Regulation ASM

ASM (Additional Surveillance Measure) on Zerodha

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Additional Surveillance Measure (ASM) restricts trading on scrips showing unusual price or volume patterns. Zerodha mirrors the exchange-defined ASM list; restrictions apply per the SEBI / exchange framework.

For the full framework explanation, see ASM and GSM frameworks explained .

On Zerodha specifically

  • Scrips on ASM carry a surveillance tag in Kite marketwatch.
  • Order placement for ASM-restricted scrips follows the stage’s rules:
    • Stage 1: 100% upfront margin.
    • Stage 2+: T2T, no intraday.
    • Stage 4: Periodic Call Auction.

Long-term vs short-term

A scrip can be on one or both.

Effect on holders

For Zerodha clients holding ASM scrips:

  • Existing holdings: Continue; sell via CNC route.
  • New buys: 100% upfront margin.
  • Intraday: Restricted on Stage 2+.

See also

External references

References

  1. SEBI, ASM framework, sebi.gov.in.
  2. NSE India, ASM operational guidelines, nseindia.com.
  3. Zerodha, ASM and surveillance scrips, support.zerodha.com.

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