An intraday trading system portfolio consisting of three independent Expert Advisors.

The Expert Advisors are combined so that the profit rate, the size and duration of drawdown are better on the whole, than they are of each Expert Advisor separately. The systems allows smoothing the balance line and protects from over optimization. At the same time, the system allows trading via only one EA or any combination of the EAs.

System Features:

• only pending orders are used for trading.
• At the end of day all positions are closed and all pending orders are deleted.
• The average ratio of Stop Loss and Take Profit is 1:3.
• The average percentage of profitable deals is less than or equal to 50.
• The balance graph has long periods of drawdown and flat changed with profit leaps.

System Parameters:

• QOPLIM - the maximum number of currently open SELL or BUY deals (the recommended amount is 3).
• DayLossLimitPercent  - daily loss limit. If exceeded, the EA won't trade until the next day.
• Trade_EA1 - if true, trading by EA1 is allowed
• Trade_EA2 - if true, trading by EA2 is allowed
• Trade_EA3 - if true, trading by EA3 is allowed
• FreeMarginPercent_EA - the percentage of free margin for the lot calculation. Specified separately for each Expert Advisor. If 0, fixed lot is used.
• Lot_EA - the value of the fixed lot. Specified separately for each Expert Advisor.
• KSL - the default value for all Expert Advisors: 0.25; optimization range: from 0.1 to 0.6; step: 0.05.
• KTP - the default value for all Expert Advisors: 1.5; optimization range: from 1 to 2.5; step: 0.1.
  
  The KSL and KTP values determine the distance from the open price to set the Stop Loss and Take Profit orders. Specified separately for each Expert Advisor, separately for SELL and BUY. Values ​​of KSL and KTP should be greater than 0. If they are equal to zero, TP and SL are set at 100 pips (five-digit) from the open price.

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