Institutional traders may need to be effective traders not just of forex, but also of commodities, options, derivatives and other financial instruments.

FORBES: Working In Finance: 5 Forex Careers

The exchange handles trading in shares, as well as in debt, currencies and financial derivatives such as options.

BBC: Moscow Exchange plans share flotation

For financial instruments, such as stock options and many other derivatives, this was often (conveniently) zero, or close to it.

ECONOMIST: Accounting standards

Currently, the statute does not reach frauds involving options or futures, which include some of the derivatives and other financial products that were part of the financial collapse.

WHITEHOUSE: THE WHITE HOUSE