Tag: Derivatives

A Primer on Option Pricing Models

A Primer on Option Pricing Models

Option Pricing. An option is a contract entitling the holder to buy or sell designated security at or within a certain period of time at a particular price. Options contracts are characterized by a nonlinear payoff because the price depends on a nonlinear function of the underlying. Thus, it is impossible to price without a model for the underlying but the assumptions of mathematical finance (not moving the market; liquidity, jumps; shorting; fractional quantities; no transaction costs) substantially make difficult to determine a single model always valid with the changing market conditions.

A Primer on Financial Derivatives

A Primer on Financial Derivatives

Financial derivatives are often used for commodities, like corn, oil, gasoline, or gold, and for currencies, often the U.S. Dollar abd the Euro. However, there are derivatives based on stocks, bonds, interest rates, and indices. Companies use derivatives to lower their operational risk for the delivery of raw materials, the changes in exchange rates or in interest rates. Trading requires a small down payment (margin) and usually consists of rolling positions (contracts are liquidated by another derivative before coming to term).

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