This research aims to carefully investigate the concepts of bandarmology, fundamentals and impulsive buying on the owner's wealth. The research method used in the research is qualitative phenomology which aims to provide a deep and broad understanding of how the concepts of bandarmology, fundamentals and impulsive buying influence the owner's wealth. In addition, a phenomological approach was chosen to find meaning from experiences directly experienced by individuals. Phenomology was chosen with the aim of collecting information regarding bandarmology, fundamentals, impulsive buying and owner wealth from an investor's perspective. This research uses primary data obtained from in-depth interviews with the subjects of the research. The informants used in this research are active investors on the IDX. Based on the research results, it can be concluded that: 1) Bandarmology has an influence on the owner's wealth through price movements formed by bandarmology (market maker). 2) Fundamentals have an influence on the owner's wealth through price movements which are influenced by the company's fundamentals. 3) Impulsive Buying has an influence on the owner's wealth through price movements which are influenced by impulsive purchases by investors. 4) The owner's wealth is influenced by share prices which are formed by bandarmology, fundamentals and impulsive buying on the stock exchange.
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