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单词 DIFFUSION PROCESS
释义

A continuous, STOCHASTIC PROCESS where the market variable (e.g., a COMMON STOCK price or FOREIGN EXCHANGE rate) exists in continuous time and its probability density function is continuous; the variable changes on a random and continuous basis, and as the time interval becomes larger, uncertainty in the returns increases in a predictable fashion. The diffusion process is widely used in modeling the value of certain financial contracts, such as DERIVATIVES.

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更新时间:2024/10/27 7:34:24