What does GSM mean?
The Graded Surveillance Measure (GSM) framework was introduced by SEBI in collaboration with the exchanges. Its primary objective was to strengthen market integrity and protect the interests of investors. The list of stocks moved to GSM can be tracked on NSE (WEB) and BSE (WEB) websites. To learn more, refer to NSE FAQ. (PDF)
There are 4 stages of surveillance actions:
| Stage | Surveillance actions |
| 1 | Applicable margin rate shall be 100% and price band of 5% or lower as applicable. |
| 2 | Trade for Trade with price band of 5% or lower as applicable and Additional Surveillance Deposit (ASD) of 50% of trade value to be deposited by the buyers. |
| 3 | Trade for Trade with price band of 5% or lower as applicable and ASD (100% of trade value) to be deposited by the buyers. |
| 4 | Trade for Trade with price band of 5% or lower as applicable and ASD (100% of trade value) to be deposited by the buyers with no upward movement. |
SEBI has also introduced Additional Surveillance measure (ASM) to safeguard the interests of the investors and enhance market integrity. To learn more, see
What is ASM (Additional surveillance measures)?
Did you know?
Buying is restricted for the stocks in GSM stage 2 and above. To learn more, see
Why is buying restricted for GSM stage 2 and above stocks?
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