This study examines the impact of a macroeconomic variable on the performance of the Malaysian stock market between 1990 and 2020. The currency exchange rate is used as the macroeconomic variable in this research. In this study, monthly data observations were analysed using Multiple Linear Regression, Diagnostic Checking (Multicollinearity), Autocorrelation (Durbin Watson Test), Descriptive Tests, and Normality Tests to determine the impact of specific variable on stock market performance over the past 30 years. The empirical research results indicate that the exchange rate has a statistically significant effect on the performance of the Malaysian stock market. The findings and conclusions of the study is valuable and relevant to governments, legislators, researchers, academics, and investors interested in the topic and field of study to which this research pertains. Lastly, new research can be undertaken by referencing the limits of the prior study and the recommendations for future routes of improvement. As a result of the findings of this study, the exchange rate affects the stock market, and future research must monitor any changes in the variables mentioned above and, more significantly, make good use of the information collected.