I'm day trading future. When you are looking at your chart and doing some technical analysis, do you include pre market or only 9:30 to 16:15? With the pre market data in, I fell there many useless data. Are you guys skipping pre market to draw trend line or any patterns?
Actually, it's a good idea to keep track of both. Some players trade off of RTH, other from All Session charts. One is as valid as the other.
Like to look, premarket [irregular market]; but don't record that data, like regular hours are recorded.