Description
NSE announces adjustments to HDFCBANK futures and options contracts due to 1:1 bonus issue effective August 26, 2025.
Summary
NSE has announced adjustments to futures and options contracts for HDFC Bank Limited (HDFCBANK) due to a 1:1 bonus issue. The adjustments include an adjustment factor of 2, revised market lot of 1100, and new strike prices effective from August 26, 2025.
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
- Revised quantity freeze limit: 22,000
- Revised strike prices and scheme provided in annexures
Regulatory Changes
- All futures and options contracts will be adjusted according to SEBI guidelines for corporate actions
- Strike prices will be halved due to the 2x adjustment factor
- Market lot size doubled from 550 to 1100
- New strike scheme becomes effective from trade date after ex-date
Compliance Requirements
- Members must load updated contract files (NSE_FO_contract_ddmmyyyy.csv.gz) and spread files before trading on ex-date
- Files available on Extranet server directory faoftp/faocommon
- Updated contract and spread files also available on NSE website
- Position adjustment methodology to be communicated separately by Clearing Corporation
Important Dates
- Ex-date and Effective date: August 26, 2025
- Strike scheme effective: Trade date after August 26, 2025
- Contract adjustments effective: August 26, 2025
Impact Assessment
High impact on derivatives trading in HDFCBANK as all existing positions will be adjusted. Strike prices ranging from 1680-2200 will be adjusted to 840-1100 range. Traders holding positions must prepare for the contract modifications and ensure systems are updated with new parameters.
Impact Justification
Major adjustment to derivatives contracts affecting one of India's largest banking stocks with significant trading volume