This research aims to determine the effect Net Profit Margin (NPM) and Debt to Equity Ratio (DER) on share prices at PT Indocement Tunggal Prakarsa Tbk for the 2012-2023 period, both partially and simultaneously. The research method used by the author in compiling this thesis is a quantitative method, namely conducting research that describes the company's financial condition expressed in numerical form. The data used is secondary data in the form of financial reports of PT Indocement Tunggal Prakarsa Tbk for a period of 12 years from 2012-2023. The analytical methods used are classical assumption tests, multiple regression analysis, coefficient of determination and hypothesis testing. The research results show that partially Ner Profit Margin (NPM) does not have a significant effect on share prices where the calculated t value 0.05. Partially Debt to Equity Ratio (DER) has a significant effect on stock prices where the calculated t value > t table is -3.314 > 1.83311 with a significant value of 0.009 F table is 10.78 > 4.26 with a significant value of 0.004 < 0.05.
Hikmah et al. (Mon,) studied this question.