Hedging Ratio Risk 保值率风险
The function of risk transfer in futures markets mainly implements by hedging, so the key issue of futures markets is the determination of hedge ratio.
期货市场的风险转移功能主要通过套期保值策略来实现，期货市场套期保值的关键问题是套期保值比率的确定。
VECM model is helpful to estimate the hedge ratio with minimum risk which provides investors a practical and operable implement to choose hedging approaches.
利用向量误差修正模型可以估计最小风险套期保值比，为投资者综合选择风险最小的套期保值策略提供了现实的、可操作的定量分析工具。
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