因为做空利息一般比做多要高。所以真market neutral了就是给券商送钱。
永动机does not exist。真有钱没处花,存银行无风险4%利息。
因为做空利息一般比做多要高。所以真market neutral了就是给券商送钱。
永动机does not exist。真有钱没处花,存银行无风险4%利息。
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