The purpose of this study is to analyze the capital market reaction from the impact of religious holidays which will be indicated by the presence or absence of abnormal return and trading volume activity. The sample used is the Jakarta Islamic Index (JII). This type of research is event study so that the observation period is used to see reactions before and after the event occurs. https://safeersappliancers.shop/product-category/faber-daisy-b-eg6-a55-55cm-angled-cooker-hood-black-glass-330-0529-064/