Modulus Financial Engineering, Inc. is a privately owned company based in Scottsdale, Arizona. Founded in 1997, Modulus has provided advanced financial technology products and services to thousands of professional traders, brokerages, trading firms and renowned educational, governmental and non-profit institutions in over 94 countries. Top clients include TD AmeriTrade, ETrade, eSignal, Bank of America, Barclays, Chase and many others including professional traders from around the world.