NSE Option Chain Data Update Frequency


Does anyone know how often or what is the timelag between updation of data in NSE Option Chain and for Stock and Index Futures?

Some 3rd party platforms have lag of 10/15 minutes…


timelag not more than 1 min.

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I was using Sensibull through Zerodha. It is mentioned on their website that NSE data gets refreshed in every 3 mins.