Posted 7/19/2012 12:15 (#2494491 - in reply to #2494394) Subject: RE: Option month vs underlying commodity month
You have the serial options. That's the August option on the nearby contract (Sep). Then you have you normal Sep option.
There are also now short dated new crop options. They trade off the Dec contract, but have shorter expirations. Looks like there is an October and December put trading off the Dec contract. Of course, those options expire in the month prior which is what your screen is showing.