Abstract :
This research aims to determine the influence of financial performance, capital
strucuture and firm size on firm value listed on Jakarta Islamic Index in the period
2018 ? 2020. The type of this research is quantitative research that uses secondary
data based on annual report. A sample of this research consisted of 29 Jakarta
Islamic Index companies. Techniques analyzing data in this research used
regression model selection test, classical assumption test, multiple linear
regression, and partial hypothesis testing (t test). Based on the result of these test,
it can be concluded that (1) financial performance has significant influence on firm
value, (2) capital structure has no significant influence on firm value, (3) firm size
has a significant influence on firm value, and control variable (4) firm age has no
significant influence on firm value.