(const int rates_total, + const int prev_calculated, + const datetime &time[], + const double &open[], + const double &high[], + const double &low[], + const double &close[], + const long &tick_volume[], + const long &volume[], + const int &spread[]) + { + if(rates_total < ExtLengthRSI + ExtLengthStoch) + return(0); + +//--- STEP 1: Get RSI values from the standard indicator + if(BarsCalculated(handle_rsi) < rates_total) + return(0); + if(CopyBuffer(handle_rsi, 0, 0, rates_total, BufferRSI) <= 0) + return(0); + +//--- Main calculation loop + for(int i = 0; i < rates_total; i++) + { + //--- STEP 2: Calculate Raw Stochastic %K on the RSI buffer --- + if(i >= ExtLengthRSI + ExtLengthStoch - 2) + { + double highest_rsi = Highest(BufferRSI, ExtLengthStoch, i); + double lowest_rsi = Lowest(BufferRSI, ExtLengthStoch, i); + + double range = highest_rsi - lowest_rsi; + if(range > 0.00001) + BufferRawStochK[i] = (BufferRSI[i] - lowest_rsi) / range * 100.0; + else + BufferRawStochK[i] = (i > 0) ? BufferRawStochK[i-1] : 50.0; + } + else + { + BufferRawStochK[i] = 0; + } + + //--- STEP 3: Calculate Slow %K (Main Line) by smoothing Raw %K --- + if(i >= ExtLengthRSI + ExtLengthStoch + ExtSlowing - 3) + { + double sum = 0; + for(int j = 0; j < ExtSlowing; j++) + { + sum += BufferRawStochK[i-j]; + } + BufferK[i] = sum / ExtSlowing; + } + else + { + BufferK[i] = 0; + } + + //--- STEP 4: Calculate %D (Signal Line) by smoothing Slow %K --- + if(i >= ExtLengthRSI + ExtLengthStoch + ExtSlowing + ExtSmoothD - 4) + { + double sum = 0; + for(int j = 0; j < ExtSmoothD; j++) + { + sum += BufferK[i-j]; + } + BufferD[i] = sum / ExtSmoothD; + } + else + { + BufferD[i] = 0; + } + } + return(rates_total); + } + +//+------------------------------------------------------------------+ +//| Finds the highest value in a given period of an array. | +//+------------------------------------------------------------------+ +double Highest(const double &array[], int period, int current_pos) + { + double res = array[current_pos]; + for(int i = 1; i < period; i++) + { + int index = current_pos - i; + if(index < 0) + break; + if(res < array[index]) + res = array[index]; + } + return(res); + } + +//+------------------------------------------------------------------+ +//| Finds the lowest value in a given period of an array. | +//+------------------------------------------------------------------+ +double Lowest(const double &array[], int period, int current_pos) + { + double res = array[current_pos]; + for(int i = 1; i < period; i++) + { + int index = current_pos - i; + if(index < 0) + break; + if(res > array[index]) + res = array[index]; + } + return(res); + } +//+------------------------------------------------------------------+ +//+------------------------------------------------------------------+