The Indonesian Stock Exchange’s Composite Index (IHSG) closed lower on Wednesday, September 9, 2026, impacted by rising global crude oil prices. The IHSG experienced a decline of 8.24 points during the afternoon trading session. This downturn reflects investor reaction to increasing oil costs internationally. Analysts suggest that the elevated oil prices are creating uncertainty in the market, affecting investor sentiment towards Indonesian equities. The Jakarta exchange demonstrated sensitivity to these external economic pressures. Further monitoring of oil price fluctuations will be crucial for predicting future market trends in Indonesia.