Any section of the market profileA way of reading the market that recognizes either time spent or volume traded at a particular price level. A market profile can be either made up of “TPO’s” (time price opportunities), or volume. TPO’s measure how much time was spent at a particular price, while volume-based market profiles measure how much volume traded at a particular price. Generally, market profile is used in the trading of futures, especially the /ES. ShadowTrader utilizes volume based profiles. distribution that is only one TPO(MP) Stands for “Time Price Opportunity”. It is the smallest unit of measure displayed any market profile graphic, denoted by a single letter. Each TPO represents a point of time where the market being charted trades at a specific price. A single TPO is printed on the chart every time that a certain price is touched during any time period. Typically, the periods are set to 30 minutes. Therefore, every different letter that you see in the market profile distribution denotes a different 30 minute period. wide. Single prints are a sign of emotional buying or selling as very little time was spent at those levels and thus there is no value there. The endpoints of single print sections are considered to be potential support or resistance points.