It’s not hard to understand the contracts, it’s difficult to get access to trade them. Now if you were talking about exotic OTC contracts, that’s going to take many years of experience to master.
Dang, wish I had followed up on this thread and the need to cover/reduce leverage before today! Ouch.
I didn't quite get what collapse you're talking about? If you're talking about the upcoming crisis, I haven't come across any information about it and I think, someone would have written something about it already.