Description
NSE announces adjustment of F&O contracts in ONGC for dividend of Rs 6/- per share with ex-date November 14, 2025.
Summary
NSE has announced the adjustment of Futures and Options contracts in Oil & Natural Gas Corporation Limited (ONGC) due to a dividend declaration. The company will pay a dividend of Rs 6/- per share (face value Rs 5/-) with the ex-date and effective date of November 14, 2025. Revised option strike prices and futures base prices will be provided one day prior to the ex-date.
Key Points
- Company: Oil & Natural Gas Corporation Limited (ONGC)
- Corporate Action: Dividend
- Face Value: Rs 5/-
- Dividend Amount: Rs 6/- per share
- Ex-Date & Effective Date: November 14, 2025
- Revised strike prices will be decimal-adjusted and rounded to nearest tick size
- Lot sizes will be rounded to nearest integer
- Updated contract files must be loaded before trading on ex-date
Regulatory Changes
This adjustment is in pursuance of SEBI guidelines for corporate action adjustments in futures and options contracts. The revised option strike prices and futures base prices will be calculated and provided in accordance with NSE’s standard adjustment methodology for dividend distributions.
Compliance Requirements
- Members must load updated contract.gz/MII contract files (NSE_FO_contract_ddmmyyyy.csv.gz) and spread files (NSE_FO_spdcontract_ddmmyyyy.csv.gz) on trading applications before trading on November 14, 2025
- Files available from faoftp/faocommon directory on Extranet server
- Alternative access via NSE website: https://www.nseindia.com/all-reports-derivatives
- Members should refer to adjustment details at: https://www.nseindia.com/products-services/equity-derivatives-corporate-actions-adjustments
- Position adjustment methodology to be separately communicated by Clearing Corporation
Important Dates
- Circular Date: November 11, 2025
- Ex-Date & Effective Date: November 14, 2025
- Contract File Availability: One day prior to ex-date (November 13, 2025)
- Revised Strike Prices Publication: One day prior to ex-date (November 13, 2025)
Impact Assessment
Market Impact: Medium - All existing F&O positions in ONGC will be adjusted for the Rs 6/- dividend. The high dividend amount (120% of face value) will result in notable adjustments to strike prices and base prices.
Operational Impact: Members with open positions in ONGC derivatives must ensure their systems are updated with the revised contract specifications. Failure to load updated files may result in incorrect pricing and order rejections. The decimal adjustments to strike prices and lot sizes require careful system configuration.
Trading Impact: Traders holding ONGC F&O positions should be aware of the automatic adjustments to their positions. The quantity freeze limits will also be revised and available in the updated contract files.
Contact: For queries, members can reach NSE at toll-free 1800-266-0050 (Option 1) or email msm@nse.co.in
Impact Justification
Standard dividend adjustment affecting all F&O positions in ONGC. Members must update systems before ex-date to ensure accurate pricing and settlement.