Top MQL4 and MQL5 source codes based on user ratings

Forget about BMP files like a bad dream. Thanks to this library, you can now use the PNG format, which has a number of advantages, such as being more compact without losing image quality and maintaining transparency.

In the fourth part of the book, we will focus on mastering built-in functions (MQL5 API) and will gradually delve into specialized subsystems. Any MQL5 program can utilize a plethora of technologies and functionalities. Therefore, it makes sense to begin with the most simple and useful functions that can be utilized in most programs.

The Heiken Ashi indicator with no repaint or repaint mode input option.

Easy to use.

This indicator is designed to draw a Fibonacci retracement, using as a basis the ZigZag indicator.

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

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.

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

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

Unfortunately, I discovered that some brokers are a bit sloppy with the server time change due to the daylight saving time (DST), which I did not expect and which surprised me a lot. Here is a script with which anyone can check their broker.

Script

Adaptive CCI - Commodity Channel Index with dynamically adjusting upper and lower limits based on market volatility. Eliminates fixed thresholds (like 100/-100) by using EMA-smoothed peaks and troughs, providing more reliable overbought/oversold signals tailored to each asset's current volatility. Perfect for identifying high-probability reversal points with adaptive confirmation levels.

This expert is a system to help any trader to make a grid of orders.

Calculate DST for USA, EUR, AUD and RUB and the offset time of the broker automatically from the 70's until 2030 - even in the Strategy Tester of MQ.

The final seventh part of the book discusses the advanced capabilities of the MQL5 API, which will be useful when developing programs for MetaTrader 5. These include custom financial symbols, built-in economic calendar events, and general-purpose technologies such as networking, databases, and cryptography.

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.

In Part 5 of the book, we'll delve deeper into the APIs associated with algorithmic trading, including financial data analysis and processing, chart visualization, automation, and user interactions.

The source codes written during the development of the library for creating multi-currency Expert Advisors that combine many instances of various trading strategies.

This EA help you for Auto set the TP & SL by default parameter, Auto trailing stop & step for any order that you place from any device, Easy way to close all orders with 5 Button "Close All", "Close Profit", "Close Lose", "Close BUY", "Close SELL", Auto close all orders by profit or lose treshold value

Linear Regression Value indicator with an option that allows it to be applied to another indicator

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 SuperTrend Indicator is a dynamic trend-following tool based on ATR. It plots a colored line above or below price to indicate bullish or bearish conditions. When the price crosses the line, a signal arrow appears. Fully customizable with ATR period, multiplier, arrows, labels, and colors. Suitable for all instruments and timeframes. Ideal for scalping, swing, and intraday trading. Combine it with other indicators for stronger setups.

Part 2 "MQL5 programming fundamentals" is an introduction to the key concepts of this programming language. This part of the book is devoted to data types, identifiers, variables, expressions, and operators. You will learn how to combine different instructions to form the program logic.

AO - Awesome Oscillator - without iAO() beginner tutorial to learn how to code in MQL5

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.

Candle Replay Magnifier visually replays historical candles over the current chart area for comparative analysis. This indicator overlays past price bars from a selected date onto the live chart, allowing traders to study candle patterns, volatility, and structure in real time. Includes dynamic range highlighting and detailed tooltips showing open, high, low, close, range, direction, time, and volume for each replay candle.

Name of expert is 'MultiStrategyEA'

Rsi without Irsi() beginner tutorial to learn how to code in MQL5

Highlights the Forex Market Sessions (Sydney, Tokyo, London, New York).

Correlation Coefficient" indicator

Rsi Indicator

The AutoCloseOnProfitLoss Expert Advisor (EA) is a powerful automation tool for MetaTrader 5, designed to close all open positions when predefined profit or loss targets are reached

A multi timeframe version is available with colors for orientation, for developers or profitable traders for free. Offer under conditions. Other multi timeframe indicators are also available.

This indicator helps user estimate the potential price movement for the current day, based on 20 days historical data and market trends.

Class to access to the local time for the specified location, as well as time zone information and the local trading session hours.

iRSI Very Simple A multi timeframe version is available with colors for orientation, for developers or profitable traders for free. Offer under conditions. Other multi timeframe indicators are also available.

This is a script to export rates and ticks of current chart's symbol into CSV-files compatible with MT5's export/import format.

The "Net Volume" indicator shows the volume taking into account the pressure of sellers and buyers

Root Mean Square

Linear regression line with an option to be applied to another indicators