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ANALYSIS OF THE MOMENTUM OF SKEWNESS IN STOCK OPTIONS PRICES

机译:股票期权价格中的偏度动量分析

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One of the chief concerns when making capital budgeting decisions is an accurate measure of risk in a particular investment. In this paper we seek to better refine our understanding of an investment's risk by evaluating the forward looking derivatives associated with it. Specifically we are observing higher moments of the implied distribution at a given expatriation and comparing the marginal change of skewness over time with forward looking performance and volatility. This is done by calculating empirical skewness on out of the money options premiums, which are viewed as market expectations of given returns. An analysis of this methodology shows promising results in the informational content of skewness momentum in terms of predictive modeling. Analysis of 2009-10 data was conducted on six securities that represent many asset classes and sectors of the financial markets. Upon examination of the data, changes in skewness were positively correlated with future returns, but not at a significant level. Additionally, strategies based on skewness information failed to outperform a buy and hold strategy over the period of consideration. Despite these results, the data is encouraging and there are indications that changes in empirical skewness could be utilized effectively in studies of different time periods and methodologies.
机译:在制定资本预算决策时,主要关注的问题之一是准确衡量特定投资的风险。在本文中,我们试图通过评估与之相关的前瞻性衍生工具,以更好地完善对投资风险的理解。具体来说,我们观察到在给定的外派人员中隐含分布的较高时刻,并将偏斜随时间的边际变化与前瞻性表现和波动性进行了比较。这是通过计算货币期权溢价中的经验偏度来完成的,后者被视为给定收益的市场预期。对这种方法的分析表明,在预测建模方面,偏度动量的信息内容具有可喜的结果。对2009年10月数据的分析是对代表证券市场中许多资产类别和行业的六种证券进行的。在检查数据后,偏度的变化与未来的收益呈正相关,但没有显着水平。此外,在考虑期间,基于偏度信息的策略无法胜过购买和持有策略。尽管有这些结果,数据还是令人鼓舞的,并且有迹象表明,经验偏斜的变化可以有效地用于不同时期和方法的研究。

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