CIG(SH:603083) Nan Hua Qi Huo·2025-12-16 10:39Report Summary 1. Report Industry Investment Rating No information provided. 2. Core Viewpoints - According to the closing prices of adjacent trading days, the Nanhua Composite Index fell by -0.53% today. Among the sector indices, only the Nanhua Black Index rose by 0.26%, while the rest of the sectors declined. The Nanhua Precious Metals Index had the largest decline at -1.06%, and the Nanhua Metal Index had the smallest decline at -0.42% [1][3]. - Among the theme indices, the Coal - Chemical Index had the largest increase of 0.62%, and the Black Raw Materials Index had the smallest increase of 0.48%. The Energy Index had the largest decline of -1.13%, and the Petrochemical Index had the smallest decline of -0.2% [1][3]. - Among the single - variety indices of commodity futures, the PVC index had the largest increase of 1.88%, and the Low - Sulfur Fuel Oil index had the largest decline of -2.86% [3]. 3. Summary by Relevant Catalog 3.1 Nanhua Commodity Index Market Data | Index Name | Today Close | Pre. Close | Points | Daily Change % | Annualized Return Rate | Annualized Volatility | Sharpe Ratio | | --- | --- | --- | --- | --- | --- | --- | --- | | Comprehensive Index NHCI | 2529.16 | 2542.74 | -13.58 | -0.53% | 1.05% | 11.51% | 0.09 | | Precious Metals Index NHPMI | 1722.66 | 1741.12 | -18.46 | -1.06% | 66.84% | 18.76% | 3.56 | | Industrial Products Index NHII | 3420.43 | 3436.31 | -15.88 | -0.46% | -8.91% | 13.78% | -0.65 | | Metal Index NHMI | 6523.73 | 6551.05 | -27.32 | -0.42% | 2.91% | 11.93% | 0.24 | | Energy - Chemical Index NHECI | 1491.58 | 1498.05 | -6.47 | -0.43% | -17.09% | 16.57% | -1.03 | | Non - ferrous Metals Index NHNF | 1787.44 | 1805.10 | -17.66 | -0.98% | 8.65% | 12.51% | 0.69 | | Black Index NHFI | 2461.22 | 2454.86 | 6.36 | 0.26% | -8.20% | 16.39% | -0.50 | | Agricultural Products Index NHAI | 1036.30 | 1040.72 | -4.41 | -0.42% | -2.91% | 8.17% | -0.36 | | Another Comprehensive Index NHCIMi | 1144.79 | 1150.96 | -6.17 | -0.54% | -2.26% | 9.36% | -0.24 | | Energy Index NHEI | 950.80 | 961.70 | -10.91 | -1.13% | -2.98% | 17.43% | -0.17 | | Petrochemical Index NHPCI | 858.91 | 860.61 | -1.70 | -0.20% | -2.08% | 9.79% | -0.21 | | Coal - Chemical Index NHCCI | 891.34 | 885.81 | 5.52 | 0.62% | -3.44% | 10.79% | -0.32 | | Black Raw Materials Index NHFM | 1031.06 | 1026.11 | 4.95 | 0.48% | -1.27% | 15.12% | -0.08 | | Building Materials Index NHBMI | 676.61 | 673.38 | 3.23 | 0.48% | -2.92% | 11.81% | -0.25 | | Oilseeds Index NHOOl | 1208.54 | 1214.24 | -5.70 | -0.47% | -1.42% | 7.18% | -0.20 | | Economic Crops Index NHAECI | 901.38 | 909.49 | -8.12 | -0.89% | -0.01% | 7.52% | 0.00 | [3] 3.2 Notes on Data Calculation - The daily change is calculated as the ratio of the closing price of the current day to that of the previous trading day. The contribution degree is the product of the daily change and the weight [9]. - The Nanhua Commodity Index eliminates the price difference when the commodity contract is rolled over, reflecting the real return of investing in commodity futures [9]. - The calculation method of the contribution degree used in the text is: the daily change of a certain variety / ∑|the daily change of each variety|. Red data bars represent the varieties that rose on the day, and blue data bars represent the varieties that fell on the day [9]. 3.3 Single - variety Index Information - In the agricultural products sector, some varieties' price changes are as follows: soybean oil - 1.45%, rapeseed 0.15%, rapeseed meal 0.77%, live pigs 0.40%, etc. [8] - In the energy - chemical sector, some varieties' price changes are as follows: synthetic ammonia 1.88%, coal 0.24%, LPG 0.37%, hydrocarbons - 0.60%, crude oil - 1.53%, etc. [13] - In the black sector, some varieties' price changes are shown in the black - sector part of the document, but specific data for some varieties are not fully presented [14]