Patent ID: 8392303

Claim:
A method for determining and sending or posting an electronic value for an index, comprising: obtaining a set of sectors for shares in the index and obtaining a respective group of selected eligible securities for each respective sector in the set of sectors; obtaining a current float adjusted market capitalization (FAMC) for each of a plurality of the selected eligible securities; determining, by one or more computers, an FAMC percentage for each of the plurality of the selected eligible securities, by dividing the current FAMC for the respective eligible security by a total of the FAMC's of the selected eligible securities in a respective sector of the respective selected eligible security; obtaining, by the one or more computers and an electronic network connection, a respective current share price for each of the selected eligible securities; determining, by the one or more computers, a respective current FAMC factor for each of a plurality of the respective selected eligible securities, by dividing an initial sector value for a period by a value obtained by multiplying the FAMC percentage for the respective selected eligible security by a current share price for the respective selected eligible security, wherein the initial sector value for a period is the same for all of the sectors in the index and is equal to a sum of weighted share prices of the selected eligible securities of the respective sector at a given initial point in time; calculating, by the one or more computers, a respective current weighted selected eligible security value, for each of the respective selected eligible securities, by applying the current FAMC factor for the respective selected eligible security to the current share price for the respective selected eligible security; calculating, by the one or more computers, an index value by summing current weighted selected eligible securities; and posting or outputting an electronic signal comprising the index value for further electronic dissemination.