ISE market data are disseminated in real time and delayed through licensed data vendors of ISE.

ISE data which are classified taking into account the needs of users are categorized under two groups as market depth and basic. Market depth data is followed by professional users who rather monitor the market (portfolio managers, fund managers etc.). Basic data is rather preferred by long-term investors and delivered in real time or delayed is much comprehensive in content compared with other stock exchanges.

ISE delivers market depth and basic data to ten thousands of domestic and international users via more than a hundred data vendors.