Need help in resolving this error code for EA: '{' - unbalanced parenthesis

Yvan Tarong 2024.01.18 09:32


// Define input parameters
input int fastEMA = 12;
input int slowEMA = 26;
input int signalEMA = 9;
input double lotSize = 0.1;
input double riskPercentage = 2.0; // Percentage of capital risk per trade
input int slippage = 3;

// Define variables
double macdCurrent, signalCurrent, macdPrevious, signalPrevious;
double macdHistogramCurrent, macdHistogramPrevious;
int ticket;

// Define MACD parameters
int OnTick() 

{

// Define MACD arrays
double macdCurrent[];
double signalCurrent[];
double macdPrevious[];
double signalPrevious[];

// Calculate MACD values
ArraySetAsSeries(macdCurrent, true);
ArraySetAsSeries(signalCurrent, true);
ArraySetAsSeries(macdPrevious, true);
ArraySetAsSeries(signalPrevious, true);

int calculateBars = 1; // The number of bars to calculate MACD for

CopyBuffer(_Symbol, _Period, fastEMA, calculateBars, 0, macdCurrent);
CopyBuffer(_Symbol, _Period, slowEMA, calculateBars, 0, macdPrevious);
CopyBuffer(_Symbol, _Period, signalEMA, calculateBars, 0, signalCurrent);
CopyBuffer(_Symbol, _Period, signalEMA, calculateBars, 0, signalPrevious);

// Calculate MACD Histogram values
macdHistogramCurrent = macdCurrent[0] - signalCurrent[0];
macdHistogramPrevious = macdPrevious[0] - signalPrevious[0];
    // Get Bid and Ask prices
    double bid = SymbolInfoDouble(_Symbol, SYMBOL_BID);
    double ask = SymbolInfoDouble(_Symbol, SYMBOL_ASK);

    // Calculate risk based on 90% of the previous candle body size and 2% of capital
    double capital = AccountFreeMarginCheck(_Symbol, OP_BUY, lotSize);
    double riskAmount = NormalizeDouble(capital * riskPercentage / 100.0, Digits);
    double candleBodySize = MathAbs(iClose(_Symbol, _Period, 1) - iOpen(_Symbol, _Period, 1));
    int stopLossPips = int(candleBodySize * 0.90 / Point);

    // Check for the first rising MACD Histogram from the previous falling histogram
    if (macdHistogramCurrent > 0 && macdHistogramPrevious <= 0) 
    {
        // Place Buy order
        MqlTradeRequest request = {0};
        MqlTradeResult result = {0};

        request.action = TRADE_ACTION_DEAL_BUY;
        request.symbol = _Symbol;
        request.volume = lotSize;
        request.type = ORDER_BUY;
        request.price = ask; // Use ask price for Buy orders
        request.sl = ask - stopLossPips * Point; // Set your stop loss
        request.tp = ask + stopLossPips * Point * 2; // Set your take profit
        request.deviation = slippage;

        if (OrderSend(request, result)) 
        {
            // Order was successful
            // Additional logic can be added here
        }
    }

    // Check for the first falling MACD Histogram from the previous rising histogram
    if (macdHistogramCurrent < 0 && macdHistogramPrevious >= 0) {
        // Place Sell order
        MqlTradeRequest request = {0};
        MqlTradeResult result = {0};

        request.action = TRADE_ACTION_DEAL_SELL;
        request.symbol = _Symbol;
        request.volume = lotSize;
        request.type = ORDER_SELL;
        request.price = bid; // Use bid price for Sell orders
        request.sl = bid + stopLossPips * Point; // Set your stop loss
        request.tp = bid - stopLossPips * Point (* 2; // Set your take profit
        request.deviation = slippage;

      if (OrderSend(request, result)) 
{ // Order was successful
    // Additional logic can be added here
}

