南华能化指数下跌17.69点，跌幅为

1. Report's Industry Investment Rating - No information provided in the given text 2. Core Viewpoints of the Report - This week, the Nanhua Composite Index dropped by 6.31 points, a decline of -0.23%. The most influential varieties were crude oil and palm oil, with the crude oil variety index having a change of -1.9% and a contribution rate of -0.31%, and the palm oil variety index having a change of -3.63% and a contribution rate of -0.16% [1][2] - The Nanhua Industrial Products Index fell by 18.49 points, a decrease of -0.51%. The most influential varieties were crude oil and iron ore, with the crude oil variety index having a contribution rate of -0.33% and the iron ore variety index having a contribution rate of -0.16% [1][2] - The Nanhua Metal Index remained unchanged, with the most influential variety being lithium carbonate, contributing 0.52% [1][2] - The Nanhua Energy and Chemical Index declined by 17.69 points, a drop of -1.11%. The most influential variety was crude oil, with a contribution rate of -0.48% [2] - The Nanhua Agricultural Products Index rose by 2.48 points, an increase of 0.23%. The most influential variety was soybean meal, with a contribution rate of 0.27% [2] 3. Summary According to the Directory 3.1 Weekly Data Summary | Index Name | This Week's Closing | Last Week's Closing | Change in Points | Change Rate | This Week's Maximum | This Week's Minimum | Volatility | | --- | --- | --- | --- | --- | --- | --- | --- | | Composite Index NHCI | 2723.32 | 2729.62 | -6.31 | -0.23% | 2779.86 | 2723.32 | 56.54 | | Precious Metals Index NHPMI | 2131.41 | 2063.61 | 67.80 | 3.29% | 2203.72 | 2063.61 | 140.11 | | Industrial Products Index NHII | 3605.09 | 3623.58 | -18.49 | -0.51% | 3667.91 | 3605.09 | 62.83 | | Metal Index NHMI | 7011.05 | 6981.69 | 29.36 | 0.42% | 7126.36 | 6981.69 | 144.67 | | Energy and Chemical Index NHECI | 1569.97 | 1587.66 | -17.69 | -1.11% | 1598.11 | 1569.97 | 28.15 | | Non-ferrous Metals Index NHNFI | 2021.71 | 1990.25 | 31.47 | 1.58% | 2062.45 | 1990.25 | 72.20 | | Black Index NHFI | 2466.17 | 2493.61 | -27.44 | -1.10% | 2493.61 | 2466.17 | 27.44 | | Agricultural Products Index NHAI | 1059.62 | 1057.14 | 2.48 | 0.23% | 1061.11 | 1054.59 | 6.52 | | Nanhua Composite Index NHCIMi | 1195.04 | 1210.65 | -15.61 | -1.29% | 1219.72 | 1195.04 | 24.67 | | Energy Consumption NHEI | 1018.32 | 1034.36 | -16.04 | -1.55% | 1041.88 | 1018.32 | 23.56 | | Petrochemical Ammonia NHPCI | 925.04 | 938.88 | -13.84 | -1.47% | 942.86 | 925.04 | 17.82 | | Coal Chemical Engineering Index NHCCI | 934.78 | 950.45 | -15.67 | -1.65% | 951.53 | 934.78 | 16.75 | | Black Raw Materials Xinjiang NHFMI | 1024.39 | 1040.92 | -16.53 | -1.59% | 1041.69 | 1024.39 | 17.30 | | Building Materials Index NHBMI | 680.44 | 689.07 | -8.63 | -1.25% | 689.07 | 680.44 | 8.63 | | Oilseeds and Oils Index NHOOl | 1234.90 | 1232.08 | 2.83 | 0.23% | 1237.96 | 1230.95 | 7.00 | | Economic Crops Index NHAECI | 940.84 | 928.88 | 11.96 | 1.29% | 941.59 | 928.88 | 12.71 | [3] 3.2 Nanhua Variety Index Strength and Weakness Arbitrage Data - The report provides the current value, previous value (last week), change, and ranking of the ratio of various Nanhua commodity indices and variety indices. For example, the ratio of the precious metals index to the composite index is 0.783 (previous value 0.756, change 0.03, ranking 0.992), and the ratio of the industrial products index to the composite index is 1.324 (previous value 1.328, change 0.00, ranking 0.011) [11] 3.3 Nanhua's Sector Indices Weekly Data 3.3.1 Nanhua Industrial Products Index - This week's closing is 3605.09, last week's closing is 3623.58, with a decline of -0.51%. The most influential varieties are crude oil and iron ore. The crude oil variety index has a contribution rate of -0.33%, and the iron ore variety index has a contribution rate of -0.16%. There are 21 commodities in total, 9 rising commodities, and 11 falling commodities [1][2][16] 3.3.2 Nanhua Metal Index - This week's closing is 7011.05, last week's closing is 6981.69, with an increase of 0.42%. The most influential variety is lithium carbonate, contributing 0.52%. There are 13 commodities in total, 8 rising commodities, and 2 falling commodities [1][2][16] 3.3.3 Nanhua Energy and Chemical Index - This week's closing is 1569.97, last week's closing is 1587.66, with a decline of -1.11%. The most influential variety is crude oil, with a contribution rate of -0.48%. There are 20 commodities in total, 7 rising commodities, and 13 falling commodities [2][16] 3.3.4 Nanhua Agricultural Products Index - This week's closing is 1059.62, last week's closing is 1057.14, with an increase of 0.23%. The most influential variety is soybean meal, with a contribution rate of 0.27%. There are 13 commodities in total, 8 rising commodities, and 5 falling commodities [2][16] 3.3.5 Nanhua Black Index - This week's closing is 2466.17, last week's closing is 2493.61, with a decline of -1.10%. The most influential varieties are iron ore, rebar, and coke. The iron ore variety index has a contribution rate of -0.58%, the rebar variety index has a contribution rate of -0.25%, and the coke variety index has a contribution rate of -0.18%. There are 7 commodities in total, 1 rising commodity, and 5 falling commodities [17] 3.3.6 Nanhua Non-ferrous Metals Index - This week's closing is 2021.71, last week's closing is 1990.25, with an increase of 1.58%. The most influential varieties are lithium carbonate, nickel, and tin. The lithium carbonate variety index has a contribution rate of 0.90%, the nickel variety index has a contribution rate of 0.49%, and the tin variety index has a contribution rate of 0.21%. There are 8 commodities in total, 5 rising commodities, and 2 falling commodities [19] 3.4 Contribution Degree of Each Variety's Daily Change Rate to the Index Change Rate - The report provides the average weekly open interest, month-on-month increase rate, open interest ratio, and other data of various futures varieties, including soybean meal, lithium carbonate, rebar, coking coal, etc. [21]