The Purpose of This study is to examine the effect of the stock price, trading volume, liquidity, leverage, earning per share and return the stock to the bid ask spread Islamic stock. The population is an company that register in the years 2014-2015 of Islamic securities. The technique of sample in this study is use purposive sampling mehod which criteria that list in Indonesia stock exchange company, present in rupiah, and also have a complete data during study period until it gets 185 total sample of companies that list in Islamic securities. The method of analysis data is use multiple linear regression. The reslt of the study are show that the stock price, trading volume, liquidity, leverage, earning per share and stock return simultaneously significant effect on the bid-ask spread af Islamic stocks.Variable stock pricr, earning per share and return stock partially significant negative affect on the bid-ask spread on Islamic stocks. Trading the volume variable which partially significant positive effect on the bid-ask spread pf Islamic stocks. While the variable of partial liquidity and leverage do not affect the bid-ask spread of Islamic stocks.