ANALISIS PORTOFOLIO OPTIMAL MODEL INDEKS TUNGGAL PADA PERUSAHAAN PERBANKAN DI BEI

Abstract

This research is meant to find out how to establish an optimal portfolio by using single index model as
the consideration in making investment decisions. The samples are five go public banking companies
which are listed in Indonesia Stock Exchange. The data is done by using the Composite Stock Price
Index (CSPI) from 2010 to 2014, the distribution of dividends per year, individual share price per
year, and the interest rate of Bank Indonesia Certificates (SBI) from 2011 to 2014.The calculation has
been done by comparing the profit level and the risk level of five shares into sample and 2 shares has
been gained as samples and these samples have been categorized into optimal portfolio and become one
combined portfolio, i.e. PT Bank Central Asia Tbk (BBCA) dan PT Bank Rakyat Indonesia Tbk
(BBRI). It can be concluded from the result of three stock proportions that the most optimal stock
proportion is 50%:50% because with this proportion it can gain the largest rate of profit from and the
smallest rate of risk from all proportions.

Keywords:Single Index Model, Portfolio, Investment, Stocks.