Derivative: A financial instrument, traded on or off an exchange, the price of which is directly dependent upon the value of one or more underlying securities, equity indices, debt instruments, commodities, other derivative instruments, or any agreed upon pricing index or arrangement. Derivatives involve the trading of rights or obligations based on the underlying product but do not directly transfer that product. Derivatives are generally used to hedge risk or to exchange a floating rate of return for fixed rate of return. Derivatives include futures, options, and swaps. For example, futures contracts are derivatives of the physical contract and options on futures are derivatives of futures contracts.
Swap: In general, the exchange of one asset or liability for a similar asset or liability for the purpose of lengthening or shortening maturities, or raising or lowering coupon rates, to maximize revenue or minimize financing costs. Swap may entail selling one securities issue and buying another in foreign currency; it may entail buying a currency on the spot market and simultaneously selling it forward. Swaps also may involve exchanging income flows; for example, exchanging the fixed rate coupon stream of a bond for a variable rate payment stream, or vice versa, while not swapping the principal component of the bond. Swaps are generally traded over-the-counter.
Currency Swap: Currency Swap is a swap that involves the exchange of one currency (e.g., U.S. dollars) for another (e.g., Japanese yen) on a specified schedule.
Dealer: A Dealer is an individual or firm that acts as a market maker in an instrument such as a security or foreign currency.
Interest Rate Swap: Interest Rate Swap is a swap in which the two counterparties agree to exchange interest rate flows. Typically, one party agrees to pay a fixed rate on a specified series of payment dates and the other party pays a floating rate that may be based on LIBOR (London Interbank Offered Rate) on those payment dates. The interest rates are paid on a specified principal amount called the notional principal.
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Naked options trading is very risky - many people lose money trading them. It is recommended contacting your broker or investment professional to find out about trading risk and margin requirements before getting involved into trading uncovered options.