[mjp]

the amount of outstanding derivatives worldwide as of December 2007 crossed USD 1.144 Quadrillion, ie, USD 1,144 Trillion. The main categories of the USD 1.144 Quadrillion derivatives market were the following:

1. Listed credit derivatives stood at USD 548 trillion;
2. The Over-The-Counter (OTC) derivatives stood in notional or face value at USD 596 trillion and included:

a. Interest Rate Derivatives at about USD 393+ trillion;
b. Credit Default Swaps at about USD 58+ trillion;
c. Foreign Exchange Derivatives at about USD 56+ trillion;
d. Commodity Derivatives at about USD 9 trillion;
e. Equity Linked Derivatives at about USD 8.5 trillion; and
f. Unallocated Derivatives at about USD 71+ trillion.

[Errant]

Who's money is it and obviously they're using leverage and what kind of antic's would create huge wins/loses?

I guess it's all insured, another impossibility...