The other is that the volatility is assumed to be stochastic and the price of the underlying asset is a levy process, namely we can further promote the model on the basis of the first one.
假设波动率是随机的，且资产价格服从l evy过程，即在前述模型基础上作了进一步推广。
The other is that the volatility is assumed to be stochastic and the price of the underlying asset is a levy process, namely we can further promote the model on the basis of the first one.
假设波动率是随机的，且资产价格服从l evy过程，即在前述模型基础上作了进一步推广。
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