National Stock Exchange (NSE) will stop weekly derivative expiries for three indices which include Nifty Bank, Nifty Midcap Select and Nifty Financial Services. NSE will keep Nifty 50 as the sole weekly expiry index

What Happened: The decision was made after the market regulator SEBI’s October 1 circular to strengthen the futures and options framework stipulated stock exchanges can have only one benchmark index for weekly expiry.

The last expiry dates for the discontinued indices are November 13, November 18 and November 19 for Nifty Bank, Nifty Midcap Select and Nifty Financial Services respectively. 

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BSE on October 3 said it will discontinue weekly index derivatives on Sensex 50 and Bankex. These indices will be discontinued from November 14 and November 18 respectively.

SEBI's order also includes raising the minimum trading amount for derivatives from ₹₹5-10 lakhs to ₹15 lakh at first and subsequently between ₹15lakh and ₹20 lakh.

The new mandate was made to control the speculative nature of options trading which heightened during expiry days. 

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