NSE overhauls key trading rules: CAS, F&O expiry trading hours revised - What changes from December 7?

Résumé détaillé

The NSE will overhaul the Closing Auction Session from December 7, shortening it to 10 minutes and revising closing-price discovery.

The National Stock Exchange (NSE) is set to overhaul Closing Auction Session (CAS) in the equity cash segment and trading modalities from December 7, announced the exchange on Friday, November 6. NSE has announced a set of changes to the closing price discovery process in the equity cash segment and trading modalities in the equity derivatives segment.

In its two separate circulars, NSE issued details of rules overhaul. The development has come days after the Securities and Exchange Board of India (SEBI) reviewed the Closing Auction Session, market timings and settlement methodology for derivatives contracts.

The CAS duration will be shortened to 10 minutes. Additionally, the methodology for determining closing prices of eligible stocks will also be revised. Extension of derivatives trading hours to 3:45 pm.

As per the NSE circular, CAS shall continue to be applicable on security on which…

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