Revision in Market Lot of Derivative Contracts on Individual Stocks
NSE circular NSE/FAOP/76657 · 30 Sept 2026
Official record
Open source pageSummary
Check the official recordWhat changed
The National Stock Exchange of India Limited revises market lots for derivative contracts on individual stocks. This change follows SEBI guidelines for periodic lot size adjustments. The exchange revises 7 stocks downwards for November 2026 and later expiries. It revises 27 stocks upwards and 9 stocks downwards for January 2027 and later expiries. The market lots for 167 stocks remain unchanged. Members must load updated contract files into their trading applications before trading on October 28, 2026. The exchange excludes BAJAJHLDNG, IEX, and IREDA from this review due to their removal from the Futures and Options segment. Day spread order books remain unavailable for December 2026 and January 2027 combination contracts.
What you must do
- Members must load updated contract files into the trading application before trading on October 28, 2026.
Key dates
- Effective from
- 28 Oct 2026
Document text
National Stock Exchange of India Limited
Circular
| Department: FUTURES & OPTIONS | |
|---|---|
| Download Ref No: NSE/FAOP/76657 | Date: September 30, 2026 |
| Circular Ref. No: 134/2026 |
All Members,
Revision in Market Lot of Derivative Contracts on Individual Stocks
In pursuance of SEBI guidelines for periodic revision of lot sizes for derivatives contracts specified in the SEBI circular SEBI/HO/MRD-PoD2/CIR/P/2024/00181 dated December 30, 2024, the market lots of derivatives contracts shall be revised as follows:
| Sr. No | Underlying whose Derivative contract size shall be | Count of Underlying | Effective date | Annexure Number |
|---|---|---|---|---|
| 1 | Revised Downwards | 7 | October 28, 2026 | |
| (for November 2026 & later expiries) | 1 | |||
| 2 | Revised Upwards | 27 | October 28, 2026 | |
| (for January 2027 & later expiries) | 2 | |||
| 3 | Unchanged | 167 | - | 3 |
| 4 | Revised Downwards but new lot size is not a multiple of old lot size | 9 | October 28, 2026 | |
| (for January 2027 & later expiries) | 4 |
Note: Following securities BAJAJHLDNG, IEX and IREDA were not part of review of lot size due to exclusion from Futures and Options segment w.e.f from October 28, 2026.
To avoid operational complexities, in case of Annexure 2 and 4 above, following will be applicable:
- Contracts with maturity of November 2026 and December 2026 would continue to have the existing market lot. All subsequent contracts i.e. January 2027 expiry and beyond will have revised market lot.
- Day spread order book will not be available for the combination contract of December 2026 – January 2027 expiry.
Continuation Sheet
National Stock Exchange of India Limited
For the purpose of the computation, the average of the closing price of the underlying has been taken for one month period of September 01st – September 30th 2026.
Members are advised to load the updated contract.gz, spd_contract.gz, NSE_FO_contract_ddmmyyyy.csv.gz and NSE_FO_spdcontract_ddmmyyyy.csv.gz file in the trading application before trading on October 28, 2026. This file can be obtained from the directory faoftp/faocommon on the Extranet server.
This circular shall come into effect from October 28, 2026.
For and on behalf of
National Stock Exchange of India Limited
Aarti Surve
Chief Manager
| Toll Free No | Email id |
|---|---|
| 1800-266-0050 (Option 1) | msm@nse.co.in |
Source details
- Source
- National Stock Exchange of India
- Type
- circular
- Published by source
- 30 Sept 2026
- Document number
- NSE/FAOP/76657
- Issuing division
- FUTURES & OPTIONS
- Effective date
- 28 Oct 2026
- Coverage area
- securities