The author of the idea: Fafar.forex (the beginning of the related discussion #103)

MQL5 code author: Vladimir Karputov.

Features

• Works on a new bar;
• The number of positions is not limited;
• If a BUY signal is received, all SELL positions are closed;
• If a SELL signal is received, all BUY positions are closed;
• Before opening an order, a check is performed if there are enough funds for a double lot.