You can't deliver heavily tainted crops into CBOT/KE/MWE contracts.....4 parts per mil vomitoxin. So the supply of good crop remaining would be under heavier demand causing price action to be bullish, right?
Reference to CBOT deliverable grade:
http://www.cmegroup.com/rulebook/CBOT/II/14/14.pdf
Reference to CBOT deliverable grade:
http://www.cmegroup.com/rulebook/CBOT/II/14/14.pdf
