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We utilise functional time series (FTS) techniques to characterise and forecast implied volatility in foreign exchange … markets. In particular, we examine the daily implied volatility curves of FX options, namely; EUR-USD, EUR-GBP, and EUR … volatility shapes that closely match empirical data during the volatile 2006-2013 period. Furthermore, the FTS model …
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SEMIFAR models introduced in Beran (1999) provide a semiparametric modelling framework that enables the data analyst to separate deterministic and stochastic trends as well as short- and long-memory components in an observed time series. A correct distinction between these components, and in...
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