The National Stock Exchange (NSE) on June 22, 2026, notified regarding the Revision in Strike intervals in Options contracts on Indian Stocks.
The following has been stated:
• NSE has announced the revision of strike intervals for options contracts on Indian stocks in line with changes made in the reference market. As per the circular, new options contracts with September 2026 expiry incorporating the revised strike intervals will be introduced from June 30, 2026, at 3:30 PM onwards.
• Further, options contracts with July 2026 and August 2026 expiries will be made available with the revised strike intervals from July 01, 2026, onwards.
• Trading members have been advised to update and load the revised ni_contract.gz contract file in their trading applications before the commencement of trading on the respective dates.
• The updated file will be available in the /gtftp/gtcommon directory on the exchange's extranet server.
[Notification no. - NSEIFSC/TRADE/2651]