Description
NSE will introduce pre-open session for Index & Stock futures in the Equity Derivatives segment from December 08, 2025.
Summary
NSE will introduce Pre-Open Session for Index & Stock futures in the Equity Derivatives Segment starting December 08, 2025. This follows SEBI circular SEBI/HO/MRD/TPD-1/P/CIR/2025/79 dated May 29, 2025, regarding measures for enhancing trading convenience and strengthening risk monitoring in equity derivatives.
Key Points
- Pre-Open Session will be available for Index & Stock futures only
- Implementation date: Monday, December 08, 2025
- Testing environment available from October 04, 2025
- Mock sessions will be conducted before going live
- Additional operational details to be published in separate circular
Regulatory Changes
Introduction of new trading session in equity derivatives segment as per SEBI guidelines for enhancing trading convenience and risk monitoring.
Compliance Requirements
- Members must prepare for pre-open session implementation
- Participation in testing from October 04, 2025
- Compliance with mock session requirements
- Adherence to operational modalities (to be detailed in future circular)
Important Dates
- October 04, 2025: Testing environment available
- December 08, 2025: Pre-Open Session goes live
- Mock sessions: To be scheduled before live implementation
Impact Assessment
This enhancement will provide additional trading opportunities and improve price discovery in equity derivatives. Members will need to update their systems and trading strategies to accommodate the new session. The phased implementation with testing period allows adequate preparation time.
Impact Justification
New trading session introduction affects all F&O participants but is operational enhancement rather than regulatory requirement