Abstract
This study aims to determine the effect of stock prices, trading volume, and variance of return on the bid-ask spread in companies that do stock splits listed on stock exchanges in Southeast Asia in 2018. In this study the sampling technique used was nonprobability purposive sampling so that produced a total of 248 companies with 26 companies on the Indonesia Stock Exchange, 10 companies on the Philippines Stock Exchange, 56 companies on the Malaysia Stock Exchange, 18 companies on the Singapore Stock Exchange, 48 companies on the Thailand Stock Exchange and 90 companies on the Vietnam Stock Exchange. This study uses multiple regression methods using Eviews 10 to process data. The results of the study indicate that on the Indonesia Stock Exchange, stock prices have a negative and significant effect on the bid-ask spread, trading volume has no significant negative effect on the bid-ask spread, variance returns have a positive and insignificant effect on the bid-ask spread. On the Philippine Stock Exchange, stock prices have no significant negative effect on the bid-ask spread, trading volume has a positive and significant effect on the bid-ask spread, variance returns have a positive and insignificant effect on the bid-ask spread. On the Malaysia Stock Exchange, stock prices have a negative and significant effect on the bid-ask spread, trading volume and variance returns have a positive and significant effect on the bid-ask spread. On the Singapore Stock Exchange, stock prices and trading volume have a negative and significant effect on the bid-ask spread, variance returns have a positive and insignificant effect on the bid-ask spread. On the Thailand Stock Exchange, stock prices have a negative and significant effect on the bid-ask spread, trading volume and variance returns have a positive and significant effect on the bid-ask spread. On the Vietnam Stock Exchange, stock prices have no significant negative effect on the bid-ask spread, trading volume has no significant positive effect on the bid-ask spread, variance returns have a positive and significant effect on the bid-ask spread.
Keywords: Stock Price, Trading Volume, Variant Return, Bid-Ask Spread, Stock Split