@thesis{thesis, author={ZYAHROMIE EVIE TRI RATNA}, title ={ANALISIS PENGARUH STOCK SPLIT, VOLUME PERDAGANGAN, DAN RETURN SAHAM TERHADAP BID - ASK SPREAD PADA PERUSAHAAN YANG TERDAFTAR DI BEI}, year={2013}, url={http://eprints.perbanas.ac.id/1047/}, abstract={This research aimed to determine the effect of Stock Split, Trading Volume, and Stock Return of the Bid-Ask Spread. Stock Split in this study indicated from the daily share price during the five days prior to the Stock Split and performed five days after the Stock Split, Trading Volume by Volume of shares outstanding views in the five days before and five days after the Stock Split and Stock Return is measured by using the total daily stock Returns during the five days before and five days after the Stock Split. The population in this research are all companies listed on the Indonesia Stock Exchange during the period from 2007 to 2011 with a sample of firms that do Stock Split during the period of observation. Sampling was purposive sampling method. From thirty-seven companies, only eighteen companies selected . The hypotheses were tested by multiple regression analysis with a significance level of 10%. The results of this research is the Stock Split does not affect the Bid-Ask Spread the companies listed on the Stock Exchange. Trade volume has no effect on the Bid-Ask Spread the companies listed on the Stock Exchange. Stock Return has no effect on the Bid-Ask Spread the companies listed on the Stock Exchange during the period of the study in 2007-2011. Keywords: Stock Split, Trading Volume, Return Stock, Bid-Ask Spread} }