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MQL4 and MQL5 Source Code Library
You don't know where to start learning the MQL5 or MQL4 programming language? Various programs for your MetaTrader terminal are available here. Download and study published code examples, develop your own indicators and Expert Advisors. Publish your applications in the largest library of MQL5 and MQL4 codes, and they will be available in every MetaTrader terminal and MetaEditor.
Your code examples in MQL4 and MQL5 will be distributed worldwide, and thousands of traders will know about you!
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ASQ CommandDesk is a professional order management panel for manual traders on MetaTrader 5. You make the trading decisions — CommandDesk handles execution, risk control, and exit management automatically.
On-chart candle analysis indicator with structure tags, sentiment, and trend arrows for MetaTrader 5.
An advanced quantitative filter based on Chaos Theory and fractal geometry, it calculates the intrinsic dimensionality of the price curve to instantly classify market regimes into trending or mean-reverting states.
Imbalance Finder is an MT5 indicator that automatically detects bullish and bearish Fair Value Gaps (FVGs) and tracks whether each imbalance remains active, gets tapped, or becomes fully filled. It draws clear chart zones in real time, helps traders identify potential support and resistance areas, and also provides data buffers for Expert Advisors and automated strategies.
An indicator which features full Smart Money Concept (SMC) + Break Of Structure (BOS) + Change Of Character (COC) + Fair Value Gap (FVG) Detection and Buy/Sell signals.
Institutional risk analysis library for MetaTrader 5. Zero external dependencies. Pure MQL5 mathematics.
KSQ Fair Value Gap EA automatically trades institutional FVG zones with built-in regime detection to filter out low-quality setups in ranging markets. STRATEGY Detects 3-bar bullish and bearish FVG patterns. Enters on confirmed pullbacks into the zone. Each FVG fires once only. REGIME FILTER EMA trend bias, ADX strength filter, or both combined. Configurable higher timeframe (M15–D1). SL & TP Both support ATR-based or fixed-points mode, set independently. LOT SIZING Fixed lot or % risk-based — switchable from inputs. TRADE MANAGEMENT Break-even stop, partial close, and ATR/points trailing stop. RISK PROTECTION Daily and total drawdown kill switches. Max trades per direction cap. Session time filter. It's not yet optimised for any pair
MT5 indicator showing bar index, price difference in points, and percentage change. Ideal for EA integration and fast analysis.
Complete deep learning library in pure MQL5. Build, train and deploy neural networks natively in MetaTrader 5. No DLLs, no Python, no external APIs.
Detects and draws Fair Value Gaps (price imbalances) on your chart — a core concept in ICT/Smart Money methodology. Tracks when price returns to fill the gap.
An object-oriented MQL5 library (.mqh) that replaces static retail risk models with institutional Volatility-Adjusted Position Sizing (VAPS) and Kelly Criterion mathematics.
ExMachina CandleTimer Lite - Free candle countdown timer for MetaTrader 5 with the ExMachina steel palette theme.
A quantitative machine learning envelope that utilizes Nadaraya-Watson kernel regression math to dynamically project statistically significant mean-reversion zones without relying on traditional standard deviation.
A quantitative Gaussian filter designed to replace lagging retail moving averages by applying advanced digital signal processing to eliminate market noise without sacrificing responsiveness.
Portfolio Scorer is a standalone MQL5 script that evaluates the quality of a multi-EA portfolio across three critical dimensions that most algo traders overlook. The script reads daily profit and loss data from CSV files (one per Expert Advisor), computes a full Pearson correlation matrix between every strategy pair, maps trading activity by UTC hour and weekday, detects asset class diversity, and produces a weighted composite score with a letter grade from A+ to F. How it works: The tool runs in four sequential stages. First, the Data Loader reads and validates CSV files containing daily returns for each EA in the portfolio. Second, the Correlation Engine calculates the complete NxN Pearson correlation matrix and flags pairs that exceed a configurable threshold. Third, the Coverage Analyzer maps which hours and weekdays have active trading and identifies blind spots. Fourth, the Scoring Function combines all three dimensions into a single composite score using adjustable weights.
An original indicator designed to analyze price action and provide buy/sell signals.
ASQ Divergence Detector scans your chart for regular and hidden RSI divergences and marks them with color-coded, non-repaint arrows.
An advanced order flow engine that approximates tick-by-tick aggressor data to calculate the true Cumulative Volume Delta, it exposes institutional absorption and divergence hidden within standard price candles.
A professional quantitative oscillator that replaces traditional retail momentum indicators like the RSI, it calculates the statistical standard deviation of price action to identify mathematically exhausted reversals.
A dynamic Smart Money utility that identifies institutional Order Blocks backed by volume anomalies and automatically tracks their mitigation state to keep your charts clean and focused on fresh liquidity.
A high-frequency trading utility designed to measure real-time tick velocity and detect toxic order flow spikes before they reflect entirely on standard price candles.
Multi-timeframe confluence indicator designed to snipe accurate entries. Inspired from TradingView
A daily bias Expert Advisor that trades market dominance, analyzing previous day bullish vs bearish control with MA confirmation, and executing a single, minimum-volume trade with ATR-based risk management.
A free, open-source breakout scalping Expert Advisor for MetaTrader 5 by AlgoSphere Quant. It implements a strict seven-condition entry system where every condition must align simultaneously before any trade is taken.
An institutional time and price filter that highlights strict macroeconomic trading windows and automatically projects Fair Value Gaps exclusively when institutional volume is present.
A professional object-oriented MQL5 library designed for quantitative developers. It provides asynchronous order execution and dynamic slippage control to prevent terminal freezing during high-frequency algorithmic trading.
ASQ RiskGuard is a risk management Expert Advisor for MetaTrader 5 that protects your account from excessive drawdowns. It monitors equity in real time, enforces daily loss limits, guards against high spreads, filters trading sessions, and provides a visual risk dashboard — all running silently alongside your other EAs.
ASQ FlowDesk is a streamlined trading panel for MetaTrader 5 that provides one-click order execution, scaled take-profit exits, adaptive trailing stops, auto-breakeven, and a live analytics dashboard — all from a clean on-chart GUI.
ATR-based trend indicator with 3 ATR modes (Wilder/SMA/EMA), dynamic color line, signal arrows, trend duration, distance in pips, trend strength rating, signal counter, expanded dashboard, 4-channel alerts. Free.
A professional intermarket analysis tool. It overlays the USD Index (DXY) on any chart to identify SMT Divergences and institutional correlation shifts in real-time.
A lightweight, essential utility for ICT and SMC traders. It automatically plots the True Daily, Weekly, and Monthly Open prices, serving as the foundation for the Power of 3 (Accumulation, Manipulation, Distribution) concept.