India, Oct. 10 -- The Short-term Additional Surveillance Measure (ST ASM) is a framework implemented by SEBI and Indian stock exchanges to monitor stocks experiencing unusual or sudden trading activity. It aims to protect investors and maintain market stability by imposing temporary, stricter trading rules on highly volatile or speculative stocks.

ST-ASM (Additional Surveillance Measure) Stage 1 When a stock enters Stage 1 of the ST-ASM framework, exchanges increase margin requirements based on its volatility and risk, typically ranging from 50% to 100%. Intraday leveraged trading is restricted, and only Cash and Carry (CNC) delivery trades are allowed, requiring investors to pay the full purchase amount. Stocks in this stage are reviewe...