Articles
Building a Prop-Firm Compliance Monitor in MQL5 (Part 1): Account Rules and Persistent Settings for MetaTrader 5
Establishes the persistence foundation for a prop-firm compliance EA in MetaTrader 5. It introduces rule inputs and status enums, separates live account state from stored settings, validates percentages and thresholds, and implements SQLite open/close, schema creation, and prepared save/load
Building a Visual Position Planning Tool for MetaTrader 5 for MetaTrader 5
This article develops a visual position planning tool in MQL5 for evaluating trade setups before execution. The tool utilizes interactive Entry, Stop-Loss, and Take-Profit lines to calculate the stop distance, risk amount, estimated position size, potential reward, and risk-to-reward ratio directly
Larry Williams Market Secrets (Part 17) : Detecting Oops Signals Using a Custom Indicator for MetaTrader 5
This article implements an MQL5 custom indicator that detects Larry Williams Oops gap reversals and marks bullish and bearish arrows on the chart. It details configurable gap and validity thresholds, same-bar or later confirmation, first-fill-only logic, historical backfilling, and incremental
Larry Williams Market Secrets (Part 16): Detecting and Trading the Oops Gap Reversal Pattern for MetaTrader 5
Learn how to build an MQL5 Expert Advisor that detects and trades Larry Williams’ Oops Gap Reversal pattern using objective gap rules and later-bar confirmation. The EA tracks setup expiration, prepares stop-loss and take-profit levels, supports manual or risk-based position sizing, executes market
Custom Indicator Workshop (Part 4) : Automating UT Bot Alerts into a Trading Expert Advisor for MetaTrader 5
This article shows how to build an MQL5 Expert Advisor around the UT Bot Alerts indicator. The EA reads custom indicator signals via iCustom() and CopyBuffer(), evaluates entries only on new bars, using the last closed candle at index 1, and enforces a one-direction-at-a-time model by closing
Custom Indicator Workshop (Part 3): Building the UT Bot Alerts Indicator in MQL5 for MetaTrader 5
This article demonstrates how to build the UT Bot Alerts indicator in MQL5 using a clear, step-by-step approach. The tutorial explains how to implement an ATR-based trailing stop system, compute a custom EMA for signal detection, and generate buy and sell signals without repainting. The final
Engineering a Self-Healing Expert Advisor in MQL5 (Part 5): Real-Time Recovery Dashboard (Final Part) for MetaTrader 5
This article implements a real-time monitoring dashboard for a self-healing MetaTrader 5 Expert Advisor. The dashboard displays the current EA state, virtual stop-loss and take-profit levels, breakeven and trailing status, recovery state, synchronization status, and heartbeat information directly on
Engineering a Self-Healing Expert Advisor in MQL5 (Part 4): Trade-State Reconciliation and Safe Mode Recovery for MetaTrader 5
This article adds trade-state reconciliation and Safe Mode recovery to a MetaTrader 5 Expert Advisor. The EA continuously validates recovery integrity by comparing the live broker position with the persisted SQLite state and the in-memory runtime state. Detected inconsistencies trigger an automatic
Engineering a Self-Healing Expert Advisor in MQL5 (Part 3): Restart-Aware Breakeven and Trailing Systems for MetaTrader 5
Building on Part 2, the implementation introduces restart-aware breakeven and trailing-stop systems for MetaTrader 5. The EA persists the state, such as breakeven activation, last trailing price, and virtual SL in SQLite, then restores them on startup. This preserves dynamic protection flow and
Engineering a Self-Healing Expert Advisor in MQL5 (Part 2): Restart-Safe Virtual Trade Protection for MetaTrader 5
Build a restart-aware virtual protection layer on top of the SQLite persistence from Part 1. The EA reconstructs hidden stop-loss and take-profit after restart, verifies current price against recovered exits, and closes or continues positions accordingly. The result is a consistent recovery path
Forum
MQL5 Market Issue
Hello Developers, While attempting to upload my EA to the Market, I encountered a confusing error. If anyone has experienced this before, I’d really appreciate your insight on what it means and how to resolve it. Any assistance is highly appreciated test on EURUSD,H1 (netting) strategy tester report
How to download MT4?
How can I get MT4? Whenever I download the MT4 window setup and run it, it ends up installing MT5. This is confusing as I actually need MT4 to write EAs for my clients