Embodiments of the invention concern finding correlations between related traded items, such as securities, commodities, currencies, or contracts. The pricing information of multiple traded items from one or more markets is analyzed and a user is provided with a listing of pairs or larger groups of traded items which are most closely correlated. Another embodiment of the invention is a system and method for finding the most related traded item to a particular predefined item. Another embodiment of the invention is a system and method for finding the traded item whose trading history is closest to a predefined curve.