The algorithm is designed so that the index price may be updated by the last price paid or the best bid/offer, if the best bid is above the last index price or the best offer is below the last index price. If no last price paid exists on a given trading day the best bid/offer will be used as the index price, if it is better than the last index price.
The KFX index will continue to be reviewed solely on the basis of the last price paid. Foreign shares
Today, the number of foreign shares in the KFMX index is adjusted biannually. This will be changed to once a month as from 15 June 2001 in order for the index to follow the monthly review of the new GICS indices.