套期地平线对套期有效性的影响研究:来自印度国家证券交易所的证据

M. Kaur, K. Gupta
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引用次数: 0

摘要

本研究试图通过比较NIFTY50指数及其17只成分股近月、下月和远月期货合约的套期保值表现,探讨套期地平线对印度股票期货市场套期保值有效性的影响。套期保值有效性的测度采用两种方法,即方差减少法和风险收益法。研究发现,当使用方差减少方法衡量对冲效果时,近月期货合约最有效,而另一方面,使用风险回报方法衡量远月期货合约最有效。这些结果表明,对于高度风险厌恶的投资者(只关注风险最小化),近月期货合约能够有效对冲,而对于风险厌恶程度较低的投资者(关注风险和回报),远月期货合约提供了更好的对冲效果。研究还发现,现货收益与期货收益的相关系数是影响收益方差减小的重要因素,并与其有直接关系。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
INVESTIGATING THE IMPACT OF HEDGE HORIZON UPON HEDGING EFFECTIVENESS: EVIDENCE FROM NATIONAL STOCK EXCHANGE OF INDIA
Present study attempts to investigate the impact of hedge horizon upon hedging effectiveness in Indian equity futures market by comparing hedging performance of near, next and far month futures contracts of NIFTY50 index and its 17 composite stocks. Hedging effectiveness has been measured using two approaches, namely, Variance Reduction approach and Risk-Return approach. The study finds that near month futures contracts are most effective when hedge effectiveness is measured using variance reduction approach, whereas, on the other hand, far month futures contracts are found to be most effective using risk-return approach. These results imply that for highly risk-averse investors (concerned with only minimization of risk), near month futures contracts enable effective hedging, whereas for less risk-averse investors (concerned with risk as well as return), far month futures contracts offer superior hedge effectiveness. The study also finds that coefficient of correlation between spot and futures returns is a significant factor affecting variance reduction of returns and bears direct relationship with it.
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