Here is a nice article explaining how to do a vertical spread trade on BIDU. http://www.optionsweekly.com/member/playing-baidu-earnings-with-options
What could or what should? You could buy a OTM call for protection and sell a put to enhance return or you can keep your short position and then load up on a bunch of puts and hope the sucker tanks to $5.00 a share Best of luck either way!