RISK AND RETURN MANAGEMENT OF SHARIA STOCKS IN JAKARTA ISLAMIC INDEX FOR THE PERIOD OF 2009 – 2019 USING MARKOWITZ PORTOFOLIO MANAGEMENT

To reduce risk in investment and at the same time optimize returns, it is necessary to establish a series of stocks that have high as well asto select stock with negative variance risk. In this research, an efficient frontier approach by Harry Markowitz will be applied JII shares during period 2009 - 2019 so portfolio low optimal return can formed return.