The purpose of this research is to determine the effect of financial literacy, illusion of control, overconfidence, risk tolerance, risk perception and regret aversion bias. This type of research uses quantitative research. The object of this study was the community in the District of Banyumas, this study used 397 respondents. Data analysis uses multiple linear regression analysis. The analysis shows that simultaneous and partial financial literacy, illusion of control, overconvidence, risk tolerance, risk perception and regret aversion can significantly influence investment decisions.