Math Problem Statement
题目.docx
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基于ARIMA模型的股价分析与预测——以建设银行为例_翁紫霞.pdf
1.84 MB
基于ARIMA模型的股价预测——以牧原股份为例_曹沥方.pdf
1.23 MB
其中基金重仓股的计算是通过当前基金这个股票的流通市值除以这个股票季度末尾的送流通市值,然后这个是问题,后面两个文档是参考文献
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Math Problem Analysis
Mathematical Concepts
Investment Analysis
Portfolio Optimization
Expected Return
Expected Risk
Formulas
Expected Return: \( \text{Expected Return} = \sum_{i=1}^{n} w_i \cdot r_i \)
Expected Risk: \( \text{Expected Risk} = \sqrt{\sum_{i=1}^{n} \sum_{j=1}^{n} w_i \cdot w_j \cdot \text{Cov}(r_i, r_j)} \)
Theorems
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Suitable Grade Level
Professional
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