//+------------------------------------------------------------------+ //| ConsecutiveRSI.mq5 | //| Jay Davis | //| https://www.tidyneat.com | //+------------------------------------------------------------------+ #property copyright "Jay Davis" #property link "https://tidyneat.com" #property version "1.00" #property description "Detect bullish and bearish consecutive candles when entering overbought or oversold territory" #property indicator_separate_window #property indicator_buffers 5 #property indicator_plots 5 //--- drawing iRSI #property indicator_label1 "iRSI" #property indicator_type1 DRAW_LINE #property indicator_color1 clrDodgerBlue #property indicator_style1 STYLE_SOLID #property indicator_width1 1 //--- the Bullish Consecutive OverSold symbol #property indicator_label2 "Bullish_OverSold" #property indicator_type2 DRAW_ARROW #property indicator_color2 clrOrange #property indicator_width2 3 //--- the Bearish OverSold symbol #property indicator_label3 "Bearish OverSold" #property indicator_type3 DRAW_ARROW #property indicator_color3 clrOrange #property indicator_width3 3 //--- the Bullish OverBought symbol #property indicator_label4 "Bullish_OverBought" #property indicator_type4 DRAW_ARROW #property indicator_color4 clrCornflowerBlue #property indicator_width4 3 //--- the Bearish OverBought symbol #property indicator_label5 "Bearish_OverBought" #property indicator_type5 DRAW_ARROW #property indicator_color5 clrCornflowerBlue #property indicator_width5 3 //--- limits for displaying of values in the indicator window #property indicator_maximum 100 #property indicator_minimum 0 //--- horizontal levels in the indicator window #property indicator_level1 70.0 #property indicator_level2 30.0 //--- input parameters input int consecutive=3; // No. of Consecutive candles input string RSI_parameters="==================================="; input int ma_period=14; // period of averaging input int overBought=70; input int overSold=30; input ENUM_APPLIED_PRICE applied_price=PRICE_CLOSE; // type of price input ENUM_TIMEFRAMES period=PERIOD_CURRENT; // timeframe //--- indicator buffer double iRSIBuffer[],bulloversold[],bearoversold[], bulloverbought[],bearoverbought[]; //--- variable for storing the handle of the iRSI indicator int handle; //--- variable for storing string name=_Symbol; //--- name of the indicator on a chart string short_name; //--- we will keep the number of values in the Relative Strength Index indicator int bars_calculated=0; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int OnInit() { //--- set horizontal levels accoring to input overbought and oversold IndicatorSetDouble(INDICATOR_LEVELVALUE,0,overBought); IndicatorSetDouble(INDICATOR_LEVELVALUE,1,overSold); //--- set descriptions of horizontal levels string display="OverBought "+(string) overBought; IndicatorSetString(INDICATOR_LEVELTEXT,0,display); display="OverSold "+(string) overSold; IndicatorSetString(INDICATOR_LEVELTEXT,1,display); //--- assignment of array to indicator buffer SetIndexBuffer(0,iRSIBuffer,INDICATOR_DATA); SetIndexBuffer(1,bulloversold,INDICATOR_DATA); SetIndexBuffer(2,bearoversold,INDICATOR_DATA); SetIndexBuffer(3,bulloverbought,INDICATOR_DATA); SetIndexBuffer(4,bearoverbought,INDICATOR_DATA); PlotIndexSetInteger(1,PLOT_ARROW,246); PlotIndexSetInteger(2,PLOT_ARROW,248); PlotIndexSetInteger(3,PLOT_ARROW,246); PlotIndexSetInteger(4,PLOT_ARROW,248); //--- Set an empty value PlotIndexSetDouble(1,PLOT_EMPTY_VALUE,0); PlotIndexSetDouble(2,PLOT_EMPTY_VALUE,0); PlotIndexSetDouble(3,PLOT_EMPTY_VALUE,0); PlotIndexSetDouble(4,PLOT_EMPTY_VALUE,0); //--- create handle of the indicator handle=iRSI(name,period,ma_period,applied_price); //--- if the handle is not created if(handle==INVALID_HANDLE) { //--- tell about the failure and output the error code PrintFormat("Failed to create handle of the iRSI indicator for the symbol %s/%s, error code %d", name, EnumToString(period), GetLastError()); //--- the indicator is stopped early return(INIT_FAILED); } //--- show the symbol/timeframe the Relative Strength Index indicator is calculated for short_name=StringFormat("iRSI(%s/%s, %d, %d)",name,EnumToString(period), ma_period,applied_price); IndicatorSetString(INDICATOR_SHORTNAME,short_name); //--- normal initialization of the indicator