Abstract: The present invention relates to a compliance system that allows users to verify that trading rules and regulations are being followed throughout the intraday trading activity. In particular, the systems and methods of the present invention allow a user to verify compliance with trading rules locally at a trading terminal.

Abstract: A method for creating a peer group database includes a step of collecting security transaction data for a preselected period of time, for a plurality of investment institutions. The transaction data includes identity of securities being traded, transaction order sizes, execution prices and execution times. The transaction data is grouped into a plurality of orders. A plurality of cost benchmarks are calculated for each of the orders. Transaction costs are estimated for each investment institution relative to the cost benchmarks. The data is stored.