Nanhua Futures(SH:603093) Nan Hua Qi Huo·2025-04-18 10:42Group 1: Index Performance Summary - The South China Composite Index (NHCI) closed at 2421.42, down 1.19 points or -0.05% from the previous trading day, with an annualized return of -7.19% and an annualized volatility of 13.87% [4] - Among the sector indices, the South China Energy and Chemical Index (NHECI) had the largest increase, rising 0.38%, while the South China Industrial Products Index (NHII) had the smallest increase, rising 0.09%. The South China Black Index (NHFI) had the largest decline, falling -0.6%, and the South China Metal Index (NHMI) had the smallest decline, falling -0.29% [1][4] - Among the theme indices, the Energy Index (NHEI) had the largest increase, rising 1.12%, and the Coal - Chemical Index (NHCCI) had the smallest increase, rising 0.17%. The Building Materials Index (NHBMI) had the largest decline, falling -0.94%, and the Mini - Composite Index (NHCIMi) had the smallest decline, falling -0.53% [1][5] - Among the single - variety commodity futures indices, the Crude Oil index had the largest increase, rising 1.66%, and the Glass index had the largest decline, falling -3.77% [5] Group 2: Index Contribution Analysis - For the South China Composite Index, positive contributors included Gold (6.60%) and Crude Oil (30.09%), while negative contributors included Iron Ore (-7.19%) and Glass (-10.62%) [10] - For the South China Energy and Chemical Index, positive contributors included Aluminum (1.32%) and Polypropylene (1.15%), while negative contributors included Iron Ore (-11.18%) and Coke (-17.56%) [10] - For the South China Agricultural Products Index, positive contributors included Rapeseed Meal (2.81%) and Live Pigs (4.97%), while negative contributors included Palm Oil (-1.74%) and Natural Rubber (-19.61%) [10] Group 3: Other Information - The calculation method of the rise - fall ratio in the report is (today's closing price - yesterday's closing price) divided by yesterday's closing price, and the contribution rate is the product of the rise - fall ratio and the weight [19] - The South China Commodity Index excludes the price difference when the commodity contract changes months, reflecting the real return of investing in commodity futures [19] - The contribution rate calculation method used in the report is: a variety's daily rise - fall ratio divided by the sum of the absolute values of each variety's daily rise - fall ratio [19]