The study Relationship between Options call,expected returns,and the value of capital structure adjustments In Companies Accepted at the Tehran Stock Exchang

The purpose of this study was to investigate the relationship between the value of call options and expected returns and the value of capital structure adjustments. For testing hypotheses, multiple regression has been used. The statistical population of the research is the companies accepted in the Tehran Stock Exchange, among which , Data for 138 companies are available from the time horizon from 2011 to 2016. Company data was analyzed and analyzed using Eviews9 software after comprehensive evaluation of the availability of their information after collection by Excel software. In measuring the option call value of the pricing model The Black-Scholes-Merton (BSM) deal was used and a minor adjustment model was used in the capital structure adjustment. Finally, the results show that there is no significant relationship between value of option call on the speed of capital structure adjustment ,as well as but between the the expected returns on the speed of capital structure adjustment Reverse and meaningful.