Capital Asset Pricing Model: An Application in Borsa Istanbul

In this study, the betas and the return ratios of 8 banks operating in Borsa Istanbul between 31.12.2004-31.12.2015 are calculated. Moreover, based on the 2008 crisis, it was tested whether there is a relationship between beta values of the banks before the 2008 crisis and after the 2008 crisis. Research results showed significant differences between the beta and the averages of all banks before and after September 15, 2008.