当月合约距离到期还剩20天：50ETF价格、隐波近三年走势

Report Industry Investment Rating No relevant information provided. Report's Core View No relevant information provided. Summary of Each ETF and Index 50ETF - Price and volatility data from December 25 - 29, 2025, with price ranging from 3.107 to 3.12, and daily price changes from -0.35% to 0.42%. The current IV of the month was between 11.93% and 12.86%, and the IV of the next month was between 13.04% and 13.99% [1]. - The skew index of the main contract month was 100.03 today [2]. Shanghai 300ETF - Price and volatility data from December 24 - 26, 2025, with price ranging from 4.757 to 4.784, and daily price changes from 0.19% to 0.57%. The current IV of the month was between 13.79% and 14.42%, and the IV of the next month was between 15.16% and 16.22% [3]. - The skew index of the main contract month was 101.35 today [5]. Shenzhen 300ETF - Price and volatility data from December 25 - 29, 2025, with price ranging from 4.838 to 4.860, and daily price changes from -0.45% to 0.41%. The current IV of the month was between 14.10% and 14.73%, and the IV of the next month was between 15.17% and 16.07% [6]. - The skew index of the main contract month was 107.43 four days ago, and 98.39 today [10]. Shanghai CSI 500ETF - Price and volatility data from December 25 - 29, 2025, with price ranging from 7.534 to 7.580, and daily price changes from 0.19% to 2.17%. The current IV of the month was between 17.60% and 18.88%, and the IV of the next month was between 18.05% and 19.38% [12]. - The skew index of the main contract month was 101.22 today [15]. Shenzhen CSI 500ETF - Price and volatility data from December 25 - 29, 2025, with price ranging from 2.974 to 2.991, and daily price changes from -0.40% to 0.81%. The current IV of the month was between 17.37% and 18.81%, and the IV of the next month was between 17.74% and 19.77% [19]. - The skew index of the main contract month was 100.96 today [24]. ChiNext ETF - Price and volatility data from December 25 - 29, 2025, with price ranging from 3.205 to 3.226, and daily price changes from -0.65% to 0.31%. The current IV of the month was between 24.85% and 26.03%, and the IV of the next month was between 25.92% and 27.20% [25]. - The skew index of the main contract month was 95.68 today [31]. Shenzhen 100ETF - Price and volatility data from December 25 - 29, 2025, with price ranging from 3.470 to 3.485, and daily price changes from -0.43% to 0.29%. The current IV of the month was between 18.09% and 19.01%, and the IV of the next month was between 20.09% and 20.49% [35]. - The skew index of the main contract month was 101.71 today [38]. Science and Technology Innovation 50ETF - Price and volatility data from December 25 - 29, 2025, with price ranging from 1.417 to 1.422, and daily price changes from -0.21% to -0.07%. The current IV of the month was between 25.30% and 26.36%, and the IV of the next month was between 26.23% and 28.23% [44]. - The skew index of the main contract month was 95.11 today [46]. STAR 50ETF - Price and volatility data from December 25 - 29, 2025, with price ranging from 1.373 to 1.376, and daily price changes from -0.15% to -0.07%. The current IV of the month was between 25.91% and 27.29%, and the IV of the next month was between 27.43% and 29.24% [51]. - The skew index of the main contract month was 95.32 today [57]. 300 Index - Price and volatility data from December 25 - 29, 2025, with price ranging from 4639.372 to 4657.240, and daily price changes from -0.38% to 0.32%. The current IV of the month was between 14.67% and 14.88%, and the IV of the next month was between 15.82% and 16.84% [63]. - The skew index of the main contract month was 108.62 today [67]. 1000 Index - Price and volatility data from December 25 - 29, 2025, with price ranging from 7579.379 to 7605.530, and daily price changes from -0.15% to 0.97%. The current IV of the month was between 18.31% and 19.31%, and the IV of the next month was between 19.06% and 20.56% [68]. - The skew index of the main contract month was 104.72 today [73]. SSE 50 Index - Price and volatility data from December 25 - 29, 2025, with price ranging from 3032.841 to 3045.404, and daily price changes from -0.35% to 0.41%. The current IV of the month was between 12.89% and 13.50%, and the IV of the next month was between 59.33% and 62.95% [78]. - The skew index of the main contract month was 97.89 today [84].