return(INIT_SUCCEEDED); } //+------------------------------------------------------------------+ //| Custom indicator iteration 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[]) { //--- number of values copied from the iRSI indicator int values_to_copy; //--- determine the number of values calculated in the indicator int calculated=BarsCalculated(handle); if(calculated<=0) { PrintFormat("BarsCalculated() returned %d, error code %d",calculated,GetLastError()); return(0); } //--- if it is the first start of calculation of the indicator or if the number of values in the iRSI indicator changed //---or if it is necessary to calculated the indicator for two or more bars (it means something has changed in the price history) if(prev_calculated==0 || calculated!=bars_calculated || rates_total>prev_calculated+1) { //--- if the iRSIBuffer array is greater than the number of values in the iRSI indicator for symbol/period, then we don't copy everything //--- otherwise, we copy less than the size of indicator buffers if(calculated>rates_total) values_to_copy=rates_total; else values_to_copy=calculated; } else { //--- it means that it's not the first time of the indicator calculation, and since the last call of OnCalculate() //--- for calculation not more than one bar is added values_to_copy=(rates_total-prev_calculated)+1; } //--- fill the array with values of the iRSI indicator //--- if FillArrayFromBuffer returns false, it means the information is nor ready yet, quit operation if(!FillArrayFromBuffer(iRSIBuffer,handle,values_to_copy)) return(0); //--- form the message string comm=StringFormat("%s ==> Updated value in the indicator %s: %d", TimeToString(TimeCurrent(),TIME_DATE|TIME_SECONDS), short_name, values_to_copy); //--- display the service message on the chart Comment(comm); //--- memorize the number of values in the Relative Strength Index indicator bars_calculated=calculated; //--- Insert Candle counting logic and fill the buffers ArraySetAsSeries(open,false); ArraySetAsSeries(close,false); int startValue=prev_calculated; if(startValue==0)startValue=consecutive; for(int i=rates_total; i>startValue; i--) { if(i<=rates_total-consecutive) if(iRSIBuffer[i]>overBought && iRSIBuffer[i-1]overSold) { // Check for consecutive candles on oversold cross if(ConsecutiveBulls(i,open,close)) { bulloversold[i]=iRSIBuffer[i]; } else if(ConsecutiveBears(i,open,close)) { bearoversold[i]=iRSIBuffer[i]; } } } //--- return the prev_calculated value for the next call return(rates_total); } //+------------------------------------------------------------------+ //| Filling indicator buffers from the iRSI indicator | //+------------------------------------------------------------------+ bool FillArrayFromBuffer(double &rsi_buffer[], // indicator buffer of Relative Strength Index values int ind_handle, // handle of the iRSI indicator int amount // number of copied values ) { //--- reset error code ResetLastError(); //--- fill a part of the iRSIBuffer array with values from the indicator buffer that has 0 index if(CopyBuffer(ind_handle,0,0,amount,rsi_buffer)<0) { //--- if the copying fails, tell the error code PrintFormat("Failed to copy data from the iRSI indicator, error code %d",GetLastError()); //--- quit with zero result - it means that the indicator is considered as not calculated return(false); } //--- everything is fine return(true); } //+------------------------------------------------------------------+ //| Indicator deinitialization function | //+------------------------------------------------------------------+ void OnDeinit(const int reason) { //--- clear the chart after deleting the indicator Comment(""); } //+------------------------------------------------------------------+ //| produces true is there is a given number of consecutive bulls | //+------------------------------------------------------------------+ bool ConsecutiveBulls(int bar, const double &open[], const double &close[]) { for(int i=0; iclose[bar-i]) { return false; } } return true; } //+------------------------------------------------------------------+ //| produces true if there is a given number fo consecutive bears | //+------------------------------------------------------------------+ bool ConsecutiveBears(int bar, const double &open[], const double &close[]) { for(int i=0; i