Pertamina Geothermal Energy is trading at IDR 990.00, up 19.28% on October 20, 2026, as Indonesia’s IDX Composite surged and CNBC Indonesia cited Danantara’s readiness to increase holdings in fundamentally strong state-owned stocks as a key catalyst. - CNBC Indonesia said the stock led gains among state-owned companies as the IDX Composite climbed 5.65%. - January–September geothermal electricity production hit a record 4,114 GWh, or 108.22% of target; available reporting does not directly link this result to the share-price jump.