Hello Zerodha, As everyone knows Option Chain Data is updated in 3 minutes in NSE website. There are some brokerage house and some data provider who are giving facility of real time data update during live market expect OI and CHOI. OI and CHOI update just as NSE website in 3 min. I just want to know, If I get option chain data in excel sheet using kite api, can I get real time data update including OI and CHOI during live market.