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3h ago

BSE Sets Dec. 8 Launch for Pre-Open Trading in Index, Stock Futures

Testing in a simulation environment begins October 6 to let brokers validate front-end changes.

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Securities and Exchange Board of India | Image: SEBI
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Overview

  • India’s oldest bourse confirmed a pre-open window for the F&O segment will go live on Monday, December 8, 2025.
  • The exchange will open the feature for testing on October 6, 2025, in a simulation setup for market participants.
  • BSE says no changes are required to the ETI API or market data feeds, and it will reuse the equity pre-open message structures for derivatives.
  • Trading members and third-party vendors are instructed to update their front-end applications and complete testing to ensure readiness.
  • The initiative is intended to improve price discovery and curb opening volatility, with detailed modalities to be issued in a separate circular and coverage noting alignment with a SEBI directive.