Trading Friction and Spread Decomposition in Indonesian Stock Exchange

Immas Nurhayati, Irwan Adi Ekaputra, Zaäfri Ananto Husodo


We examine the intraday trading and price change for frequently traded stocks in Indonesian Stock Exchange. Using bid and ask price, trade price, number of trade, trade volume, we study how to measure and identify the source of trading friction and to infer what is the biggest component of trading friction. The result of 50 most frequently traded stocks in the Indonesian Stock Exchange using trading friction estimator conclude that the average trading friction of high market capitalization and the most relatively liquid stocks, scattered in various fractions price is equal to 1% per year, and the highest trading frictions derived from the information and it is consistent with spread decomposition estimator.
Keywords: Trading friction; Spread decomposition; High market capitalization; Frequently traded stock; Liquid stock.

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