it is only safe to buy protective puts and sell covered calls.
慎买naked options.赤裸是危险的。
所有跟帖:
• 是的。不多。就当是玩了一把 21 点。 -392- ♂ (0 bytes) () 02/28/2012 postreply 10:29:49
it is only safe to buy protective puts and sell covered calls.
• 是的。不多。就当是玩了一把 21 点。 -392- ♂ (0 bytes) () 02/28/2012 postreply 10:29:49