The Standard &Poors 500 also fell - finishing the day at just over 700 after a slump of 4.7%.
标准普尔500指数也下跌——以微弱超过700点收市,暴跌了4.7%。
To demonstrate that the indicator we propose is a good candidate for measuring risk, we investigate empirically the statistical properties of price range volatility on Standard and Poors 500 index.
鉴于传统指标的不足,提出用另一种指标—价格波动幅度变动率来度量市场风险。
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