Revision in Scheme of Strikes in Stock Options
NSE circular NSE/FAOP/76436 · 21 Sept 2026
Official record
Open source pageSummary
Check the official recordWhat changed
The National Stock Exchange of India Limited updates the strike scheme for stock options. This update changes the step values and the number of strikes for specific stocks. These changes apply to trading from September 30, 2026. Trading members must load the updated contract.gz file into their trading application before they trade. Members obtain this file from the extranet server directory.
What you must do
- Load the updated contract.gz file in the trading application before trading.
Key dates
- Effective from
- 30 Sept 2026
- Effective date for revised strike scheme
- 30 Sept 2026
Document text
[Image omitted. See the official document.]
National Stock Exchange of India Limited
Circular
| Department: FUTURES & OPTIONS | |
|---|---|
| Download Ref No: NSE/FAOP/76436 | Date: September 21, 2026 |
| Circular Ref. No: 128/2026 | |
All Members,
Revision in Scheme of Strikes in Stock Options
This is in reference to chapter 1.11 of strike scheme of stock options provided in circular NSE/FAOP/73928 dated April 28, 2026, regarding F&O Consolidated Circular for trading.
Members are requested to note that the list of stocks with the revised applicable step values and number of strikes as per the aforesaid circular which shall be available for trading w.e.f September 30, 2026 is provided in Annexure.
Members are advised to load the updated contract.gz file in the trading application before trading. The file can be obtained from the directory /faoftp/faocommon on the extranet server.
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
- 21 Sept 2026
- Document number
- NSE/FAOP/76436
- Issuing division
- FUTURES & OPTIONS
- Effective date
- 30 Sept 2026
- Coverage area
- securities