The Colombo Stock Exchange (CSE) said yesterday it is revising the index calculation methodology of the All Share Price Index (ASPI) from full market capitalisation-weighting to free float-adjusted Market Capitalisation-weighting as notified to the market on 16 November. 



The Index methodology has been published on the CSE web site. The implementation of the said revision is scheduled to take place on 24 January 2022 (with effect from the market closure of 21 January 2022).

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