Participation OI is a free and simple lightweight EOD Participation data downloader for Amibroker. It downloads Equity derivatives (index & stocks participation) data and updates to Amibroker software automatically in a time series format.
Here are the few interesting stats from SEBI in its recent Discussion Paper on Growth and Development of Equity Derivative Market in India which gives a fair understanding about participation in NSE Equity derivative markets.
SEBI today in its circular announced the minimum contract size for equity derivatives from Rs.200,000 to Rs 5,00,000 effective from 30th October 2015 (Post October 2015 Expiry). It is also stated in the circular that “The stock exchanges shall jointly ensure that the lot size is same for an underlying traded across exchanges.”