| 摘要 |
A method for managing a portfolio owned by several investors, the portfolio including products that permit, each, protecting the consumption of a given commodity at a given price and volume for a given period of time. In addition, the method defines each investor's share of the value of the portfolio such that the value of the portfolio is determined (1-2 . . . 1-12) on the basis of the delivery-period specific changes in value of the products and the value of the portfolio is divided (2-2 . . . 0.2-10) between the investors on the basis of the consumption reserved by each investor.
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