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在股票交易中,股民(投资者)常常深感困惑,按什么价格卖出所持股票才能保本、保利?这里推介一种保本保利股价测算的数学模型。一、保本股价数学模型的推论(一)一次买入,一次卖出根据有关规章制度,股东·(投资者)买卖股票均应按规定标准向证券机构支付交易费(即印花税和交易所规定收取的手续费)。假定买入某只股票的成交价格为 p,成交数量为 q,卖出该只股票的保本成交价格为 P,交易费按成交额的一定比率支付,设交易费率为 r,则保本卖出价为:
In the stock trading, investors (investors) are often deeply puzzled, at what price to sell the shares held in order to protect the profits? Here to introduce a guaranteed capital stock price calculation mathematical model. First, the conservative stock price mathematical model inference (A) a buy, sell once According to the relevant rules and regulations, shareholders (investors) trading securities should be required to pay the securities institutions to pay the transaction fee (ie stamp duty and exchange requirements Fee). Suppose the transaction price of a stock is p, the number of transactions is q, the guaranteed transaction price of the stock sold is P, the transaction fee is paid at a certain rate of turnover, the transaction rate is r, and the principal is sold Price is: