Description
NSE implements ST-ASM Stage I for 4 securities with 50% margin requirement effective September 3, 2025.
Summary
NSE has implemented Short-Term Additional Surveillance Measure (ST-ASM) Stage I for four securities effective September 3, 2025. The measure increases margin requirements to 50% or existing margin (whichever is higher), capped at 100%.
Key Points
- 4 securities included in ST-ASM Stage I framework
- Margin rate increased to 50% or existing margin, whichever is higher
- Maximum margin capped at 100%
- Applies to all open positions as on September 2, 2025 and new positions from September 3, 2025
- 7 securities excluded from ASM framework
Regulatory Changes
- Implementation of ST-ASM Stage I for selected securities
- Enhanced margin requirements for surveillance purposes
- ASM framework works in conjunction with other prevailing surveillance measures
Compliance Requirements
- Market participants must comply with increased margin requirements
- Applicable to all NSE members
- Surveillance purely for market monitoring, not adverse action against companies
Important Dates
- September 2, 2025: Cut-off date for existing positions
- September 3, 2025: Effective date for ST-ASM Stage I implementation
Impact Assessment
Securities Included in ST-ASM Stage I:
- Coffee Day Enterprises Limited (COFFEEDAY)
- Rishabh Instruments Limited (RISHABH)
- Royal Orchid Hotels Limited (ROHLTD)
- Shree Rama Multi-Tech Limited (SHREERAMA)
Securities Excluded from ASM:
- Deccan Transcon Leasing Limited (DECCANTRAN)
- Kingfa Science & Technology (India) Limited (KINGFA)
- Ola Electric Mobility Limited (OLAELEC)
- Southern Petrochemicals Industries Corporation Limited (SPIC)
- Surani Steel Tubes Limited (SURANI)
- Vimta Labs Limited (VIMTALABS)
- Yash Optics & Lens Limited (YASHOPTICS)
The measure aims to enhance market surveillance while maintaining trading activity with appropriate risk controls.
Impact Justification
Affects trading margins for specific securities but limited to 4 stocks