利用以下看涨期权与股票价格(盈利)设计在期权到期日时的资产组合。结果估计当前为53元,投资者做何赌注?
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C2 and C3 are not arbitrage free. the following should always hold: C2 > C3.
Neither is C1. This is a totally ridiculous question, although you could draw the payoff curve.
What do you mean by "结果估计当前为53元"? You can make infinite profit for a free lunch.