”As part of its mandate, SEBI seeks to maintain orderly and efficient functioning of the market and has put in place a set of well defined, publicly available surveillance measures (including the ASM framework) to address excessive volatility in specific stocks. This mechanism gets automatically triggered under certain conditions of price volatility in any stock,” Sebi said in a statement.
NSE overhauls closing price discovery, changes F&O expiry settlement rules from December 7
The NSE has announced changes to the Closing Auction Session (CAS) in the equity cash segment and trading rules in the equity derivatives segment, effective
November 7, 2026