Description
NSE announces adjustments to futures and options contracts for HDFC Asset Management Company Limited due to 1:1 bonus issue, effective November 26, 2025.
Summary
NSE has announced adjustments to Futures and Options contracts for HDFC Asset Management Company Limited (HDFCAMC) following a 1:1 bonus issue announcement. The adjustment factor is 2, with revised market lot of 300 shares and quantity freeze limit of 9,000 shares. All changes are effective from the ex-date of November 26, 2025.
Key Points
- Company: HDFC Asset Management Company Limited (HDFCAMC)
- Corporate Action: Bonus issue in ratio 1:1
- Face Value: Rs 5/-
- Ex-Date and Effective Date: November 26, 2025
- Adjustment Factor: 2
- Revised Market Lot: 300 shares
- Revised Quantity Freeze Limit: 9,000 shares
- Strike Price Adjustments: All existing strike prices divided by 2 (detailed in Annexure 1)
- Revised Strike Scheme: Available in Annexure 2, effective from trade date after ex-date
Regulatory Changes
This adjustment is made in pursuance of SEBI guidelines for adjustments to futures and options contracts on announcement of corporate actions. The methodology ensures fair treatment of all derivative positions while maintaining market integrity.
Compliance Requirements
- Members must load updated contract files (NSE_FO_contract_ddmmyyyy.csv.gz) and spread files (NSE_FO_spdcontract_ddmmyyyy.csv.gz) on trading applications before trading on the ex-date
- Files are available from the directory faoftp/faocommon on the Extranet server
- MII contract and spread files are also available on NSE website at: https://www.nseindia.com/all-reports-derivatives
- Adjustment details can be referred at: https://www.nseindia.com/products-services/equity-derivatives-corporate-actions-adjustments
- Position adjustment methodology will be separately intimated by respective Clearing Corporation
Important Dates
- Circular Date: November 25, 2025
- Ex-Date/Effective Date: November 26, 2025
- Revised Strike Scheme Effective: Trade date after November 26, 2025
- Option Expiry Referenced: December 30, 2025
Impact Assessment
Market Impact: High - All existing HDFCAMC futures and options positions will be adjusted with the adjustment factor of 2. Strike prices will be halved, and lot sizes will be modified to 300 shares.
Operational Impact: Trading members must update their systems with new contract specifications before the ex-date to ensure seamless trading. Failure to update may result in trading disruptions.
Investor Impact: All existing positions will be automatically adjusted. For example, old strike price of 5000 becomes 2500, old strike of 4400 becomes 2200, etc. The revised prices and lot sizes will appear in decimal places initially and will be rounded off to the nearest tick size with lot sizes rounded to nearest integer.
Strike Price Examples (30-DEC-2025 expiry):
- 4400 → 2200
- 4500 → 2250
- 5000 → 2500
- 5700 → 2850
For queries, members can contact NSE at toll-free number 1800-266-0050 (Option 1) or email msm@nse.co.in.
Impact Justification
Major corporate action requiring immediate contract adjustments for all F&O positions in HDFCAMC with specific parameters for strike prices, lot sizes, and position adjustments