Learn about binomial option pricing, a mathematical model used to calculate the value of options in a financial market. Explore its applications, advantages, and limitations to better understand this pricing technique and enhance your financial decision-making skills.
Binomial option pricing is a mathematical model used in finance to determine the value of an option at a given point in time. It was developed by Cox, Ross, and Rubinstein in 1979 as an improvement over the Black-Scholes option pricing model, which assumes constant volatility.
The binomial option pricing model considers a series of discrete steps called periods. Each period is assumed to be of equal length, typically one year. The underlying asset's price only has two possible outcomes at each step: it can either go up or down by a predetermined amount.
To use the binomial option pricing model effectively, the following assumptions are made:
The process for binomial option pricing typically involves the following steps:
Advantages of binomial option pricing include its flexibility, as it can handle options with different payoffs and exercise styles. It also considers the concept of possibility of early exercise, enabling more accurate pricing for American style options. However, it may become computationally intensive for complex options or smaller intervals, and its precision depends on the number of steps used in the calculations.
Binomial option pricing provides a practical approach to determine the value of options under various scenarios. While this model makes assumptions that may not always reflect real market conditions accurately, it serves as a valuable tool for option pricing and understanding the factors that impact option values.
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Next term: Black Scholes Model
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