Research
ASM & GSM stocks. NSE’s surveillance list, today.
Every stock under NSE’s Additional (ASM) and Graded (GSM) Surveillance Measures, its stage, what changed since the last list, and how the price has moved.
Long-term ASM137
Short-term ASM66
GSM77
Changes since last list–tracked daily from 20 Oct 2026
Stocks under surveillance
Filter by list. “Since” is the first day we saw the stock in that list.
Questions
What is ASM?
Additional Surveillance Measure: NSE puts stocks with unusual price moves or volatility under ASM, in stages. Stocks under ASM need higher margins (up to 100%) and, in later stages, trade only on a trade-for-trade basis. It is a caution flag, not an accusation.
What is GSM?
Graded Surveillance Measure, for stocks whose price is not supported by the company’s financials. Restrictions grow with each stage, up to trading only once a week.
Which stocks are in the ASM list today?
On 20 Oct 2026: 137 stocks under long-term ASM, 66 under short-term ASM and 77 under GSM.
Can I buy a stock under ASM?
Yes, but with higher margins and, in later stages, delivery-only trades. Check your broker’s rules; many restrict intraday trading in these stocks.
Related tools
Every calendar in one place, and every stock’s own page.
From NSE’s corporate filings and daily files. Dates can change; check the exchange filing before acting. Information, not investment advice; ChartMine is not a SEBI-registered adviser.