NSE Closing Auction Sees Record Rs 39,718 Crore Turnover
By Market Desk
National Stock Exchange’s Closing Auction Session recorded Rs 39,718 crore turnover on Monday, driven by the MSCI August 2026 Index Review, marking a significant surge in market activity.
The National Stock Exchange (NSE) recorded a substantial Rs 39,718 crore turnover during its Closing Auction Session (CAS) on Monday, August 31, 2026. This figure represented 22% of the day’s total cash market turnover.
- CAS Turnover: Rs 39,718 crore
- Share of Total Cash Market Turnover: 22%
- Unique Investors: Over 98,000
- NSE Market Share (CAS): 99.9%
- Turnover Increase vs. Previous Session: Approximately 42 times higher
This significant surge in activity coincided directly with the implementation of the MSCI August 2026 Index Review. It marked the first major index rebalancing event since the CAS mechanism’s introduction earlier in August. Passive investors typically utilize such mechanisms for portfolio adjustments during these periods.
A Month of Closing Auction Performance
Monday’s session also marked one month since the closing auction mechanism went live on August 3. In its inaugural month, the NSE’s CAS accumulated a total turnover of approximately Rs 63,000 crore. During this period, NSE maintained a dominant market share of 98.2% in the CAS.
- Determines closing price for cash segment stocks with derivative contracts.
- Aggregates buy and sell interest at market close.
- Enhances transparency, integrity, and fairness in closing price discovery.
The Securities and Exchange Board of India (Sebi) decided to introduce the CAS in the Indian capital markets. This move aims to align the domestic market with established global best practices for closing price determination.