由于市场价格变化常常是跳跃式的,保底型基金的保底收益不一定能实现。利用无套利原理,当股指满足跳扩散模型时,用偏微分方程的方法给出了有违约可能的保底基金的定价和保底不成功概率的公式并作了一些定性分析。
Because of the widely-existed jump of market price, the fund with promised lowest return can not be guaranteed. Based on jump-diffusion model, the formula is obtained for both the price and the default probability and some qualitative analyses axe made by partial deffrential equation approach.