3332023-04-08 15:42:54
Using the prices at the beginning of the period for each security, the index value at the end of the period is $3,213.8: ($22 × 50)+($48 × 20) +($30 × 38.46). The price return is $3,213.8/$3,000 – 1 = 7.1%. 英文解释里面的50 20 38.46是咋来的
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爱吃草莓的葡萄2023-04-08 21:40:44
同学你好。本题是在equal-weighting下,这里假设每只证券投1000元,那么每只证券的数量等于1000除以每只证券的期初价格,例如证券1数量为1000/20=50#。
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