This specific price is referred to as the point of control (POC). The widest horizontal row of the Volume Profile indicator defines the specific price at which the most volume has traded over the specified time period. Unlike a typical volume study that aggregates volume for a specified time period, like daily, and displays a vertical column of the total volume for that period, the Volume Profile study plots a horizontal histogram of volume traded at specific prices. The Volume Profile study displays trading activity over a specified time period at specific price levels. Tired of trying to guess where support and resistance levels are located for the underlying instruments you’re trading? Do you want a deeper view of the supply and demand dynamics currently at work in stocks, futures, or any other investment in which you can measure volume? Look no further, because the thinkorswim ® Volume Profile study can help shed new light on support and resistance.