ah ha !! so thats the reason why the gold silver ratio exploded recently
-US silver hits six-wk low early on options expiry- * reuters *
http://yahoo.reuters.com/news/articlehybrid.aspx?storyID=urn:newsml:reuters.com:20070626:MTFH87860_2007-06-26_14-13-40_N26364461&type=comktNews&rpc=44