Description
BSE announces change in underlying asset name and symbol for Tata Motors equity derivatives, effective October 24, 2025, reflecting corporate restructuring to Tata Motors Passenger Vehicles Limited.
Summary
BSE has announced a change in the underlying asset name and symbol for equity derivative contracts of Tata Motors Limited. Effective October 24, 2025, the underlying asset name will change from “TATA MOTORS LTD” to “TATA MOTORS PASSENGER VEHICLES LIMITED” and the symbol will change from “TATAMOTORS” to “TMPV” in all contract master files. This change reflects the corporate restructuring of the company.
Key Points
- Underlying scrip code in equity segment: 500570 (remains unchanged)
- Old company name: TATA MOTORS LTD
- New company name: TATA MOTORS PASSENGER VEHICLES LIMITED
- Old derivative symbol: TATAMOTORS
- New derivative symbol: TMPV
- Changes will appear in column 5 of contract master files
- No changes to any other contract parameters
- Notice Number: 20251017-54
Regulatory Changes
The change is administrative in nature, updating the underlying asset identification in equity derivative contracts to reflect the new corporate name and trading symbol. All existing derivative contracts will continue with modified underlying asset references but unchanged contract specifications.
Compliance Requirements
- Trading members must update their systems to reflect the new underlying asset name and symbol
- Members should review and update contract master files distributed on October 23, 2025
- No action required regarding existing contract parameters (strike prices, expiry dates, lot sizes, etc.)
- Systems must be ready for the new naming convention by October 24, 2025
Important Dates
- October 17, 2025: Circular issued
- October 23, 2025: Updated contract master files will be distributed as part of end-of-day files
- October 24, 2025: Effective date for name and symbol change in equity derivatives segment
Impact Assessment
Market Impact: Medium - affects one of India’s largest automobile manufacturers and a heavily traded derivative underlying. Trading members and market participants need to update their systems and reference data.
Operational Impact: Trading members must ensure their trading systems, risk management systems, and reporting tools are updated to recognize the new symbol (TMPV) and company name. The change is limited to identification parameters only, with no impact on contract economics, margin requirements, or settlement procedures.
Member Action Required: System updates and testing should be completed before October 24, 2025 to ensure seamless trading continuity in Tata Motors derivative contracts.
Impact Justification
Technical change affecting derivative contracts for a major stock (Tata Motors). Requires system updates by trading members but no change to trading parameters or contract specifications.