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What does GSM mean?

GSM stands for 'Graded Surveillance Measure'. In order to enhance market integrity and safeguard the interest of investors, Securities and Exchange Board of India (SEBI) and Exchanges, have been introducing various enhanced surveillance measures such as reduction in price band, periodic call auction and transfer of securities to Trade to Trade segment from time to time.

There are 6 stages of surveillance actions as shown in the image below:

This is the NSE list and BSE list of GSM stocks. You can keep track of stocks in GSM from this list on our downloads and resources page.

Please refer to this NSE FAQ for more details. To know the criteria for the inclusion of securities under the GSM framework, refer to this FAQ.

Also, check out these posts on TradingQ&A for more information.

- GSM ledger entry

- BSE S+ framework

Did you know? Buying is restricted for the stocks in GSM stage 2 and above. To know more. see Why is buying restricted for GSM stage 2 and above stocks?