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Stochastic Volatility in current market environment

Some price exotics with stochastic vol, some use other models such as local vol. What is the impact/advantage/disadvantage of using stochastic volatility in the current market environment? In other ...
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Vanna-Volga method to infer vol surface with just few realtime tick data

My broker gives me the opportunity to get realtime tick data for up to 50 fields. Since I would like to monitor option chains, this amount of data is very limited. Suppose I am interested in ...
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Good stochastic volatility model

Im fiddling with estimation of stochastic volatility models and have build up a somewhat flexible framework using indirect inference. I would like to try and throw a lot of different continuous time ...