Net Asset Value (NAV) is a fair market value of securities and other assets of a mutual fund deducted by an obligation (debt). NAB is one of benchmark in monitoring the result of a mutual fund. This research aims to analyze the effect of Rupiah Exchange Rate (KURS), Inflation, Jakarta Islamic Index (JII) and Bank Indonesia Sharia Certificate (SBIS) to Net Asset Value (NAV) of Sharia Mutual Fund. The data used is secondary data and the method used is panel data regression analysis. The sample in this study consisted of 5 companies registered in the Otoritas Jasa Keuangan (OJK) from 2012-2016 with Judgment Sampling as sampling method. The results of this research is that the variable exchange rate, inflation and JII have significant effects a...