54 of our 324 stock indices are calculated in real time and the remaining 270 once a session close. In order to measure daily returns of variety of financial instruments such as debt securities, gold, bank deposit, profit share and mutual funds, total of 29 indices under the name of “BIST-KYD Indices” are calculated by Borsa İstanbul. The indices are used as benchmarks by the financial industry and they are all end-of-day indices.
Borsa İstanbul holds all the intellectual property rights to the BIST Indices and the Borsa İstanbul Market data. Therefore, financial institutions willing to issue financial products based on BIST indices and/or to calculate indices using Borsa İstanbul data have to sign a license agreement with Borsa İstanbul.