Salahshoor also factored in price fluctuations over time so that randomly generated suspicious cycles were eliminated from the analysis. Prior to this breakthrough, circular trading was only detectable through initial guesswork and intuition based on discrepancies between the level of trade volume recorded and what should be expected, as well as rapid changes in trade volume that did not have any obvious cause in the real-world situation. Salahshoor's method has had success in identifying circular traders in Iran. Further research in this area may lead to methods that will allow for the increasingly swift and accurate identification of circular traders in various types of markets. This is particularly important, considering that circular traders are only ever brought to justice after significant market damage has already occurred.