CFDs are derivative securities, where their price is derived from the price of the underlying instrument in which the CFDs refer to. Derivative securities / markets can be highly volatile. The prices of CFDs and the underlying instrument and Indices may fluctuate rapidly and over wide ranges and may reflect unforeseeable events or changes in conditions, none of which can be controlled by the Client or the Company. Under certain market conditions it can be impossible for a Clients order to be executed at declared price.