The National Stock Exchange (NSE) on April 23, 2026, issued a circular regarding a revision in the frequency of real-time index dissemination.
The following has been stated:
It has issued a circular, from the Member Service Department, announcing a revision in the frequency of real-time dissemination of the Nifty 50 index on the trading system for both CM and FO segments. The current dissemination frequency of 500 milliseconds (0.5 seconds) will be increased to 250 milliseconds (0.25 seconds), enabling faster index updates. Members are advised to take note of this change and ensure their systems are capable of handling the higher data frequency. The effective date of implementation has not been specified.
[Circular No. 26/2026]