Description

BSE announces adjustments to F&O contracts for Oil and Natural Gas Corporation Ltd due to interim dividend of Rs. 6.00 per share with ex-date November 14, 2025.

Summary

BSE will adjust all Futures and Options contracts for Oil and Natural Gas Corporation Ltd (ONGC, Scrip Code: 500312) on November 13, 2025, due to an interim dividend of Rs. 6.00 per equity share. The adjustments will be effective from November 14, 2025 (ex-date), with the record date set as November 14, 2025 for the FY 2025-26 interim dividend payment.

Key Points

  • Company: Oil and Natural Gas Corporation Ltd (Derivative Asset Code: ONGC, Equity Scrip Code: 500312)
  • Dividend Amount: Rs. 6.00 per equity share (interim dividend for FY 2025-26)
  • Adjustment Date: November 13, 2025
  • Ex-Date: November 14, 2025
  • Record Date: November 14, 2025
  • All existing Futures and Options contracts will be adjusted

Regulatory Changes

Adjustments are made in pursuance of:

  • BSE Exchange notice number 20180710-26 regarding Review of Adjustment of corporate actions for stock options
  • SEBI Master circular No SEBI/HO/MRD/DP/CIR/P/2016/135 dated December 16, 2016

Compliance Requirements

For Options Contracts:

  • Full dividend value of Rs. 6.00 will be deducted from all strike prices
  • Strike prices will be adjusted at end of trading on November 13, 2025
  • Adjusted strike prices will be available for trading from November 14, 2025

For Futures Contracts:

  • Adjusted futures price = Reference rate minus Rs. 6.00 dividend amount
  • Reference rate = Daily mark-to-market settlement price of relevant futures contract on November 13, 2025
  • Adjusted rate will apply as base rate/previous close for trading on November 14, 2025

Action Required:

  • Trading members should contact their respective relationship managers for further details

Important Dates

  • November 12, 2025: Notice date
  • November 13, 2025: Adjustment date (contracts adjusted at end of day)
  • November 14, 2025: Ex-dividend date and Record date (adjusted contracts effective for trading)

Impact Assessment

Market Impact:

  • All existing Futures and Options positions in ONGC will be adjusted for the Rs. 6.00 dividend
  • Options traders will see all strike prices reduced by Rs. 6.00
  • Futures traders will see contract prices adjusted downward by Rs. 6.00 from the November 13 settlement price
  • This is a significant adjustment that will affect pricing and valuation of all derivative positions

Operational Impact:

  • Trading members must update their systems to reflect adjusted strike prices and futures base prices
  • Risk management systems need to account for the adjustment in position valuations
  • Clients holding derivative positions should be informed of the automatic adjustments to their contracts
  • ONGC is a heavily traded stock in derivatives segment, so the adjustment will impact a large number of market participants

Impact Justification

Mandatory adjustments to all F&O contracts on ONGC affecting strike prices and futures pricing, impacting all derivative traders with positions in this heavily traded stock