On NSeIndia site in derivatives section , market reports are uploaded daily .In the market activity reports , for the file op27072012.csv the fields NOTION_VAL ,PR_VAL are mentioned .Does anyone have any idea what these fields denote??
link http://nseindia.com/products/content/derivatives/equities/homepage_fo.htm
link http://nseindia.com/products/content/derivatives/equities/homepage_fo.htm