Indonesia Conference Directory

This research aimed to describe an overview of the analysis effect of financial performance on Cumulative Abnormal Returns of companies listed on the Indonesia Stock Exchange before and after merger and acquisitions for the period of 2014-2018 based on calculation of financial ratios and Cumulative Abnormal Returns using the event study approach. The purpose of this research is providing the result of merger and acquisitions that there are synergies and values added for the Cumulative Abnormal Returns of the companies based on the calculation of financial ratio to the companies- financial ratios that have an effect on the Cumulative Abnormal Returns of the companies listed on the Indonesia Stock Exchange before and after merger and acquisitions for the period of 2014-2018 using the event study approach. To calculate the financial performance of the companies, this research using the parameters of financial ratios such as; Return on Equity (ROE) and Tobin-s Q Ratio. In addition to these financial ratios, this research also calculates Cumulative Abnormal Returns. The results of this research indicate that there is a significant difference in Return on Equity (ROE) before and after merger and acquisitions while Tobin-s Q Ratio and Cumulative Abnormal Returns have no significant differences before and after merger and acquisitions. Return on Equity (ROE) and Tobin-s Q Ratio do not have a statistically significant effect on Cumulative Abnormal Returns before and after merger and acquisitions.