1. you have to be allowed to play uncovered writing.
2. playing straddle when fda news is pending.
3. if M&A is certain, writing the put as much as you can.
2. playing straddle when fda news is pending.
3. if M&A is certain, writing the put as much as you can.
选择“Disable on www.wenxuecity.com”
选择“don't run on pages on this domain”
