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Mumbai: The National Stock Exchange (NSE) has changed expiry days of its F&O contracts for Nifty,
Bank Nifty, FinNifty,
Nifty Next50, and Nifty Midcap Select, to Monday from the existing Thursday. In a circular on Tuesday, the exchange said these changes will take effect from April 4. In the case of monthly contracts,
expiries will happen on the last Monday of every month. Nifty’s weekly contracts will also expire on Mondays.
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https://economictimes.indiatimes.com/markets/stocks/news/fo-expiry-days-for-nifty-bank-nifty-changed-to-monday/articleshow/118720911.cms