SEBI Revises CAS Rules: What It Means for BSE, NSE and Brokerage Stocks

India’s capital market stocks, including BSE, NSE, Angel One and Motilal Oswal, are in focus following SEBI’s revised rules for the Closing Auction Session (CAS) and derivatives settlement.

Under the revised framework, the settlement price for index and stock derivatives on expiry days will be determined using the Volume Weighted Average Price (VWAP) of the final 30 minutes of regular trading.

The revised approach replaces the earlier proposed method of using the closing price determined through the CAS for derivatives settlement. The objective is to reduce sharp price movements around expiry and improve market stability.

The CAS will run from 3:30 PM to 3:40 PM. Most of the new provisions are scheduled to take effect from December 7, 2026.

The changes could influence trading volumes, brokerage activity and market behaviour around expiry days, making BSE, NSE, Angel One and Motilal Oswal important stocks to watch.

However, the actual impact on these companies will depend on how trading activity and investor behaviour respond to the new framework.

Disclaimer: This news is for informational and educational purposes only and should not be considered investment advice.