股指分红点位监控周报：股指期货主力合约贴水幅度收窄-20251224

========= - The report tracks the dividend progress of constituent stocks in major indices such as the SSE 50, CSI 300, CSI 500, and CSI 1000, noting the number of companies at different stages of the dividend process[1][13] - The dividend yield of stocks with announced dividend plans is highest in the coal, banking, and steel industries[2][14] - The realized and remaining dividend yields for the SSE 50, CSI 300, CSI 500, and CSI 1000 indices as of December 24, 2025, are provided, with the SSE 50 having the highest realized yield at 2.70%[3][16] - The annualized premium and discount rates for the main contracts of IH, IF, IC, and IM futures as of December 24, 2025, are tracked, with IM having the highest annualized discount rate at -8.67%[4][12] - The methodology for calculating index dividend points is briefly reviewed, including the use of constituent stock weights, dividend amounts, and total market value[5][41] - The process for estimating constituent stock weights, including adjustments for stock price changes and the use of daily closing weights from the China Securities Index Company, is detailed[6][45][46] - The dynamic prediction method for net profit based on historical profit distribution is explained, including the classification of companies into stable and unstable profit distribution categories[7][47][50] - The prediction of dividend payout ratios using historical data and the linear extrapolation method for predicting ex-dividend dates are described[8][51][55] - The accuracy of the index dividend point estimation model is analyzed, showing higher accuracy for the SSE 50 and CSI 300 indices compared to the CSI 500 index[9][57][61] - The report includes charts showing the historical premium and discount rates of the main contracts for IH, IF, IC, and IM futures from 2020 to 2025[10][17][18][22] - The historical percentile positions of the basis for IH, IF, IC, and IM contracts are provided, indicating the relative premium levels of these contracts[11][27][29][35] =========