The Securities and Exchange Board of India (Sebi) is examining the issue of whether there can be separate risk management regimes for the ordinary segment and the derivatives segment as a measure to address the problems peculiar to derivatives trading. This is particularly relevant in the context of the impact of circuit-filters on index stocks.

This is one of the issues being looked at against the background of the problem concerning circuit-filters, where derivatives trading can be affected owing to circuit-filters in the index stocks. A problem which has arisen is that if circuit-filters are imposed on some

stocks comprising either the BSE Sensex or the S&P CNX Nifty, trading on these indices will get affected since those stocks would be frozen.

As a possible way out, one option could be to have different rules for the ordinary trading segment and another for the derivatives segment. The risk containment panel is currently examining a slew of options, one of which is to do away with circuit-filters altogether for index stocks. However, there has been no decision on Sebi's part on this front. Sebi chairman D R Mehta said: "We are examining also whether there can be separate rules for the two segments. No decision has been taken. And as of now, there is no change in the circuit-filter mechanism of 8+4 anyway."

The risk management panel is also examining whether circuit-filters can be done away with in the rolling settlement mode, since that would then serve to attract greater volumes. There is one argument that rolling settlement stocks generally witness a fall in volumes.

However, sections of the market are also putting up other allegations against the circuit-filter mechanism, saying some bourses do not bother to follow the norms on that front. Operators say some of the smaller bourses do not follow the 30-minute rule between imposing the 8 per cent freeze and the 4 per cent limit, and sometimes they manually increase the time period or decrease it. A section of the market has been calling for Sebi to take a detailed look into these manipulations at the bourses.

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First Published: May 31 2000 | 12:00 AM IST

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