It's huddle time again on Options Playbook Radio. This is when Mark and Brian answer listener questions. Do you have a question that you want answered on a future episode? Send them to Brian at [email protected], or to the Options Insider at [email protected].

The Bobster wants to know if options can be traded outside of U.S. trading hours.

• Short answer: yes and no
• Longer answer: liquidity issues, wider spreads, other nuances.
• Should there be regular after hours?
• Should it be limited to a number of names?
• Index versus equity options

Nelly2 wants to know about assignment. Just so I am clear on the spread assignment thing. If I am in SPX, then I just get cash if the index closes inside my spread. But if I am in a stock, then I get the stock?

• Cash-settled
• Guidelines for cash-settled versus regular settled
• Sellers and buyers rights and obligations