Compiler Fixes
Fix MQL5 deal history without random HistoryDeals includes.
Closed trade analysis in MQL5 is deal-based. The reliable path is to select a history window, loop deal tickets, and read deal properties. Random downloaded HistoryDeals.mqh files often create conflicts instead of fixing the root issue.
Search intent
The developer is trying to read closed deals, TP hits, magic-number PnL, or trade history and gets missing include or undeclared identifier errors.
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Cluster
Compiler Fixes
Tool path
mql5 compiler fixer
Reader
mq5 developer
Select the history window first
History functions need a selected date range. Without HistorySelect, the EA may see no deals or stale history.
Loop deal tickets, not guessed objects
Use HistoryDealsTotal and HistoryDealGetTicket, then read properties from each ticket.
Group closed PnL correctly
For reporting, group by DEAL_MAGIC and DEAL_SYMBOL, and filter entry/exit properties so entries are not double-counted.
Use the tool
Paste your history/deal code into Workfusion Debugger to get a cleaner MQL5 deal-history workflow.
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