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Topic: PSAR

//|                                                 EA-PSAR_v1-0.mq4 |
//|                                                    Luca Spinello |

#property copyright     "Luca Spinello -"
#property version       "1.00"
#property strict
#property description   "This Expert Advisor opens orders when the PSAR changes from above to below the price or vice versa"
#property description   " "
#property description   "DISCLAIMER: This code comes with no guarantee, you can use it at your own risk"
#property description   "We recommend to test it first on a Demo Account"

ENTRY BUY: PSAR changes from above the previous bar to below the current bar
ENTRY SELL: PSAR changes from below the previous bar to above the current bar
EXIT: Take profit or trailing stop using PSAR

extern double LotSize=0.1;             //Position size

extern double StopLoss=20;             //Stop loss in pips
extern double TakeProfit=500;          //Take profit in pips

extern int Slippage=2;                 //Slippage in pips

extern bool TradeEnabled=true;         //Enable trade

extern double PSARStep=0.2;            //PSAR Step         
extern double PSARMaxStep=0.02;        //PSAR Max Step

extern int MagicNumber=11223344;       //Magic Number to assign to the orders

//Functional variables
double ePoint;                         //Point normalized

bool CanOrder;                         //Check for risk management
bool CanOpenBuy;                       //Flag if there are buy orders open
bool CanOpenSell;                      //Flag if there are sell orders open

int OrderOpRetry=10;                   //Number of attempts to perform a trade operation
int SleepSecs=3;                       //Seconds to sleep if can't order
int MinBars=60;                        //Minimum bars in the graph to enable trading

//Functional variables to determine prices
double MinSL;
double MaxSL;
double TP;
double SL;
double Spread;
int Slip; 

//Variable initialization function
void Initialize(){          
   if (MathMod(Digits,2)==1){

//Check if orders can be submitted
void CheckCanOrder(){            
   if( Bars<MinBars ){
      Print("INFO - Not enough Bars to trade");

//Check if there are open orders and what type
void OrdersOpen(){
   for( int i = 0 ; i < OrdersTotal() ; i++ ) {
      if( OrderSelect( i, SELECT_BY_POS, MODE_TRADES ) == false ) {
         Print("ERROR - Unable to select the order - ",GetLastError());
      if( OrderSymbol()==Symbol() && OrderType() == OP_BUY) CanOpenBuy=false;
      if( OrderSymbol()==Symbol() && OrderType() == OP_SELL) CanOpenSell=false;

//Close all the orders of a specific type and current symbol
void CloseAll(int Command){
   double ClosePrice=0;
   for( int i = 0 ; i < OrdersTotal() ; i++ ) {
      if( OrderSelect( i, SELECT_BY_POS, MODE_TRADES ) == false ) {
         Print("ERROR - Unable to select the order - ",GetLastError());
      if( OrderSymbol()==Symbol() && OrderType()==Command) {
         if(Command==OP_BUY) ClosePrice=Bid;
         if(Command==OP_SELL) ClosePrice=Ask;
         double Lots=OrderLots();
         int Ticket=OrderTicket();
         for(int j=1; j<OrderOpRetry; j++){
            bool res=OrderClose(Ticket,Lots,ClosePrice,Slip,Red);
               Print("TRADE - CLOSE - Order ",Ticket," closed at price ",ClosePrice);
            else Print("ERROR - CLOSE - error closing order ",Ticket," return error: ",GetLastError());

//Open new order of a given type
void OpenNew(int Command){
   double OpenPrice=0;
   double SLPrice;
   double TPPrice;
   for(int i=1; i<OrderOpRetry; i++){
      int res=OrderSend(Symbol(),Command,LotSize,OpenPrice,Slip,NormalizeDouble(SLPrice,Digits),NormalizeDouble(TPPrice,Digits),"",MagicNumber,0,Green);
         Print("TRADE - NEW - Order ",res," submitted: Command ",Command," Volume ",LotSize," Open ",OpenPrice," Slippage ",Slip," Stop ",SLPrice," Take ",TPPrice);
      else Print("ERROR - NEW - error sending order, return error: ",GetLastError());

//Technical analysis of the indicators
bool CrossToOpenBuy=false;
bool CrossToOpenSell=false;

void CheckPSARCross(){
   double PSARCurr=iSAR(Symbol(),0,PSARStep,PSARMaxStep,0);
   double PSARPrev=iSAR(Symbol(),0,PSARStep,PSARMaxStep,1);
   if(PSARCurr<Close[0] && PSARPrev>Close[1]){
   if(PSARCurr>Close[0] && PSARPrev<Close[1]){

//Trailing Stop with PSAR
void UpdatePositions(){

   //Scan the open orders backwards
   for(int i=OrdersTotal()-1; i>=0; i--){
      //Select the order, if not selected print the error and continue with the next index
      if( OrderSelect( i, SELECT_BY_POS, MODE_TRADES ) == false ) {
         Print("ERROR - Unable to select the order - ",GetLastError());
      //Check if the order can be modified matching the criteria, if criteria not matched skip to the next
      if(OrderSymbol()!=Symbol()) continue;
      if(OrderMagicNumber()!=MagicNumber) continue;
      //Prepare the prices
      double TakeProfitPrice=OrderTakeProfit();
      double StopLossPrice=OrderStopLoss();
      double OpenPrice=OrderOpenPrice();
      double NewStopLossPrice=StopLossPrice;
      double NewTakeProfitPrice=TakeProfitPrice;
      //PSAR Value of the current symbol, current time frame , PSARStep, PSARMaxStep, previous candle
      double PSARPrice=iSAR(Symbol(),0,PSARStep,PSARMaxStep,1);
      //Get updated prices and calculate the new Stop Loss and Take Profit levels, these depends on the type of order
         if(PSARPrice>StopLossPrice && PSARPrice<Close[1] && PSARPrice<TakeProfitPrice){
         if(PSARPrice<StopLossPrice && PSARPrice>Close[1] && PSARPrice>TakeProfitPrice){
      //If the new Stop Loss and Take Profit Levels are different from the previous then I try to update the order
         Print("Modifying order ",OrderTicket()," Open Price ",OpenPrice," New Stop Loss ",NewStopLossPrice," New Take Profit ",NewTakeProfitPrice);
            Print("Order modified");
            Print("Order failed to update with error - ",GetLastError());


//| Expert initialization function                                   |
int OnInit()
//| Expert deinitialization function                                 |
void OnDeinit(const int reason)
//| Expert tick function                                             |
void OnTick()
   //Calling initialization, checks and technical analysis
   //Check of Entry/Exit signal with operations to perform
      if(CanOpenBuy && CanOrder) OpenNew(OP_BUY);
      if(CanOpenSell && CanOrder) OpenNew(OP_SELL);

Post's attachments

EA-PSAR_v1-0.ex4 15.2 kb, 36 downloads since 2017-12-13 


Thanked for the post: jozmik

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li will check this, thank you very much, i have some eas, i will post here, thank you for all information, see you later, thank you very much


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