This study aimed to determine the effect of Financial Performance, Stock Prices, Stock Returns, and Stock Liquidity on Stock split decisions. Period used in this research were during 2016-2018. This study is a quantitative research. Population in this study were companies that conduct stock split listed in the Indonesia Stock Exchange for the periods of 2016-2018. The sampling technique used purposive sampling technique and obtained 40 companie. The method used in this study is the logistic regression method. The result showed that Financial Performance has a positive effect on stock split decisionst stock prices and stock liquidity have no effects on stock split decisions while stock returns has a significant negative effect on stock split decisions.