Description
NSE announces adjustment parameters for HDFCBANK F&O contracts due to 1:1 bonus issue effective August 26, 2025.
Summary
NSE has announced adjustment parameters for Futures and Options contracts in HDFCBANK due to a 1:1 bonus issue. The adjustments will be effective from August 26, 2025, with an adjustment factor of 2 and revised market lot of 1100.
Key Points
- Company: HDFC BANK LIMITED (HDFCBANK)
- Corporate action: 1:1 bonus issue (face value Re 1/-)
- Ex-date and effective date: August 26, 2025
- Adjustment factor: 2
- Revised market lot: 1100
- Strike prices and futures base prices will be provided one day prior to ex-date
Regulatory Changes
- Contract adjustments follow SEBI guidelines for corporate actions in derivatives
- Revised parameters will appear in decimal places and be rounded to nearest tick size
- Lot sizes will be rounded to nearest integer
Compliance Requirements
- Members must load updated contract.gz and spread files before trading on ex-date
- Files available from faoftp/faocommon directory on Extranet server
- MII contract and spread files also available on NSE website derivatives section
- Position adjustment methodology to be communicated separately by Clearing Corporation
Important Dates
- July 31, 2025: Circular announcement date
- August 25, 2025: Contract files with revised parameters available
- August 26, 2025: Ex-date and effective date for adjustments
Impact Assessment
Routine corporate action adjustment affecting HDFCBANK derivatives trading. Members need to ensure system updates before trading resumes. No significant market disruption expected as this follows standard adjustment procedures.
Impact Justification
Routine corporate action adjustment affecting F&O contracts of major banking stock