New Delhi, Feb. 6 -- India's top stock exchange is on the watchout for fresh measures from the stock market regulator to cool the derivatives frenzy, even as a slew of recent measures begin to take effect.

Average daily traded volume (ADTV) in NSE's equity futures segment fell 15% to Rs.1,71,825 crore, an NSE presentation for the December quarter showed. Similarly, ADTV for equity options dropped 7% to Rs.61,295 crore. Chief business development officer Sriram Krishnan said the decline partly reflects recent Sebi measures.

According to managing director and chief executive officer Ashish Chauhan, the impact of the Sebi measures are hard to estimate since some of them were yet to be implemented, and some more might be announced later on....