MT5 Order Preflight — Read-Only MQL5 Diagnostic
Arnold Holm
Free read-only MQL5 utility
Check a hypothetical market, limit or stop order against the rules currently advertised for the chart symbol. The script produces diagnostic evidence without placing a trade.
Version 1.1.0, MIT licensed, source-only download. View release notes. A passing report cannot guarantee server acceptance or trading results.
What it checks
Symbol trade mode and direction restrictions
Market, limit and stop-order support
Minimum, maximum and step-aligned volume
Tick-size normalization for pending prices
Pending-order and protective-stop distances
Run it in four steps
1
Download the MQ5 source and copy it to MQL5/Scripts/StratCoreAlpha/.
2
3
Select the hypothetical order type, volume and distances you want to test.
4
A preflight result is diagnostic evidence
Market state and broker rules can change between the diagnostic run and a later request. Use the report to make a failing order reproducible; do not treat it as execution, strategy or profitability advice.
Still need a repair?
Send the reviewed report, editable source and one acceptance test.
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Posted Aug 9, 2026
Built and released an MIT-licensed MQL5 utility that validates hypothetical orders against symbol rules without placing a trade.
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