As per SEBI guidelines, the market lot sizes for derivatives contracts on individual stocks and indices have been revised, effective from April 11, 2025. Below are the key changes:

Revised Market Lot Details

Key Notes:

• The lot size for underlying assets (Stocks and Indices) listed in Annexure I remains unchanged.

• The lot size for underlying assets (Stocks) listed in Annexure II will be revised starting April 11, 2025, for May 2025 and subsequent expiries.

• The lot size for underlying assets (Stocks) listed in Annexure III and underlying assets (Stocks & Indices) in Annexure IV will be revised starting April 11, 2025, but only for July 2025 and subsequent expiries.

• May 2025 and June 2025 expiry contracts will continue with the existing market lot sizes.

Plan of Action:

• Trading members are advised to review and align their open positions as per the revised market lot sizes.

• Ensure compliance with the updated lot sizes to avoid any adjustments.

• Positions that do not conform to the revised multiples may be subject to intervention by the RMS team.

For further details, refer to this circulars. The Annexures can be accessed in the circular attachment provided in the link.