I don't know and I don't really care why it falls.
Some reasons are just hindsight. Not useful when you wish to have profitable trades!
Simply if you look at the graph of 8161/1059, it is in a download trend, so it's not surprising that it will fall!
681 - it rises too much. Speculators need to cash-in!
By the way, you should send this thread in http://www.bp-system.com/discuz/forumdisplay.php?fid=9
This is for futures/options!
Thanks for your reading time!
[ Last edited by Wai_Wai on 2006-2-18 at 01:23 AM ]