on a global electronic order book with free real-time quotes, prior trades and market depth. eExchange supports trading in listed and unlisted equities, call and put options, foreign currencies, bullion coins, commodities and delayed delivery contracts. The system includes a real-time multi-currency accounting and margining engine, Trader-ID messaging for arranging trades, and a common infrastructure for trading and settlement. It is intended for both individual investors and institutional participants seeking direct electronic markets in niche and after-hours segments.