What are the new lot sizes for Index F&O contracts?
Starting November 20, 2024, the lot sizes for index futures and options (F&O) contracts on the NSE (PDF) and BSE (PDF) have changed. This change follows SEBI's new rules (WEB) to update the minimum contract value for index derivatives.
The new rules ensure that each index derivative contract is valued between ₹15 lakh and ₹20 lakh at the time of review. This change accounts for the significant increase in market prices, which have tripled since 2015. It also helps manage the risks and leverage involved in trading derivatives, ensuring they remain suitable for participants.
Updated lot sizes
NSE
| Index | Symbol | Previous lot size | New lot size |
| Nifty 50 | NIFTY | 25 | 75 |
| Nifty Bank | BANKNIFTY | 15 | 30 |
| Nifty Financial Services | FINNIFTY | 25 | 65 |
| Nifty Midcap Select | MIDCPNIFTY | 50 | 120 |
| Nifty Next 50 | NIFTYNXT50 | 10 | 25 |
BSE
| Index | Previous lot size | New lot size |
| BSE Sensex | 10 | 20 |
| BSE Bankex | 15 | 30 |
| BSE Sensex 50 | 25 | 60 |
Changes to new and existing contracts
-
New contracts:
The updated lot sizes apply to all index derivative contracts (weekly, monthly, quarterly, and half-yearly) introduced on or after November 20, 2024.
-
Existing contracts:
Weekly and monthly contracts created before November 20 will continue with their previous lot sizes until they expire.
Quarterly and half-yearly contracts will adopt the new lot sizes on the following dates:- December 25, 2024, for BANKNIFTY
- December 27, 2024, for NIFTY
As part of the same regulation
(WEB),
SEBI has also discontinued certain weekly index F&O contracts
from 20th November 2024.
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