Description
NSE announces adjustment parameters for KOTAKBANK F&O contracts following a 5:1 stock split effective January 14, 2026, with adjustment factor of 5 and revised market lot of 2000.
Summary
NSE has announced the adjustment parameters for Futures and Options contracts in KOTAKBANK (Kotak Mahindra Bank Limited) following a 5:1 stock split. The face value will change from Rs 5/- with an adjustment factor of 5 and revised market lot of 2000 shares. Changes will be effective from January 14, 2026.
Key Points
- Company: Kotak Mahindra Bank Limited (Symbol: KOTAKBANK)
- Corporate Action Type: Stock Split
- Split Ratio: 5:1
- New Face Value: Rs 5/-
- Adjustment Factor: 5
- Revised Market Lot: 2000 shares
- Revised option strike prices will be provided one day prior to ex-date
- Contract.gz/MII contract and spread files must be updated before trading on ex-date
Regulatory Changes
Adjustments are made in pursuance of SEBI guidelines for futures and options contracts following corporate action announcements. Members must load updated contract files (NSE_FO_contract_ddmmyyyy.csv.gz and NSE_FO_spdcontract_ddmmyyyy.csv.gz) from the Extranet server directory faoftp/faocommon.
Compliance Requirements
- Members must update their trading applications with revised contract.gz/MII contract and spread files before January 14, 2026
- Files are available on Extranet server (faoftp/faocommon directory) and NSE website (https://www.nseindia.com/all-reports-derivatives)
- Members should refer to adjustment details 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: December 29, 2025
- Ex-Date and Effective Date: January 14, 2026
- Contract File Update: Available one day prior to ex-date (January 13, 2026)
- Revised Strike Prices: Will be provided one day prior to ex-date
Impact Assessment
This stock split will have significant impact on all existing KOTAKBANK F&O positions. With the adjustment factor of 5 and revised market lot increasing to 2000 shares, traders and systems must be prepared for the changes. All open positions will be adjusted according to the methodology to be communicated by the Clearing Corporation. Members must ensure their trading systems are updated with new contract specifications to avoid trading disruptions on the effective date. The split may affect margin requirements, quantity freeze limits, and futures prices for all KOTAKBANK derivative contracts.
Impact Justification
High impact as it affects all existing F&O positions in KOTAKBANK, requiring system updates and position adjustments. The 5:1 split significantly changes contract parameters including lot size increase to 2000.