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616 views

Using volatility cycles to switch between trend following & range bound trading? [closed]

"...a low volatility environment is usually a good environment for trend following strategies; see Jez Liberty’s state of trend following report here..." ...
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1answer
58 views

A Difference between Local Vol and Stochastic Vol Models

For the purpose of this question a local vol model is a 1d SDE which specifies the price process and we have a contingent claim that depends on those prices (in general, at multiple times). e.g. ...
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2answers
61 views

Garch for covariance matrix?

I have seen plenty of literature about GARCH on estimation volatility. how about covariance? There are plenty of risk models depending on the covariance matrix. I guess we can assume the correlation ...
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1answer
184 views

Getting the next price of a GBM (Geometric Brownian Motion)

I am writing a program that creates realizations of a GBM. Starting from an initial price, I get the following price with this formula: ...
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0answers
19 views

Pricing formulas for affine stochastic volatility jump-diffusion models

Does anyone know a reference where I can find the pricing formulas for vanilla calls in the affine stochastic volatility jump diffusion class of models such as SVJ and SVJJ? I am looking for ...
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0answers
35 views

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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0answers
74 views

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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0answers
29 views

Convert volatility of log returns into volatility of asset (bollinger bands)

I am using a model to estimate the volatility of the log-returns of an asset (standard stochastic volatility model for info) The main question is: How can I find back the windowed volatility of this ...