Description

Revision in the constituents of BSE BANKEX will be effective from December 26, 2025, following SEBI circular and previous exchange notices.

Summary

BSE has announced changes to the constituents of the BSE BANKEX index, effective from December 26, 2025. This revision follows SEBI Circular No. HO/47/15/11(1)2025-MRD-TPD1/I/63/2025 dated October 30, 2025, and is in continuation of previous exchange notices (20251119-37 and 20251121-50).

Key Points

  • Revision in BSE BANKEX constituents effective from December 26, 2025
  • Change implemented pursuant to SEBI circular dated October 30, 2025
  • Notice is in continuation of earlier exchange notices 20251119-37 and 20251121-50
  • Applies to the Derivatives segment

Regulatory Changes

This change is implemented in accordance with SEBI Circular No. HO/47/15/11(1)2025-MRD-TPD1/I/63/2025 dated October 30, 2025. The revision represents a periodic rebalancing of the BSE BANKEX index constituents.

Compliance Requirements

  • Market participants trading in BSE BANKEX derivatives should review their positions and strategies in light of the constituent changes
  • Traders and investors should refer to the previous notices (20251119-37 and 20251121-50) for specific details on which stocks are being added or removed
  • Derivative contract specifications may be affected by the index rebalancing

Important Dates

  • Notice Date: November 25, 2025
  • Effective Date: December 26, 2025
  • Related SEBI Circular Date: October 30, 2025
  • Previous Exchange Notices: November 19, 2025 (Notice 20251119-37) and November 21, 2025 (Notice 20251121-50)

Impact Assessment

The revision of BSE BANKEX constituents will impact:

  • Derivatives Trading: Existing derivative contracts based on BSE BANKEX will need to be adjusted for the new constituents
  • Index Tracking: Passive investment strategies and ETFs tracking BSE BANKEX will need to rebalance their portfolios
  • Market Liquidity: Stocks being added to the index may see increased trading activity, while removed stocks may experience reduced interest
  • Trading Strategies: Algorithmic and systematic trading strategies based on BANKEX composition will require updates

The change is part of regular index maintenance and should not cause market disruption as participants have been given advance notice through multiple circulars.

Impact Justification

Index constituent changes affect derivative contracts and trading strategies but are routine periodic rebalancing events with advance notice