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All Journal Ribhuna: Jurnal Keuangan dan Perbankan Syariah
Muhammad Ziyan El Haq
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Economics, Econometrics & Finance

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PENGARUH CAPITAL ADEQUACY RATIO (CAR) TERHADAP NET OPERATING MARGIN (NOM) DENGAN NON PERFORMING FINANCING (NPF) SEBAGAI VARIABEL INTERVENING PADA BANK UMUM SYARIAH DI INDONESIA PERIODE 2022-2024 Aies Apriliza Seventin; Muhammad Ziyan El Haq; Ranti Novanda Eka Prawesti; Diah Ayu Anis Wulandari; Desti Tampi Prabowo; Achmad Miftachul Huda
RIBHUNA : Jurnal Keuangan dan Perbankan Syariah Vol. 5 No. 2 (2026): July 2026
Publisher : Islamic Banking Department, Faculty of Islamic Economics and Business, Institut Agama Islam (IAI) Ibrahimy Genteng Banyuwangi, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69552/7dcbbq72

Abstract

The Islamic banking industry in Indonesia shows promising growth, reflected in asset expansion and increased public trust in sharia-based financial systems. This study examines the effect of Capital Adequacy Ratio (CAR) on Net Operating Margin (NOM) with Non-Performing Financing (NPF) as an intervening variable in Indonesian Islamic Commercial Banks (Bank Umum Syariah/BUS) during 2022–2024. Using a quantitative associative-causal design with secondary data from 36 monthly observations sourced from OJK publications, the study employs simple linear regression, multiple linear regression, and path analysis. Assessment of classical regression assumptions comprising normality, multicollinearity, heteroscedasticity, and autocorrelation tests were all fulfilled. Results indicate that CAR has a significant negative effect on NPF (t = –8.082; Sig. = 0.000), CAR has a significant positive effect on NOM (t = 5.988; Sig. = 0.000), and NPF has a significant positive effect on NOM (t = 4.008; Sig. = 0.000). Path analysis reveals that NOM significantly mediates the relationship between CAR and NPF, with the indirect effect (–4.148) exceeding the direct effect (–1.035). These findings confirm that capital adequacy affects financing quality through the channel of operational profitability. Keywords:Capital Adequacy Ratio, Net Operating Margin, Non-Performing Financing, Islamic Banking, Path Analysis.
Co-Authors Achmad Miftachul Huda Aies Apriliza Seventin Desti Tampi Prabowo Diah Ayu Anis Wulandari Ranti Novanda Eka Prawesti