Forecasting VIX: the illusion of forecast evaluation criteria
DOI:
https://doi.org/10.17811/ebl.12.3.2023.231-240Palabras clave:
Implied volatility forecasting, realized volatility measures, objective-based evaluation criteriaResumen
The study uses daily realized volatility measures in order to gain forecast accuracy over stocks’ market implied volatility, as proxied by VIX Index. We evaluate forecast accuracy by incorporating a traditional statistical loss function, along with an objective-based evaluation criterion, that is the cumulative returns earned from the different HAR-type volatility models, through a simple yet effective trading exercise on VIX futures. Findings, illustrate how illusive the choice between the two metrics may be, as it ends in two contradicting results.
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