Selecting the Best Forecasting-Implied Volatility Model Using Genetic Programming

What is it about?

The volatility is a crucial variable in option pricing and hedging strategies. The aim of this paper is to provide some initial evidence of the empirical relevance of genetic programming to volatility's forecasting. By using real data from S&P500 index options, the genetic programming's ability to forecast Black and Scholes-implied volatility is compared between time series samples and moneyness-time to maturity classes. Total and out-of-sample mean squared errors are used as forecasting's performance measures. Comparisons reveal that the time series model seems to be more accurate in forecasting-implied volatility than moneyness time to maturity models. Overall, results are strongly encouraging and suggest that the genetic programming approach works well in solving financial problems.

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Why is it important?

This paper intends to establish a systematic approach and a GP software tool for analysts to improve the accuracy of the forecast. This volatility's forecasting approach should be free of strong assumptions and more flexible than parametric method.