Identification of Iranian capital market irregularities based on metacombination and fuzzy Delphi

The purpose of this research is to identify the irregularities of the Iranian capital market based on metacombination and fuzzy Delphi. The current research was conducted as a mixed research (qualitative-quantitative). Based on this, in the first stage of the research, in order to extract the types of capital market irregularities from the literature related to the research, a meta-composite qualitative research method has been used. The statistical population of the research in the metacomposite section included books and articles related to the research topic (English articles studied in this research from the years 2000 to 2022 and Persian articles from the years 1385 to 1401).In the quantitative phase of the research, by using the fuzzy Delphi method and the questionnaire tool, common irregularities were screened by a survey of experts. The results of the research showed that the irregularities of the Iranian capital market include eight types of irregularities related to impulse/momentum, irregularities related to technical analysis, irregularities related to calendar, irregularities related to risk, irregularities caused by fundamental analysis, irregularities related to innovation, irregularities It is related to accrual items and irregularities related to dividends.