Finally, a single source for the trading symbols, position limits, exchange listings, and post assignments of over 3000 equity and index options. This information has been painstakingly verified and thoughtfully organized to create OptionAide™. Never again be frustrated by the difficulty of obtaining basic trading information. OptionAide™ makes it easy to sort, search by symbol or security name, focus on indices or equities, identify long-term or other variant series, and discover which exchange members make the market in any option class. The periodic updates available to registered users will save you hours of research.