On Monday, the National Stock Exchange (NSE) records a turnover of Rs 1,276 crore in its newly introduced Closing Auction Session. The session starts as part of Phase 1 of SEBI’s revised closing price discovery framework for eligible stocks. According to the report, the auction attracts significant trading activity, with the top 10 stocks accounting for about 30% of the total share in the session. The introduction of the Closing Auction Session is positioned as a structural change in how closing prices are determined for qualifying securities under SEBI’s updated framework. While the reports focus on the launch and the initial turnover and concentration among leading stocks, they do not provide details on changes for specific individual securities or how the auction mechanism differs beyond the new framework. Overall, the coverage indicates that the first day of implementation sees substantial volume and notable participation concentrated in the most actively traded constituents.