Abstract: A system and method for providing a market on-close operation for a market is provided. Buy orders and sell orders for tradeable assets are obtained. A time of market close is obtained. A respective buy order is matched to a respective sell order, but without a price. The respective order quantity match is locked-in without a price. A close price for the tradeable asset in the given primary market is obtained and the quantity match is executed. A fill message is transmitted to the respective buyer and the respective seller with the quantity matched and the close price for the tradeable asset.

Abstract: A method and system for determining and sending or posting an electronic value for an index is provided. A list of sectors is obtained. The system then accesses a database storing company information. Eligible securities are selected, assigned to sectors and ranked within each sector. A weight for each eligible security is determined. An amount for the index value of the selected eligible securities based on the weighting is calculated. The index value may be posted or outputted electronically.

Abstract: A method and system for determining and sending or posting an electronic value for an index is provided. A list of sectors is obtained. The system then accesses a database storing company information. Eligible securities are selected, assigned to sectors and ranked within each sector. A weight for each eligible security is determined. An amount for the index value of the selected eligible securities based on the weighting is calculated. The index value may be posted or outputted electronically.