I am new here. So, I have some questions. 
Can I run multiple strategies at the same time on one instrument like BTCUSD?
Can I do backtesting on one instrument like BTCUSD with multiple strategies? 
Because I want to know what would be the total draw dawn from all the strategies if I would run them at the same time. 
What about positions have they some id mark, so that I can close specific position and leave others open?
When I do backtesting is the swap included, or in the case of BTCUSD the founding rate?

Thank you for the answers