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We consider option pricing when dynamic portfolios are discretely rebalanced. The portfolio adjustments only occur after fixed relative variation of the stock price. The stock price follows a marked point process and the market is incomplete. We first characterize the equivalent martingale...
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This paper evaluates the forecasting performance of a continuous stochastic volatility model with two factors of … volatility (SV2F) and compares it to those of GARCH and ARFIMA models. The empirical results show that the volatility forecasting … ability of the SV2F model is better than that of the GARCH and ARFIMA models, especially when volatility seems to change …
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