Investigating Spread Transaction in Trading Stock Call Option for Managing Risk and Analysis Speculation Opportunities in Tehran Stock Exchange

The nature of risk management make multidimensional this studies. therefore must pay to appropriate fields for optimal management of risk according to mathematical and statistical techniques, hedge models, profit opportunities and create return. Speculators can minimize foreseeable risks with optimize portfolios and then go to embrace the risk and hoping to benefit from higher return. Transaction Strategies with uses option contract gives this opportunity to them. This article deals with survey the pattern of risk in trading call option, comparison the risk pattern of buyer and seller call option and risk pattern of adoption spread transaction. The results that get after calculation the price of call option for 45 companies, described in detail how risk management of trading positions and gain return according to the volatility and changes in stock prices and with uses spread transaction.