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04 Oct 2025, 01:15 PM
Revision in lot size of Index derivative contracts from December 30, 2025
NSE will revise the lot size of Index derivative contracts with effect from December 30, 2025. All contracts expiring after the effective date will trade with the revised market lot size. Here is a summary table published by the exchange:
| Sr. No. | Index | Symbol | Present Market Lot | Revised Market lot |
| 1 | NIFTY 50 | NIFTY | 75 | 65 |
| 2 | NIFTY BANK | BANKNIFTY | 35 | 30 |
| 3 | NIFTY FINANCIAL SERVICES | FINNIFTY | 65 | 60 |
| 4 | NIFTY MIDCAP SELECT | MIDCPNIFTY | 140 | 120 |
All the changes will come into effect from the following expires:
| Index |
Expiry |
Last expiry with existing lot size |
First expiry with revised lot size |
| Expiry Date | Expiry Date | ||
| Nifty 50 | Weekly | December 23, 2025 | January 06, 2026 |
| Monthly | December 30, 2025 | January 27, 2026 | |
| Quarterly & half yearly | March 31, 2026* | Lot size of all existing quarterly and half yearly expiry contracts will be revised from December 30, 2025 (EOD) |
|
| Nifty Bank | Monthly | December 30, 2025 | January 27, 2026 |
| Quarterly | March 31, 2026* | Lot size of all existing quarterly expiry contracts will be revised from December 30, 2025 (EOD) |
|
| Nifty Financial Services | Monthly | December 30, 2025 | January 27, 2026 |
| Nifty Midcap Select | Monthly | December 30, 2025 | January 27, 2026 |
Click here to check the exchange circular.