A Bit Derivative
Derivatives take their value from actual performance, as I can gather. eFinancialNews gives us the best derivatives trading platforms
ICE Futures Europe
London Metal Exchange
Global Finance Magazine lists some familiar names when detailing best derivatives providers.
A derivative is defined as
an arrangement or product (such as a future, option, or warrant) whose value derives from and is dependent on the value of an underlying asset, such as a commodity, currency, or security.