Quote from blackguard:
some questions about YM:
1)how many total YM futures contracts are there? say Dec YM, how many total contracts are there?
2)what is the limit one person/entity can hold at any given time? I know there is a limit, but what is it?
How deep are your pockets ?
http://www.cbot.com/cbot/pub/cont_detail/1,3206,1560+14425,00.html