Description
NSE announces 5:1 stock split adjustment for MCX futures and options contracts effective January 2, 2026, with revised market lot of 625 and adjustment factor of 5.
Summary
National Stock Exchange has announced adjustments to Futures and Options contracts for Multi Commodity Exchange of India Limited (MCX) following a 5:1 stock split. The face value changes from Rs 10/- and the ex-date is January 2, 2026. The adjustment factor is 5 and the revised market lot will be 625 shares.
Key Points
- Security: MCX (Multi Commodity Exchange of India Limited)
- Corporate Action: Stock Split at ratio 5:1
- Face Value: Rs 10/-
- Ex-Date/Effective Date: January 2, 2026
- Adjustment Factor: 5
- Revised Market Lot: 625 shares
- Revised Strike Prices: Will be provided one day prior to ex-date
- Contract Files: Updated contract.gz and MII contract files will be available one day before ex-date
Regulatory Changes
Adjustments are made in pursuance of SEBI guidelines for futures and options contracts on announcement of corporate actions. Members must load updated contract files before trading on the effective date.
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 application before trading on January 2, 2026
- Files can be obtained from faoftp/faocommon directory on Extranet server
- Files also available on NSE website at https://www.nseindia.com/all-reports-derivatives
- Position adjustment methodology will be separately communicated by Clearing Corporation
Important Dates
- December 23, 2025: Circular issued
- January 1, 2026: Revised option strike prices, lot sizes and contract details to be published
- January 2, 2026: Ex-date and effective date for split adjustment
Impact Assessment
Market Impact: High - All existing MCX futures and options contracts will be adjusted with new strike prices and lot sizes. Traders holding positions must be aware of the 5x adjustment factor.
Operational Impact: High - Trading members must ensure systems are updated with new contract specifications before market opening on January 2, 2026 to avoid trading disruptions.
Trading Impact: The 5:1 split will result in 5 times more shares per contract with proportionally adjusted strike prices, making the security more accessible for smaller traders while maintaining equivalent economic exposure.
Impact Justification
5:1 stock split requires mandatory adjustments to all existing F&O positions in MCX with revised strike prices and lot sizes, affecting all derivative traders in this security