MQL4 and MQL5 Source Code Library

BollingerBandsEA trades according to Bollinger Bands.

This script is a reference solution for mapping symbol names configured by users in MetaTrader 5 EAs or scripts to the actual names provided by the broker. It uses the Levenshtein distance algorithm to automatically identify the most similar symbol in Market Watch. It is ideal for developers facing compatibility issues with prefixes or suffixes in symbol names. This is a customizable starting point to adapt to any specific needs.

Copy these into any EA you are busy coding and you"ll have a trailing sl the only things you'll need to change would probably be InpMagic for your magic number or you could just copy my code as is , Remember to add COrderinfo ord; and CPositionInfo pos;

Prototype for data collection. Dummy buffers for the data window (for data collection purposes) for the hour of the day, and an additional buffer for the hour of the day. Comments the hour of the day.

Creating profit labels on deals (closed trades) which also show in the strategy tester

Price increase Indicator

MarketPredictor for MetaTrader 5 The MarketPredictor is an innovative Expert Advisor (EA) for MetaTrader 5 that leverages mathematical models such as sine functions, Fast Fourier Transform (FFT), sigmoid functions, and Monte Carlo simulations to analyze and predict market movements. This project is designed for developers, math enthusiasts, and traders interested in combining technological and financial innovations. Feel free to suggest, discuss, and implement code ideas directly in this thread. Whether it’s new features, improvement suggestions, or strategies – every contribution is welcome to further develop and optimize the MarketPredictor. You’re also welcome to add me to clarify questions privately, collaborate on the GitHub project, or send me your feedback directly. Let’s cook up something amazing together and take this project to the next level!

High-performmance functions for dealing with time.

This Fibonacci Bollinger Bands indicator is a conversion from Pine Script (by Rashad) to the MQL5 language.

Optimal closing tool with Bollinger Bands and RSI.

The script MinMargins.mq5 is designed to help traders quickly calculate and document the minimum amount of money required to open a position with the smallest lot size for all symbols available in the Market Watch. This data is saved to a CSV file for easy review and analysis.

A new interface library has been developed to simplify the process of converting MT4 indicators and Expert Advisors (EAs) to MT5. This library supports most of the MetaTrader 4 functions, offering developers a unified solution for cross-platform compatibility.

The SUPERMACBOT is a fully automated trading robot that combines the power of the Moving Average Crossover strategy with the MACD Indicator to deliver precise and reliable trade signals. This Expert Advisor is designed to work seamlessly on all symbols and timeframes, offering versatility and adaptability for traders across various market conditions.

A simple replacement for a comment. Works in the tester 50 times faster than the standard function.

A smoother line chart which cuts out a lot of the market noise and uses volume in the formula

this is a copier template

This indicator displays current events on the chart and allows you to export the calendar to archives for backtesting, automatically fixing time discrepancies between the history of bars and the history of events. This is an improved version of CalendarMonitorCached indicator from the algotrading book.

Marking the extreme highs and lows (OHLC) together with the extreme bid and ask prices

The code above is a "Hammer" indicator that detects candlestick hammer formations (bullish and bearish) and inverted hammer formations (bullish and bearish) on a MetaTrader 5 chart. This indicator identifies price reversal patterns by calculating the size and ratio of the candlestick wicks based on adjustable parameters: MaxRatioShortWick, MinRatioLongWick, and MinCandleSize. When a pattern is detected, the indicator displays a colored arrow near the candle’s lowest or highest price according to the pattern’s direction. The code also includes functions to create and delete objects automatically when the indicator is initialized or stopped.

WeekDays indicator displays Day Of Week, Week Of Year, Day Of Year or Bar Index in the Data Window, and optionally in labels on the chart.

The AutoFibo indicator is an advanced Fibonacci retracement tool that automatically draws Fibonacci levels based on the ZigZag pattern. This indicator is designed to help traders quickly identify potential support and resistance levels in trending markets.

This service periodically checks swaps for predefined symbols and saves detected changes into CSV-files for further analysis and potential replay (not implemented here). Also it monitors and alerts swap changes of existing positions.

This script saves a predefined set of economic events from the MetaTrader's built-in economic calendar into CSV file.

A sample pine code converted to MQL

This code provides a simple function for sending push notifications to your mobile device whenever trades are opened or closed in MetaTrader 5. It's designed for netting accounts (where only one position per symbol is allowed).

This MQL5 script exports candlestick data for various timeframes into a CSV file, capturing essential market information like open, high, low, and close prices. It analyzes each candlestick's characteristics, including body and wick sizes, while calculating additional metrics such as candle gaps. After processing the latest 21 bars, it notifies the user upon successful data export.

The simplest class for logging in MetaTrader 5 with support for levels, message format, include and exclude filters on substrings.

Time-related functions for empirical detection of server time zone and daylight savings mode (DST) from history of quotes

Synchronized custom crosshair indicator showing price and (server/local) time.

Perfect Seconds chart indicator allows you to convert minute candles of live data into seconds. 1. Choose any number of seconds to close a bar with accurate time. 2. This is Live OHLC rates based data, It works even if ticks are not available. 3. No external DLL required, it works smoothly on VPS 4. Fast and optimized code 5. Supports Crypto Pairs such as BInance, Kucoin and all other exchanges where Futures live chart can be converted into seconds easily. 6. Support all type of symbols such as Gold and Forex pairs. 7. Options to delete symbol and rates.

This tool will calculate the acceptable lot size based on a stop loss distance and risk percentage

This code shows how you can create a dashboard to display all the relevant information on the chart

An indicator that dynamically calculates risk (in percentages and money) based on the lot size and stop loss

The CDebugLogger class is a flexible and comprehensive logging utility designed for use in MQL4/5 environments. It allows developers to log messages at various levels of importance (INFO, WARNING, ERROR, DEBUG) with options to include timestamps, function signatures, file names, and line numbers in the log entries. The class supports logging to both the console and files, with the ability to save logs in a common folder and in CSV format. Additionally, it offers functionality to silence logs based on specific keywords, ensuring that sensitive information is not logged. This class is ideal for developers looking to implement robust logging mechanisms in their MQL4/5 applications, with customizable features that cater to a wide range of debugging and monitoring needs.

Indicator Description: PTB.mq5 Overview: The PTB.mq5 indicator for MetaTrader 5 calculates short-term and long-term high and low prices, along with Fibonacci retracement levels based on these extremes. Features: Short-Term High and Low: Identifies immediate support and resistance over a user-defined short length. Long-Term High and Low: Analyzes broader market trends over a longer period. Fibonacci Levels: Plots key retracement levels (23.6%, 38.2%, 50%, 61.8%, 78.6%) for potential reversal points. Input Parameters: shortLength: Number of candles for short-term calculation. longLength: Number of candles for long-term calculation. Visual Representation: Distinct colors and widths for each line to differentiate between high/low and Fibonacci levels. Usage: Helps traders identify entry/exit points and monitor market trends based on historical price levels.

- The script scans through the current chart for any available chart objects, - Counts and delete them accordingly - And log the the names of the objects on the chart respectively.

Copy and paste selected graphical objects between charts via Windows clipboard as text. Use Ctrl+Q on a source chart, then Ctrl+J on a target chart.

Closes trades when bar touches trendline

Closing EA

Translate risk percentages to the monetary figure based on the account balance