This study aimed to investigate the effect of Non-Performing Loan and Operational Costs on the liquidity of conventional People's Credit Banks in Sidoarjo, Indonesia. The study used a quantitative research method with a multiple regression analysis processed using SPSS version 23. The sample consisted of 35 People's Credit Banks out of 59 registered in the Otoritas Jasa Keuangan during the 2020 period. The results showed that Non-Performing Loan and Operational Costs did not have a partial effect on liquidity, but they had a simultaneous effect on liquidity.
Keywords: Non-Performing Loan, Operational Costs, Liquidity, People's Credit Banks, Indonesia