Description
NSE announces adjustment of F&O contracts for MCX stock following 5:1 stock split, effective January 2, 2026. Market lot revised to 625 and quantity freeze limit to 12,500.
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, with revised market lot of 625 shares and quantity freeze limit of 12,500 shares. Strike prices for existing option contracts will be adjusted proportionately.
Key Points
- Company: MULTI COMMODITY EXCHANGE OF INDIA LIMITED (Symbol: MCX)
- Corporate Action: Stock Split at 5:1 ratio
- Face Value: Rs 10/-
- Ex-Date and Effective Date: January 2, 2026
- Adjustment Factor: 5
- Revised Market Lot: 625 shares
- Revised Quantity Freeze Limit: 12,500 shares
- Strike prices adjusted for 16 option contracts expiring January 27, 2026 (partial list provided)
- Example adjustments: Strike 8000 → 1600, Strike 9900 → 1980
Regulatory Changes
Adjustments made in pursuance of SEBI guidelines for futures and options contracts on announcement of corporate actions. Revised strike prices and lot sizes will be rounded to nearest tick size and nearest integer respectively. The revised strike scheme becomes effective from the trade date after the ex-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 applications before trading on January 2, 2026
- Files available from faoftp/faocommon directory on Extranet server
- MII contract and spread files also available 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 communicated by respective Clearing Corporation
Important Dates
- Circular Date: January 1, 2026
- Ex-Date/Effective Date: January 2, 2026
- Revised Strike Scheme Effective: Trade date after January 2, 2026
- Option Contracts Expiry (shown in annexure): January 27, 2026
Impact Assessment
High impact on market participants with open positions in MCX futures and options. All existing contracts will be adjusted with new strike prices (divided by 5) and increased lot size (multiplied by 5). Traders must update their systems with new contract specifications before market opening on January 2, 2026. Failure to update may result in incorrect position tracking and potential trading errors. The quantity freeze limit increase to 12,500 shares provides proportionate risk management framework post-split.
Impact Justification
Stock split requires mandatory adjustment of all F&O contracts with revised strike prices, lot sizes, and quantity freeze limits. High impact on traders with open positions in MCX derivatives.