FAKTOR-FAKTOR YANG MEMPENGARUHI BID-ASK SPREAD SAHAM LQ-45 DI BURSA EFEK INDONESIA

The purpose of this study was to determine the factors that affect of bid-ask spread LQ-45 in Indonesia Stock Exchange period 2012-2014. Samples of this study are 20 companies that selected by purposive sampling technique based a certain criteria. The data analysis used multiple linear regression. The results of this study showed that stock price, variance return, and trading volume simultaneously have significance affect to bid-ask spread. The others results of this study also showed that stock price has a negative significance affect to bid-ask spread, variance return has a positive significance affect to bid-ask spread, and trading volume has a negative siginificance affect to bid-ask spread. The implication of this study are investors should more consideration to the stock price, variance return, and trading volume when to buy or sell stock in order to avoid paying high spreads. Determination of the amount is spread by dealers as compensation to cover some of the costs in the process of buying and selling shares. Keywords: bid-ask spread, stock price, variance return, and trading volum