This study aims to determine the effect of inflation and the composite stock price index on the net asset value of Islamic mutual funds. In addition, this study also aims to determine the effect of the rupiah exchange rate in moderating the relationship between inflation and the composite stock price index on the net asset value of Islamic mutual funds. The object of research in this study are all sharia mutual fund companies registered with the Financial Services Authority during the 2015-2019 period which opened 181 companies. The type of research used in this study is quantitative research, where the sampling method in this study was carried out using purposive sampling method. The sample in this study is the net asset value of Islamic m...