Bengaluru, June 23 -- The Long-term Additional Surveillance Measure (LT ASM) is a regulatory framework introduced by SEBI and Indian stock exchanges to monitor and manage risks in stocks that exhibit persistent abnormal trading patterns. This framework is designed to protect investors and enhance market integrity by imposing stricter trading conditions on selected securities for an extended period.

Criteria for Inclusion in LT ASM Stocks are selected for the Long-term Additional Surveillance Measure (LT ASM) list based on objective criteria jointly defined by SEBI and the exchanges. These criteria include significant price swings (high-low and close-to-close variations over defined periods), abnormal trading volume fluctuations, high cli...