    return(0);}
// Define input parameters input int fastEMA = 12; input int slowEMA = 26; input int signalEMA = 9; input double lotSize = 0.1; input double riskPercentage = 2.0; // Percentage of capital risk per trade input int slippage = 3; // Define variables double macdCurrent, signalCurrent, macdPrevious, signalPrevious; double macdHistogramCurrent, macdHistogramPrevious; int ticket; // Define MACD parameters int OnTick() { // Define MACD arrays double macdCurrent[]; double signalCurrent[]; double macdPrevious[]; double signalPrevious[]; // Calculate MACD values ArraySetAsSeries(macdCurrent, true); ArraySetAsSeries(signalCurrent, true); ArraySetAsSeries(macdPrevious, true); ArraySetAsSeries(signalPrevious, true); int calculateBars = 1; // The number of bars to calculate MACD for CopyBuffer(_Symbol, _Period, fastEMA, calculateBars, 0, macdCurrent); CopyBuffer(_Symbol, _Period, slowEMA, calculateBars, 0, macdPrevious); CopyBuffer(_Symbol, _Period, signalEMA, calculateBars, 0, signalCurrent); CopyBuffer(_Symbol, _Period, signalEMA, calculateBars, 0, signalPrevious); // Calculate MACD Histogram values macdHistogramCurrent = macdCurrent[0] - signalCurrent[0]; macdHistogramPrevious = macdPrevious[0] - signalPrevious[0];     // Get Bid and Ask prices     double bid = SymbolInfoDouble(_Symbol, SYMBOL_BID);     double ask = SymbolInfoDouble(_Symbol, SYMBOL_ASK);     // Calculate risk based on 90% of the previous candle body size and 2% of capital     double capital = AccountFreeMarginCheck(_Symbol, OP_BUY, lotSize);     double riskAmount = NormalizeDouble(capital * riskPercentage / 100.0, Digits);     double candleBodySize = MathAbs(iClose(_Symbol, _Period, 1) - iOpen(_Symbol, _Period, 1));     int stopLossPips = int(candleBodySize * 0.90 / Point);     // Check for the first rising MACD Histogram from the previous falling histogram     if (macdHistogramCurrent > 0 && macdHistogramPrevious <= 0)     {         // Place Buy order         MqlTradeRequest request = {0};         MqlTradeResult result = {0};         request.action = TRADE_ACTION_DEAL_BUY;         request.symbol = _Symbol;         request.volume = lotSize;         request.type = ORDER_BUY;         request.price = ask; // Use ask price for Buy orders         request.sl = ask - stopLossPips * Point; // Set your stop loss         request.tp = ask + stopLossPips * Point * 2; // Set your take profit         request.deviation = slippage;         if (OrderSend(request, result))         {             // Order was successful             // Additional logic can be added here         }     }     // Check for the first falling MACD Histogram from the previous rising histogram     if (macdHistogramCurrent < 0 && macdHistogramPrevious >= 0) {         // Place Sell order         MqlTradeRequest request = {0};         MqlTradeResult result = {0};         request.action = TRADE_ACTION_DEAL_SELL;         request.symbol = _Symbol;         request.volume = lotSize;         request.type = ORDER_SELL;         request.price = bid; // Use bid price for Sell orders         request.sl = bid + stopLossPips * Point; // Set your stop loss         request.tp = bid - stopLossPips * Point (* 2; // Set your take profit         request.deviation = slippage;       if (OrderSend(request, result)) { // Order was successful     // Additional logic can be added here }     return(0);}

Mahdi Ebrahimzadeh 2024.01.18 09:42 #1

Yvan Tarong:
Point (* 2

send code through CODE button

Yvan Tarong 2024.01.18 09:58 #2

Done, Sir.

Mahdi Ebrahimzadeh #:

send code through CODE button

Mahdi Ebrahimzadeh 2024.01.18 10:04 #3

Yvan Tarong:
request.tp = bid - stopLossPips * Point (* 2; // Set your take profit

I replied on error on your code.

put an extra parentheses end of Point( like Point()

Yvan Tarong 2024.01.18 10:07 #4

Here is my parameter for this EA. I hope someone with a good heart to help me finish this work:

li.li1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 13.0px 'Helvetica Neue'} ol.ol1 {list-style-type: decimal}

Pair: EURUSD
Timeframe: 30mins
Using the MACD indicator
Entry Order (Buy and Sell) execution at the open of the current candle based on these conditions:

Set Buy Order after the first Rising Histogram (from previous falling histogram)
Set Sell Order after the first Falling Histogram (from previous rising histogram)

Execute Stop Loss parameter at the 5 pips lower (for buy order) from lowest price or 5 pips higher (for sell order) from highest price,
Execute Take Profit parameter based on 90% of previous candle (of the first rising histogram for buy order, and of the first falling histogram for sell order) body size (open and close price)
Risk 2% of capital per trade

[WARNING CLOSED!] Any newbie Issues with the order 'MA200' - unexpected token

Yvan Tarong 2024.01.18 14:19 #5

Hi Sir,

Thank you for taking time to check my code. But unfortunately, I still got the same error. :(

