The Impact of Overnight Periods on Option Pricing
AbstractThis paper investigates the effect of closed overnight exchanges on option prices.During the trading day asset prices follow the literature s standard affine model which allows asset prices to exhibit stochastic volatility and random jumps.Independently, the overnight asset price process is modelled by a single jump.We find that the overnight component reduces the variation in the random jump process significantly.However, neither the random jumps nor the overnight jumps alone are able to empirically describe all features of asset prices.We conclude that both random jumps during the day and overnight jumps are important in explaining option prices, where the latter account for about one quarter of total jump risk.
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Bibliographic InfoPaper provided by Tilburg University, Center for Economic Research in its series Discussion Paper with number 2005-1.
Date of creation: 2005
Date of revision:
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Web page: http://center.uvt.nl
Derivative pricing; Jump diffusion; Stochastic volatility;
Other versions of this item:
- G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
- G13 - Financial Economics - - General Financial Markets - - - Contingent Pricing; Futures Pricing
This paper has been announced in the following NEP Reports:
- NEP-ALL-2005-03-06 (All new papers)
- NEP-FMK-2005-03-06 (Financial Markets)
- NEP-RMG-2005-03-06 (Risk Management)
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