The annual portfolio adjustments and rebalancing for the S&P Goldman Sachs Commodity Index (S&P GSCI) occur concurrently with those of the BCOM Index, taking place during a one-week window beginning on January 8; ETFs tracking this index will carry out their portfolio adjustments during the same week.Unlike the BCOM Index, the S&P Goldman Sachs Commodity Index (S&P GSCI) employs a stable methodology, meaning that the changes in 2026 reflect only annual production/liquidity updates rather than structural adjustments. Focusing on changes to the GSCI, the commodities with significant net purchases include: corn, natural gas, aluminum, copper, and gold.Major sell-offs: wheat, soybeans, cocoa, cotton, WTI crude oil, Brent crude oil, gasoline, and heating oil. Among these, corn’s weighting nearly doubled, increasing by 2.20 percentage points.The weighting of WTI crude oil decreased by 2.47 percentage points. The weighting of gold increased by 2.14 percentage points.