因為做空利息一般比做多要高。所以真market neutral了就是給券商送錢。
永動機does not exist。真有錢沒處花,存銀行無風險4%利息。
因為做空利息一般比做多要高。所以真market neutral了就是給券商送錢。
永動機does not exist。真有錢沒處花,存銀行無風險4%利息。
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