It depends on the system we are using:
So, the coders are making TimeFilter in their EA.
Forum on trading, automated trading systems and testing trading strategies
PriceChannel Parabolic system
Sergey Golubev, 2013.02.14 14:41
So, we understand that scalping is very risly trading style. Besides, it is very difficult to make it manually in consistent way for example. What the developers/traders/coders are doing to minimize the risk?
There are 2 kinds of scalping: