The aim of this study is to analyze whether the stock prices decrease at ex-dividend date in Indonesia Stock Exchange (IDX) that is determined by amount of dividend drop-off ratio (DDR). This study also attempts to investigate the differences the stock prices decrease at ex-dividend date based on Investment Opportunity Set (IOS). Sample consist of the companiesthat announced the divid... https://www.diegojavierfares.com/top-deal-Goodridge-G-Stop-Brakeline-Kit-Subaru-hot-buy/