Some example embodiments illustrate a system and method to sort a search result using sale format information. The system and method include providing a desirability index including multiple desirability values. Each desirability value may be associated with a keyword and indicate an accumulative frequency of the keyword being in an item listing selected throughout multiple user transactions. The system and method include identifying a search result including item listings in response to a query from a user device. The system and method include accessing, for each item listing, the desirability index and getting a desirability value for each keyword included in the item listing. The system and method include calculating a relevancy value using the desirability values for the keywords of a given item listing. The system and method further include sorting the item listings according their relevancy values and returning the sorted item listings to the user device.