my dear, I think there is no limit on how we can trade with open positions still open on the trading platform. for me I am happy with the scalping system, so not too long open and close trade positions. The advantage of a scalper is easier to analyze and control emotions. and you can have open positions for the most different ways every trader can be formed to know and understand informatiosn values there have been many things that people have done to run the market in different ways, trading can as long as it meets your expectations and this is because great strategies that can be reduced well.