providing an electronic transaction platform that enables multiple participants to execute trading transactions by accepting bids and offers posted by multiple participants; financial exchange services in the nature of execution, clearing, and settlement of financial transactions involving credit derivatives, energy derivatives, foreign exchange derivatives, credit default swaps, structured financial products, bonds, commodities, commodity derivatives, futures, options, securities, shares, stocks, and/or related financial instruments; determining settlement prices for financial transactions involving credit derivatives, energy derivatives, and/or foreign exchange derivatives; real-time tracking, monitoring, evaluating, and analyzing of financial markets and financial transactions; providing a database for generating reports on information and statistics relating to the execution, clearing and settlement of financial transactions; providing bilateral and cleared over-the-counter transaction execution, clearing, and settlement services; financial transaction execution services in the nature of posting and matching trade data, determining transaction prices, inter-commodity spread pricing, and best-bid / best-offer price discovery; credit-risk management services; disseminating financial data and information relating to financial transactions, including commodity data, market data, market views, financial data, product volume, weight, and pricing, settlement details, order quantities, delivery dates, transaction life-cycle status, contract symbols, and/or transaction summary reports; and providing on-line financial services via a global computer network, the Internet and other interactive electronic media in real-time on a subscription basis