NSE implements surveillance measures requiring minimum 35% margin for securities of companies with high promoter share encumbrance as per SEBI SAST Regulation 28(3), effective February 5, 2026.
Impact
High
Severity
High
Justification
Requires significant 35% margin increase on 8 newly added securities affecting both equity and derivatives trading, with immediate impact on open positions and trading costs for affected stocks.
BSE updates the list of securities under surveillance framework for companies with high promoter encumbrance as per SEBI SAST Regulation 28(3), effective February 3, 2026.
Impact
Medium
Severity
Medium
Justification
Affects 13 securities with enhanced surveillance measures due to high promoter encumbrance. 6 securities exiting the framework. Impacts trading conditions but is part of regular surveillance framework updates.
NSE updates market-wide position limits (MWPL) and participant limits for securities and ETFs in the Securities Lending and Borrowing Scheme (SLBS).
Impact
Medium
Severity
Medium
Justification
Operational circular updating position limits for SLBS participants across multiple securities and ETFs, affecting trading and lending operations but not introducing new rules.
NSE updates the list of securities eligible for Securities Lending and Borrowing Scheme (SLBS), comprising 214+ stocks across various sectors.
Impact
Medium
Severity
Medium
Justification
Updates eligible securities list for SLBS, affecting trading participants engaged in securities lending and borrowing activities. List includes major stocks across sectors including ETFs.
BSE circular listing 138 companies eligible for Group A classification, including major corporations across sectors such as Adani Group entities, banking, pharmaceuticals, automotive, and industrial companies.
Impact
Medium
Severity
Medium
Justification
This circular provides the official list of 138 companies eligible for Group A classification on BSE, affecting trading parameters and investor perception. Group A typically denotes the most liquid and actively traded securities, impacting trading limits, margins, and settlement processes for these companies.
NSE Clearing updates Market Wide Position Limits (MWPL) and position limits for Participants, Institutional Clients, and Non-Institutional Clients in the Securities Lending and Borrowing Scheme for January 2026.
Impact
Medium
Severity
Medium
Justification
Regular monthly update of position limits for Securities Lending and Borrowing Scheme affecting multiple securities and ETFs; important for participants engaged in SLBS activities but routine in nature.
BSE Demat Auction Settlement No. 786 listing securities and quantities for auction dated December 30, 2025.
Impact
Medium
Severity
Medium
Justification
Routine demat auction settlement affecting multiple securities for delivery shortfall resolution. Important for affected trading members and clients but part of standard market operations.
NSE Clearing publishes the revised list of 178+ securities eligible for transactions in the Securities Lending & Borrowing Scheme (SLBS) for January 2026.
Impact
Medium
Severity
Low
Justification
Routine monthly update of SLBS eligible securities list. Important for participants in securities lending/borrowing but represents normal operational maintenance rather than policy change.