传统套期保值理论
传统套期保值理论-
从传统的套期保值理论到现代套期保值理论取得了很大的发展，其中ols模型是一种简单而有效的计算方法，把套期保值看作投资者选择现货和期货的投资组合来降低组合的风险。
From traditionary hedge theory to modern hedge theory , we make prodigious progress , and ols model is a easy and effective method , by looking hedge as combination of goods and futures to reduce its risk .
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传统的套期保值理论认为最优套期保值比率恒为1，但在实际的套期保值过程中，恒定的套期保值比率并不是最佳的套期保值策略。
The traditional hedging theory holds that the optimal hedge ratio constantly is 1 , but in the actual hedging process , constant hedge ratio is not the optimal hedging strategy .