Derivatives settlement rules directly affect trading costs and operational procedures for stock exchange participants; a review could ease or tighten those rules depending on SEBI's findings on the cited concerns.
Most affected
BSE shareholders — Stock price increased 5% on prospect of regulatory review. Derivatives traders using BSE — Potential changes to settlement rules they operate under pending review outcome.
Likely next
Whether SEBI formally initiates or completes the derivatives settlement rules review, and what changes if any it proposes.