Pertamina Geothermal Energy is trading at IDR 830.00, down 5.68%, amid broader Indonesian market pressure; no confirmed company-specific catalyst explains the move. - On October 20, Pertamina reported record January–September geothermal output of 4.114 GWh—108.22% of target and 9.8% above the prior-year period. This positive update was not cited as the cause of the decline. - After MSCI raised the prospect of Indonesia’s reclassification as a standalone market, the Jakarta Composite fell 3.64% on October 19; analysts expected continued volatility on October 20.