Two identical trading systems (for long and short positions) based on the signals of the Skyscraper_Fix indicator, which can be configured in different ways within one Expert Advisor. For this purpose, all input parameters can be divided into two large groups:

1. Those having names starting with L are input parameters to manage long positions;
2. Those starting with S are input parameters to manage short positions.

//+----------------------------------------------+  //| Input parameters of the EA for long trades   |  //+----------------------------------------------+  magic numberinput uint    L_Magic=777;          //L magic number  input double  L_MM=0.1;             //L share of a deposit per trade  input MarginMode L_MMMode=LOT;      //L lot setting mode  //+----------------------------------------------+  //| Input parameters of the EA for short trades  |  //+----------------------------------------------+  input uint    S_Magic=555;          //S magic number  input double  S_MM=0.1;             //S share of a deposit per trade  input MarginMode S_MMMode=LOT;      //S lot setting mode  

These two trading systems use different magic number and are absolutely independent of each other. Real financial markets are rarely symmetric. Absolutely different parameters of the same trading system are often needed for trading in the rising and falling market. To properly configure the EA, you should first test only one trading system, having disabled the second one using relevant switches.

input bool    L_PosOpen=true;       //L permission to enter long positions  input bool    L_PosClose=true;      //L permission to exit long positions  

Upon that, perform the same for the second system.

For the EA to operate, the compiled Skyscraper_Fix.ex5 indicator file should be in the <terminal_data_directory>\MQL5\Indicators.

Default Expert Advisor's input parameters have been used during tests shown below. Stop Loss and Take Profit have not been used during the tests.

Fig. 1. Examples of deals on the chart with symmetrical settings

Testing results for USDJPY H4 over the year 2017:

Fig. 2. Testing results chart

Fig. 3. Examples of deals on the chart with non-symmetrical settings