PENGARUH RISIKO SISTEMATIS DAN RISIKO TIDAK SISTEMATIS TERHADAP EXPECTED RETURN PORTOFOLIO OPTIMAL (Pada Perusahaan yang Terdaftar Di Jakarta Islamic Index Periode 2014-2018)

Abstract

This study aims to determine the effect of systematic risk and unsystematic risk on the
portofolio optimal of expected return for jakarta islamic index in the 2014-2018 period. The
sampling method with a sample of 5 companies combined in 26 combinations. Hypothesis
testing is done by use multi linear regression analysis. The results showed that partially
systematic risk variabel (x1) had a positive effect on portofolio optimal of expected return (y),
and unsystematic risk (x2) had a negative and significant effect on portofolio optimal of
expected return (y). Determination coefficient which shows that 21,5% of systematic risk and
non-systematic risk variables influence the usage decision, while the remaining 78,5% is
influenced by other variables not examined.