GridTrading Algorithm at volatile market - expert for MetaTrader 4

The input parameters are: Tp - this is a number, and the robot will take profit when Tp*Invested money is reached in profits (recommend 0.01-0.1). SlowMovingAverage is the period of a moving average, trying to decide the trend. The Multiplier is the factor of the volumes, the next order in the Grid will be placed with a Multiplier* Last order size volume. TimeFrame is the TimeFrame in Minutes. (recommended : 1 hour- 60 or 15Min- 15).

The Expert Advisor includes a TotalOrderLots() function, which returns all of the used lot amounts. A CalcMaxLot function, returning the maximal amount of lot one can trade. A CalcGridLot function which returns a starting Lot with the given parameters for a security.  The Bearish and bullish engulfing functions are returning a true value if one of the candlestick pattern happens. OpenOrderProfits function returns all the Profits of the open orders. CloseallOrders closes all orders( checking multiple times).

The EA places grid orders based on the atr values.