anina2022-04-06 17:32:26
“If long and short positions are paired, with the idea of capturing alpha as prices converge while offsetting market risk, the positions must be well-matched and sized correctly.”这句话是什么意思?当价格converge时获取alpha?
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开开2022-04-07 11:39:31
同学你好,long/short策略的核心理念是做空相对高估的股票,做多相对低估的股票,这两个股票一般都是同行业/板块的。那么股票converge(回归合理定价)就是高估的股票要下跌(空头受益),低估的股票要上涨(多头受益)。但多空头寸又把市场的beta给对冲掉了,因此多空两个头寸获得的就是alpha收益。
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