(LDR) dan Biaya Operasional terhadap Pendapatan Operasional (BOPO) terhadap Return On Asset (ROA) pada Perusahaan Perbankan Konvensional Devisa yang Tedaftar di Bursa Efek Indonesia Periode 2014-2018”.

This study aims to analyze the effect of company size), Loan to deposit (LDR), Operational Cost Ratio (BOPO) to the Profitability of Conventional Foreign Exchange Banks in Indonesia which is proxied by Return on Assets (ROA). The sampling technique used in this study is the purposive sampling technique with the criteria of the Foreign Exchange Conventional Bank that publishes annual financial reports for 2014-2018 on the website of the Foreign Exchange Conventional Bank. The data analysis method in this study is multiple linear regression analysis which was previously tested classical assumptions . Hypothesis testing uses the t statistical test, the F statistical test and the coefficient of determination. The results showed that partially showed that the Company Size variable, LDR had a significant positive effect on profitability, BOPO had a significant negative effect on profitability. While together the independent variables affect the profitability