It consists of operating in a very short term by opening trades and closing them in a very short time, for example in a few minutes or even in seconds.
With scalping benefits can be obtained in small movements that occur as much more frequently every day, the shorter exposure time and the size of smaller positions usually entail a lower risk but it is necessary to open many positions throughout the day to that, with the sum of the benefits of all of them, a reasonable amount can be achieved.
Scalpers usually handle the smallest time frames for their operation, for example, 1 minute, 5 minutes, 30 minutes, ...