Overview

• The new session extends the exchange’s pre-open mechanism to the equity derivatives segment for futures on indices and single stocks.
• Existing equity pre-open message structures and field definitions will be reused to standardize workflows.
• The exchange said no changes are required in the BSE ETI API or in market-data broadcast streams.
• Members and third-party vendors have been asked to update and test their front-end applications during the October window.
• BSE said further operational modalities will be issued via a separate circular, with coverage describing goals of better price discovery and lower early-session volatility.