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- W2807427961 abstract "The measurement of volatility is of fundamental importance in finance. Standard market practice adopted for volatility estimation from option prices leads to a considerable loss of information and the introduction of an element of arbitrariness in the volatility index computation. We propose to adopt fuzzy regression methods in order to include all the available information from option prices, and to obtain an informative volatility index. In fact, the obtained fuzzy volatility indices not only offer a most possible value, but also a lower and an upper bound for the interval of possible values, providing investors with an additional source of information. We also propose a defuzzification procedure to select a representative value within this interval. Moreover, we investigate the occurrence of truncation and discretization errors in volatility index computation by adopting an interpolation-extrapolation method. We also test the forecasting power of each volatility index on future realized volatility." @default.
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- W2807427961 date "2018-11-01" @default.
- W2807427961 modified "2023-10-14" @default.
- W2807427961 title "Indices for Financial Market Volatility Obtained Through Fuzzy Regression" @default.
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- W2807427961 doi "https://doi.org/10.1142/s0219622018500335" @default.
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