index put/call is 4. nice!

所有跟帖： 

• time for a bounce -FaCai168- ♂ (0 bytes) () 01/10/2008 postreply 07:17:44

• 拭目以待!!!呵呵,, -幸运☆星- ♂ (0 bytes) () 01/10/2008 postreply 07:18:33

• Do you use trading vol or OI to calculate the ratio? -s&p- ♂ (0 bytes) () 01/10/2008 postreply 07:50:49