Additional Surveillance Mechanism

On 2nd February, 2023, the National Stock Exchange (NSE) placed Adani Enterprises, Adani Ports, and Ambuja Cements under the Additional Surveillance Mechanism (ASM), which is aimed at curbing speculation and short selling.

About ASM

  • The Securities and Exchange Board of India (SEBI) Introduced ASM in March 2018,
  • ASM is a surveillance method in which exchanges impose trading curbs on excessively volatile stocks in the Indian market.

Five Criteria for ASM

The criteria are decided jointly by the Securities and Exchange Board of India (SEBI) and domestic stock exchanges (NSE, BSE). These are:

  1. The price variation between the high and low price
  2. The spread ....
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