The document provides an overview and statistics about stock trading on the Indonesia Stock Exchange (IDX) in October 2017. It includes information on index values and movements, trading volumes and values by type of investor and market, most active stocks, industry classifications, and other market data. The IDX Composite Index closed at 5,882.787 on October 31, representing a 1.78% increase for the month. Total trading value on the IDX in October was IDR147.262 trillion, an increase of 9.51% compared to the previous month.