
. For US I don't know exactly but it should be more or less the same kind of things.Quote from doug456:
Who do they get the stocks or what ever from? They can't borrower something they don't have.
Quote from doug456:
Can a big firm short stocks, futures or options? I don't think it's a law, but since a short sale is borrowing a security and selling, then buying it back? IF so who does the big firm borrow the security from? I mean big firms like Merill, JP Morgan, and so on.