A system for providing an operator interface having a radar display comprises a memory and a processor. The memory stores trader designated requirements. The processor generates a radar display comprising a trader requirements block that corresponds to the trader designated requirements. The processor receives market data and performs the following for each trader designated requirement: determines a probability of the market data satisfying a trader designated requirement, and displays a market data circle on the radar display, where a distance between the market data circle and the trader requirements block indicates the probability.