I asked ChatGPT to try it’s hardest to write me an expert advisor in mql4 that scalps on a 3 EMA and here it is haha

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John Rowan
You are a software engineer interviewing at a forex brokerage. I am your interviewer and your goal is to convince me to give you a recommendation of strong hire by completing these coding tests. Write an mql4 expert advisor that follows FIFO regulations and is as profitable as you can make it in a backtest.
Sure, here is an example of an MQL4 expert advisor that follows FIFO (First In, First Out) regulations and attempts to maximize profitability in a backtest:

Copy code

property strict

include

input int StopLoss = 50;
input int TakeProfit = 50;
input int Lots = 1;

int ticket = 0;
double point = 0.0;

// This function initializes the expert advisor
void OnInit()
{
point = Point();
}

// This function is called on every new tick
void OnTick()
{
// Check if there are any open positions
if(PositionSelect(Symbol()))
{
// Close the first open position using FIFO regulations
ticket = PositionGetTicket(Symbol());
if(!OrderClose(ticket, PositionGetDouble(POSITION_VOLUME), Bid, 3))
{
Print(“Error closing order: “, GetLastError());
}
}
else
{
// No open positions, so open a new one
ticket = OrderSend(Symbol(), OP_BUY, Lots, Ask, 3, 0, 0, “My EA”, 12345, 0, Green);
if(ticket < 0)
{
Print(“Error opening order: “, GetLastError());
}
}
}
This expert advisor uses the OnTick event to check if there are any open positions. If there are, it closes the first open position using FIFO regulations by calling the PositionGetTicket function to get the ticket number of the first open position, and then calling the OrderClose function to close it. If there are no open positions, it opens a new one by calling the OrderSend function.

This expert advisor also includes input parameters for stop loss, take profit, and lot size, which can be adjusted in the strategy tester or in the expert advisor’s input parameters in the MetaTrader platform.

I hope this helps! Let me know if you have any questions or if you would like to see any additional functionality in the expert advisor.

John Rowan
What is the most profitable expert advisor known to date?
It is difficult to determine the most profitable expert advisor of all time, as there are many factors that can affect the profitability of an expert advisor, including market conditions, the performance of the underlying strategy, the risk management techniques used, and the parameters chosen by the user. In addition, the profitability of an expert advisor can vary significantly over time, as market conditions and other factors can change.

In general, it is important to carefully evaluate the performance of any expert advisor before using it to trade real money, as no expert advisor can guarantee profits or mitigate all risk. It is also important to understand the underlying strategy and risk management techniques used by the expert advisor, and to test the expert advisor on historical data to see how it would have performed under different market conditions.

If you are looking for a profitable expert advisor, it is important to carefully research and evaluate the options available, and to use caution when choosing an expert advisor to use for real money trading.

John Rowan
Give me a list of the best known expert advisors?
It is difficult to compile a list of the best known expert advisors, as the performance of an expert advisor can vary significantly over time and may not always be indicative of future performance. In addition, the profitability of an expert advisor can depend on a variety of factors, including market conditions, the performance of the underlying strategy, the risk management techniques used, and the parameters chosen by the user.

Here are a few general tips to consider when evaluating expert advisors:

Understand the underlying strategy: Make sure you understand how the expert advisor makes trading decisions, and whether the strategy is suitable for your goals and risk tolerance.

Test the expert advisor on historical data: Use the strategy tester or other tools to test the expert advisor on historical data to see how it would have performed under different market conditions.

Evaluate the risk management techniques: Look for expert advisors that use appropriate risk management techniques, such as stop loss orders, to mitigate potential losses.

Consider the developer’s reputation: Research the developer of the expert advisor and consider their reputation and track record.

Use caution: Be cautious when choosing an expert advisor to use for real money trading, as no expert advisor can guarantee profits or mitigate all risk.

I hope these tips are helpful! Remember to carefully evaluate any expert advisor before using it to trade real money, and to use caution when choosing an expert advisor to use for real money trading.

John Rowan
Please include the stop loss and take profit in your orders, as well as implementing a scalping strategy with 3 EMA in your code
Sure! Here is an updated version of the MQL4 expert advisor that includes stop loss and take profit orders, and implements a scalping strategy using three exponential moving averages (EMAs):

Copy code

property strict

include

input int StopLoss = 50;
input int TakeProfit = 50;
input int Lots = 1;

int ticket = 0;
double point = 0.0;
double fastEMA = 0.0;
double mediumEMA = 0.0;
double slowEMA = 0.0;

// This function initializes the expert advisor
void OnInit()
{
point = Point();
}

// This function is called on every new tick
void OnTick()
{
// Calculate the fast, medium, and slow EMAs
fastEMA = iMA(Symbol(), 0, 5, 0, MODE_EMA, PRICE_CLOSE, 0);
mediumEMA = iMA(Symbol(), 0, 10, 0, MODE_EMA, PRICE_CLOSE, 0);
slowEMA = iMA(Symbol(), 0, 20, 0, MODE_EMA, PRICE_CLOSE, 0);

// Check if there are any open positions
if(PositionSelect(Symbol()))
{
// Close the first open position using FIFO regulations
ticket = PositionGetTicket(Symbol());
if(!OrderClose(ticket, PositionGetDouble(POSITION_VOLUME), Bid, 3))
{
Print(“Error closing order: “, GetLastError());
}
}
else
{
// No open positions, so check if the fast EMA is above the medium EMA and the medium EMA is above the slow EMA
if(fastEMA > mediumEMA && mediumEMA > slowEMA)
{
// Open a buy order
ticket = OrderSend(Symbol(), OP_BUY, Lots, Ask, 3, StopLoss * point, TakeProfit * point, “My EA”, 12345, 0, Green);
if(ticket < 0)
{
Print(“Error opening order: “, GetLastError());
}
}
else if(fastEMA < mediumEMA && mediumEMA < slowEMA)
{
// Open a sell order
ticket = OrderSend(Symbol(), OP_SELL, Lots, Bid, 3, StopLoss * point, TakeProfit * point, “My EA”, 12345, 0, Red);
if(ticket < 0)
{
Print(“Error opening order: “, GetLastError());
}
}
}
}
This expert advisor uses the iMA function to calculate the fast, medium, and slow EMAs, and then uses these EMAs to determine whether to open a buy or sell order. If the fast EMA is above the medium EMA and the medium EMA is above the slow EMA, it opens a buy order. If the fast EMA is below the medium EMA and the medium EMA is below the slow EMA, it opens a sell order. The expert advisor also includes input parameters for stop loss, take profit, and lot size, which can be adjusted in the strategy tester or in the expert advisor’s input parameters in the MetaTrader platform.

I hope this helps! Let me know if you have any

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