Articles on strategy testing in MQL5
How to develop, write and test a trading strategy, how to find the optimal system parameters and how to analyze the results? The MetaTrader platform offers developers of trading robots rich functionality for fast and accurate testing of trading ideas. Read these articles to learn how to test multi-currency robots and how to use MQL5 Cloud Network for optimization purposes.
Developers of automated trading systems are recommended to start with the testing fundamentals and tick generation algorithms in the strategy tester.
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Temporal Causality Audit in MQL5: Validating Recorded Dependencies Against the Decision Time
Look-ahead errors arise when a decision consumes values that did not yet exist, such as a partially formed higher-timeframe bar. This MQL5 library logs input timing metadata and validates declarations against the decision time with eight ordered rules, returning PASS, WARNING, or FAIL and a named violation. A demo EA plus twelve deterministic tests at a fixed timestamp illustrate correct and failing cases.