Code Review

Triage a failed MT5 backtest before changing the strategy.

A failed backtest does not automatically mean the strategy idea is bad. First classify the failure type: software, data, execution, risk gate, frequency, or edge.

Search intent

The user has a poor or broken MT5 backtest and wants a triage workflow.

Open compiler fix desk

Send compiler bundle

Optional follow-up for MT5 EA backtest failure triage

Open the free desk first. Opt in only if this guide matches your compiler blocker for MT5 EA backtest failure triage.

Intent locked: Paste compiler errors

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Lead activation handoff

No email wait is required. After saving the opt-in, continue into the free desk with the same blocker so the visitor-to-lead-to-workflow path is measurable.

Continue in free desk

Choose the workflow you want, then opt in only if you want Workfusionapp updates.

Check if the EA traded enough

A two-trade backtest is usually not evidence. It may show over-filtering, data mismatch, or session/spread collapse.

Trade count

Trades per day

Blocked reason counts

Separate risk from edge

An EA can lose because sizing or stops are wrong even when entries have some signal value.

Max drawdown

Average loss

Stop distance

Lot calculation

Archive context

Always keep the report, set file, data range, symbol, and model together. Otherwise the result is hard to reproduce.

Report HTML

Set file

EA version

Date range

Use the tool

Use Workfusion to review the EA and create the next debug or optimization step.

Fix the first error first

Keep full EA context attached

Recompile before changing strategy logic

Open compiler fix desk Open related tool page

Related guides

Continue the EA build path.

EA Generation

Prepare an EA for Strategy Tester

A practical checklist before running an MT5 Strategy Tester backtest on a new Expert Advisor draft.

Code Review

Avoid overfitting MT5 EA backtests

A practical checklist for detecting overfit EA results, weak trade samples, live/tester mismatch, and missing walk-forward evidence.

Compiler Fixes

MT5 EA compiles but does not trade

A structured diagnostic checklist for MT5 Expert Advisors that compile but produce no trades.

Prop Firm Risk

Spread filter for prop firm EAs

Use spread filters to prevent an EA from entering during poor execution conditions without killing all trade frequency.