英语词汇“index model”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	index model
释义	Index model Index model A model of stock returns using a market index such as the S&P 500 to represent common or systematic risk factors. Single-Index Model The relationship between a security's performance and the performance of a portfolio containing it. The market model states that the security's performance is related to its portfolio's performance, according to its beta. It is calculated as follows: Return on security = alpha + beta * return on portfolio + residual return
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Index model