real time var tanya thank information agree need talk global valuation facilitate competitive var engine winston nilay going give group presentation regarding current var system next tuesday sure presentation help team better understand requirements var engine global valuation please join us time would also appreciate insight matter thanks zhiyong tanya tamarchenko 01 08 2001 11 09 zhiyong wei hou ect ect nilay basu hou ect ect wenyao jia hou ect ect cc vince j kaminski hou ect ect subject real time var ziyong met nilay winston last week regarding real time var calculation possibility winston overview var system consists main curves simulation curve server book server id server clients first step want see time spent var runs percentages time spent part nilay going get information portfolios agg ect agg gas ng price prc preliminary information currently var run takes 1 hour half time taken book server 4500 lower level portfolios portfolio hierarchy 5500 portfolios together rest taken clients main curves simulation take much time looking also using alternative methods faster var calculation many portfolios hierarchy slow even analytical var also think real time calculation means produce tanya