How do you know if a stock is high volume? High Volume Stocks Explained + 3 Pro Tips to Find Them 2.1 #1) Look for the high volume penny stocks that have gone up the most since yesterday's closing price. 2.2 #2) Look at social media. 2.3 #3) Use a software platform with killer scanning tools. 2.4 Technical and Fundamental Analysis. 2.5 Analysis Software