Small Order Execution System (SOES) A computer network that automatically executes trades in Nasdaq market securities and some Nasdaq small cap securities. This allows individual investors to execute trades in fast moving markets. Investopedia Says: SOES is for individual traders with orders less than or equal to 1,000 shares. Related Terms: Electronic Communications Network - ECN Nasdaq Order Audit Trail System - OATS Order Management System - OMS Order Splitting SelectNet Small Cap SOES Bandits |