The first point is that you want to only daytrade stocks that are doing at least 500,000 shares per day. The more,the better. Large overall daily volume in the stock makes it easier for you to get in and get out in rapid fashion which is of the utmost importance when your timeframe for holding the trade is short. If the stock is not trading much, you do not want to be the one holding the bag when you cannot get out because there is just nobody supporting the bid. The second factor when.