This refers to SEBI Circular No. SEBI/HO/MRD/TPD-1/P/CIR/2024/132 dated October 01, 2024, which strengthens the equity index derivatives framework for investor protection and market stability. As per the circular, index derivative contracts must have a value of at least Rs. 15 lakhs at launch and the lot size should ensure a contract value between Rs. 15 lakhs and Rs. 20 lakhs at review. The revised lot size is based on the average closing price of the underlying index from September 16 to October 15, 2024.
The contracts will have the revised lot size as follows:
| S.No | Index | Symbol | Existing Lot Size | Revised Market Lot | Exchange |
| 1 | Nifty 50 | NIFTY | 25 | 75 | NSE |
| 2 | Nifty Bank | BANKNIFTY | 15 | 30 | NSE |
| 3 | Nifty Financial Services | FINNIFTY | 25 | 65 | NSE |
| 4 | Nifty Midcap Select | MIDCPNIFTY | 50 | 120 | NSE |
| 5 | Nifty Next 50 | NIFTYNXT50 | 10 | 25 | NSE |
| 6 | BSE Sensex | SENSEX | 10 | 20 | BSE |
| 7 | BSE Bankex | BANKEX | 15 | 30 | BSE |
| 8 | BSE Sensex 50 | SENSEX 50 | 25 | 60 | BSE |
- Impact on existing contracts introduced before Nov 21, 2024
·The existing weekly and monthly expiry contracts will continue with the current lot size until they expire.
The existing quarterly and half-yearly contracts will transition to the new lot size as follows:
- BANKNIFTY: December 24, 2024 (EOD)
- NIFTY: December 26, 2024 (EOD)
- BSE Sensex: December 27, 2024 (EOD)
2. Guidance on users holding existing contracts (Quarterly and half-yearly contracts)
Option 1: Adjust your position to align with the updated market lot size on or before the specified transition date.
Option 2: Alternatively, you may choose to liquidate your position before the new lot size is applied.
Note – In case no option is chosen by the client, then the will be continued to its expiry. (Neither broker nor client would be able to square off their position).
