南华商品指数：贵金属板块领涨，黑色板块下跌

Report Overview - The report provides an analysis of the performance of the Nanhua Commodity Index on October 21, 2025, including the changes in various sector and theme indices, as well as the performance of individual commodity futures [1][3]. Index Performance Overall Index - The Nanhua Composite Index rose 0.41% based on the closing prices of adjacent trading days [1]. Sector Indices - All sector indices except the Nanhua Black Index rose. The Nanhua Precious Metals Index had the largest increase of 1.68%, while the Nanhua Agricultural Products Index had the smallest increase of 0.02%. The Nanhua Black Index fell 0.24% [1]. Theme Indices - Among the theme indices, the Petrochemical Index had the largest increase of 0.52%, and the Economic Crops Index had the smallest increase of 0.2%. The Black Raw Materials Index had the largest decline of 0.48%, and the Building Materials Index had the smallest decline of 0.04% [1]. Single - Commodity Indices - The Gold single - commodity index had the largest increase of 2.45% [1]. Performance of Specific Commodities Agricultural Products - In the agricultural products sector, palm oil fell 0.26%, rapeseed oil fell 0.54%, rapeseed fell 0.73%, rapeseed meal fell 1.23%, while live pigs rose 0.66% and corn rose 0.28% [8]. Energy and Chemicals - In the energy and chemicals sector, coal rose 0.43%, polyethylene rose 0.09%, and asphalt fell 0.12% [6][11].