Bengaluru, Sept. 9 -- The Short-term Additional Surveillance Measure (ST ASM) is a framework introduced by SEBI and Indian stock exchanges to keep track of stocks with unusual or sudden trading activity. Its purpose is to safeguard investors and ensure market stability by applying temporary and stricter trading rules on stocks that appear highly volatile or speculative.

ST-ASM (Additional Surveillance Measure) Stage 1 When a stock enters Stage 1 of the ST-ASM framework, margin requirements are increased. Depending on the stock's volatility and risk, traders may need to maintain a 50 to 100 percent margin as decided by the exchange.

At this stage, intraday leveraged trading is restricted, and only CNC (Cash and Carry) delivery trades are...