From 6d79d81b9bcd73bc547357d89df1122addd4a45a Mon Sep 17 00:00:00 2001 From: Toh4iem9 Date: Thu, 14 Aug 2025 13:23:55 +0200 Subject: [PATCH] new files added --- Indicators/MyIndicators/StochasticSlow.mq5 | 183 +++++++++++++++++++++ 1 file changed, 183 insertions(+) create mode 100644 Indicators/MyIndicators/StochasticSlow.mq5 diff --git a/Indicators/MyIndicators/StochasticSlow.mq5 b/Indicators/MyIndicators/StochasticSlow.mq5 new file mode 100644 index 0000000..27195ad --- /dev/null +++ b/Indicators/MyIndicators/StochasticSlow.mq5 @@ -0,0 +1,183 @@ +//+------------------------------------------------------------------+ +//| StochasticSlow.mq5 | +//| Copyright 2025, xxxxxxxx | +//| | +//+------------------------------------------------------------------+ +#property copyright "Copyright 2025, xxxxxxxx" +#property link "" +#property version "1.00" +#property description "Slow Stochastic Oscillator" + +//--- Indicator Window and Level Properties --- +#property indicator_separate_window +#property indicator_buffers 3 // %K, %D, and Raw %K for calculation +#property indicator_plots 2 +#property indicator_level1 20.0 +#property indicator_level2 80.0 +#property indicator_minimum 0.0 +#property indicator_maximum 100.0 + +//--- 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 InpKPeriod = 5; // %K Period +input int InpDPeriod = 3; // %D Period (signal line smoothing) +input int InpSlowing = 3; // Slowing (initial %K smoothing) + +//--- Indicator Buffers --- +double BufferK[]; // Plotted buffer for the main (Slow) %K line +double BufferD[]; // Plotted buffer for the signal %D line +double BufferRawK[]; // Calculation buffer for raw %K before slowing + +//--- Global Variables --- +int ExtKPeriod, ExtDPeriod, ExtSlowing; + +//--- 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() + { +//--- Validate and store input periods + ExtKPeriod = (InpKPeriod < 1) ? 1 : InpKPeriod; + ExtDPeriod = (InpDPeriod < 1) ? 1 : InpDPeriod; + ExtSlowing = (InpSlowing < 1) ? 1 : InpSlowing; + +//--- Map the buffers and set as non-timeseries + SetIndexBuffer(0, BufferK, INDICATOR_DATA); + SetIndexBuffer(1, BufferD, INDICATOR_DATA); + SetIndexBuffer(2, BufferRawK, INDICATOR_CALCULATIONS); + + ArraySetAsSeries(BufferK, false); + ArraySetAsSeries(BufferD, false); + ArraySetAsSeries(BufferRawK, false); + +//--- Set indicator display properties + IndicatorSetInteger(INDICATOR_DIGITS, 2); + PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, ExtKPeriod + ExtSlowing - 2); + PlotIndexSetInteger(1, PLOT_DRAW_BEGIN, ExtKPeriod + ExtSlowing + ExtDPeriod - 3); + IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("Slow Stoch(%d,%d,%d)", ExtKPeriod, ExtDPeriod, ExtSlowing)); + } + +//+------------------------------------------------------------------+ +//| Slow Stochastic Oscillator 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[]) + { +//--- Check if there is enough historical data + if(rates_total < ExtKPeriod + ExtSlowing + ExtDPeriod) + return(0); + +//--- Main calculation loop, iterating from past to present + for(int i = 0; i < rates_total; i++) + { + //--- STEP 1: Calculate Raw %K --- + if(i >= ExtKPeriod - 1) + { + double highest_high = Highest(high, ExtKPeriod, i); + double lowest_low = Lowest(low, ExtKPeriod, i); + + double range = highest_high - lowest_low; + if(range > 0) + BufferRawK[i] = (close[i] - lowest_low) / range * 100.0; + else + BufferRawK[i] = (i > 0) ? BufferRawK[i-1] : 50.0; + } + else + { + BufferRawK[i] = 0; + } + + //--- STEP 2: Calculate Slow %K (Main Line) by smoothing Raw %K --- + if(i >= ExtKPeriod + ExtSlowing - 2) + { + double sum = 0; + for(int j = 0; j < ExtSlowing; j++) + { + sum += BufferRawK[i-j]; + } + BufferK[i] = sum / ExtSlowing; + } + else + { + BufferK[i] = 0; + } + + //--- STEP 3: Calculate %D (Signal Line) by smoothing Slow %K --- + if(i >= ExtKPeriod + ExtSlowing + ExtDPeriod - 3) + { + double sum = 0; + for(int j = 0; j < ExtDPeriod; j++) + { + sum += BufferK[i-j]; + } + BufferD[i] = sum / ExtDPeriod; + } + else + { + BufferD[i] = 0; + } + } +//--- Return value of prev_calculated for next call + 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); + } +//+------------------------------------------------------------------+ +//+------------------------------------------------------------------+