NSE revises market lots for derivatives contracts on 50 individual stocks effective April 29, 2026, pursuant to SEBI guidelines for periodic lot size revision (SEBI circular dated December 30, 2024).
Impact
High
Severity
High
Justification
Affects derivatives contracts across 50 underlying stocks covering major indices constituents; requires members to update trading systems before April 29, 2026. Lot size changes directly impact margin requirements, position limits, and trading strategies for a large number of widely-traded F&O stocks.
NSE Clearing Limited releases the revised list of securities available for transactions under the Securities Lending and Borrowing Scheme (SLBS) for April 2026, containing over 175+ eligible securities.
Impact
Medium
Severity
Low
Justification
Routine monthly update to the SLBS eligible securities list effective April 2026, relevant to participants and custodians engaged in securities lending and borrowing. Impacts a broad universe of stocks but is a standard periodic revision rather than a structural change.
NSE circular specifying Market Wide Position Limits (MWPL) and trading limits for TM, FII/FPI Category I & II, and Mutual Funds across F&O eligible securities effective March 2026.
Impact
High
Severity
Medium
Justification
Routine periodic MWPL update affecting all F&O market participants including trading members, FIIs/FPIs, and mutual funds; high impact due to mandatory position limit compliance obligations across a large number of actively traded securities.
NSE Clearing Limited publishes the revised list of securities available for transactions under the Securities Lending & Borrowing Scheme (SLBS) for the month of March 2026, comprising hundreds of eligible symbols.
Impact
Medium
Severity
Low
Justification
Routine monthly update to the SLBS-eligible securities list affecting participants and custodians engaged in securities lending and borrowing. Impacts a broad set of securities across the market for March 2026 but is a standard periodic revision rather than a policy change.
BSE announces demat auction for Settlement No. 815 dated February 9, 2026, listing securities and quantities across 445 scrips for auction settlement.
Impact
Medium
Severity
Medium
Justification
Routine demat auction for settlement of delivery shortages affecting 445 scrips. Standard market operation with localized impact on specific trades and positions.
BSE demat auction list for settlement number 815 dated February 9, 2026, containing 223 scrips with their respective auction quantities.
Impact
Medium
Severity
Medium
Justification
Routine demat auction list affecting multiple securities across various sectors. Important for settlement obligations but part of regular market operations.
List of securities and quantities scheduled for demat auction under settlement number 812 dated February 5, 2026.
Impact
Medium
Severity
Medium
Justification
Routine demat auction notice affecting 142 securities with varying quantities. Medium importance as it impacts specific shareholders who failed to deliver securities in time, requiring them to participate in auction or face buy-in consequences.
BSE demat auction settlement listing 139 scrips with quantities to be auctioned for settlement number 812 dated February 5, 2026.
Impact
Medium
Severity
Medium
Justification
Routine demat auction settlement affecting 139 scrips with varying quantities. This is a standard market operation to address delivery failures, impacting specific brokers and clients who failed to deliver securities.
BSE demat auction settlement listing securities and quantities for settlement number 812, involving multiple scrips across various sectors including power, finance, infrastructure, and manufacturing companies.
Impact
Medium
Severity
Medium
Justification
Settlement auction affects trading members and participants with short delivery obligations across 140+ scrips. Medium impact as it's a routine settlement mechanism but involves significant number of securities and quantities.