The strategy can take numerous shapes, matching stocks with options, two classes of the same stock, commodities against each other or just about any two assets that are affected by the same forces.
3
其次对存在价值与其它类别的价值尤其是期权价值、准期权价值作出区分。
Then, the differences between existence value and other types of value, especially option value and quasi option value are analyzed.