// Define input parameters
input int fastEMA = 12;
input int slowEMA = 26;
input int signalEMA = 9;
input double lotSize = 0.1;
input double riskPercentage = 2.0; // Percentage of capital risk per trade
input int slippage = 3;

// Define variables
double macdCurrent, signalCurrent, macdPrevious, signalPrevious;
double macdHistogramCurrent, macdHistogramPrevious;
int ticket;

// Define MACD parameters
int OnTick() 

{

// Define MACD arrays
double macdCurrent[];
double signalCurrent[];
double macdPrevious[];
double signalPrevious[];

// Calculate MACD values
ArraySetAsSeries(macdCurrent, true);
ArraySetAsSeries(signalCurrent, true);
ArraySetAsSeries(macdPrevious, true);
ArraySetAsSeries(signalPrevious, true);

int calculateBars = 1; // The number of bars to calculate MACD for

CopyBuffer(_Symbol, _Period, fastEMA, calculateBars, 0, macdCurrent);
CopyBuffer(_Symbol, _Period, slowEMA, calculateBars, 0, macdPrevious);
CopyBuffer(_Symbol, _Period, signalEMA, calculateBars, 0, signalCurrent);
CopyBuffer(_Symbol, _Period, signalEMA, calculateBars, 0, signalPrevious);

// Calculate MACD Histogram values
macdHistogramCurrent = macdCurrent[0] - signalCurrent[0];
macdHistogramPrevious = macdPrevious[0] - signalPrevious[0];
    // Get Bid and Ask prices
    double bid = SymbolInfoDouble(_Symbol, SYMBOL_BID);
    double ask = SymbolInfoDouble(_Symbol, SYMBOL_ASK);

    // Calculate risk based on 90% of the previous candle body size and 2% of capital
    double capital = AccountFreeMarginCheck(_Symbol, OP_BUY, lotSize);
    double riskAmount = NormalizeDouble(capital * riskPercentage / 100.0, Digits);
    double candleBodySize = MathAbs(iClose(_Symbol, _Period, 1) - iOpen(_Symbol, _Period, 1));
    int stopLossPips = int(candleBodySize * 0.90 / Point);

    // Check for the first rising MACD Histogram from the previous falling histogram
    if (macdHistogramCurrent > 0 && macdHistogramPrevious <= 0) 
    {
        // Place Buy order
        MqlTradeRequest request = {0};
        MqlTradeResult result = {0};

        request.action = TRADE_ACTION_DEAL_BUY;
        request.symbol = _Symbol;
        request.volume = lotSize;
        request.type = ORDER_BUY;
        request.price = ask; // Use ask price for Buy orders
        request.sl = ask - stopLossPips * Point; // Set your stop loss
        request.tp = ask + stopLossPips * Point (* 2; // Set your take profit
        request.deviation = slippage);

        if (OrderSend(request, result)) 
        {
            // Order was successful
            // Additional logic can be added here
        }
    }

    // Check for the first falling MACD Histogram from the previous rising histogram
    if (macdHistogramCurrent < 0 && macdHistogramPrevious >= 0) {
        // Place Sell order
        MqlTradeRequest request = {0};
        MqlTradeResult result = {0};

        request.action = TRADE_ACTION_DEAL_SELL;
        request.symbol = _Symbol;
        request.volume = lotSize;
        request.type = ORDER_SELL;
        request.price = bid; // Use bid price for Sell orders
        request.sl = bid + stopLossPips * Point; // Set your stop loss
        request.tp = bid - stopLossPips * Point (* 2; // Set your take profit
        request.deviation = slippage;

      if (OrderSend(request, result)) 
{ // Order was successful
    // Additional logic can be added here
}

    return(0);}

Mahdi Ebrahimzadeh #:

I replied on error on your code.

put an extra parentheses end of Point( like Point()

Dominik Egert 2024.01.18 14:35 #6

Yvan Tarong #:

Hi Sir,

Thank you for taking time to check my code. But unfortunately, I still got the same error. :(

        request.price = ask; // Use ask price for Buy orders
        request.sl = ask - stopLossPips * Point; // Set your stop loss
        request.tp = ask + stopLossPips * Point (* 2; // Set your take profit
        request.deviation = slippage);

You need to change this to:

        request.price = ask; // Use ask price for Buy orders
        request.sl = ask - stopLossPips * _Point; // Set your stop loss
        request.tp = ask + stopLossPips * _Point * 2; // Set your take profit
        request.deviation = slippage);

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