1. Report Industry Investment Rating - Not provided in the content 2. Core Viewpoints of the Report - The stock market is in a stalemate between bulls and bears, and the long - end of the bond market is weak. The short - term market is recommended for defensive allocation [1] - For stock index futures, the bearish factors are weakening, and the bullish hotspots are scattered. It is recommended to allocate defensively with high - dividend and price - increase chains as the main lines, and large - cap stocks are better than small - cap stocks [1][7] - For stock index options, the implied volatility is falling to a low level. It is recommended to continue the covered call strategy for thickening [2][7] - For treasury bond futures, the long - end sentiment is still weak. The short - term is favorable for the short - end, while the long - end needs to be cautious [3][8][9] 3. Summary by Relevant Catalogs 3.1 Market Views 3.1.1 Stock Index Futures - **Market Performance**: On Monday, the Shanghai Composite Index opened higher and rebounded, standing above 3900 points, with a slight increase in trading volume to 1.88 trillion yuan. The basis and spread of IF, IH, IC, and IM have changed, and the positions have also changed [7] - **Analysis of Factors**: The bearish factors have eased. The Japanese central bank's interest rate hike did not lead to the risk of carry - trade reversal, and the short - covering of IC and IM was dominant. The bullish hotspots are limited, with sectors such as Hainan Free Trade Zone, storage chips, and precious metals being active [7] - **Outlook and Suggestions**: It is expected that there will be no systematic opportunities at the end of the year. It is recommended to allocate defensively with high - dividend and price - increase chains as the main lines, and large - cap stocks are better. The operation suggestion is to hold Red - chip ETF + IC long positions [7] 3.1.2 Stock Index Options - **Market Performance**: On Monday, the overall market liquidity of all varieties decreased, but the trading volume of Science and Technology Innovation ETF options rebounded significantly [2][7] - **Analysis of Factors**: After the Japanese interest rate hike, the market priced in the previous liquidity shock, and the rebound of US technology stocks eased market concerns. Domestically, it is in a policy vacuum period, and the end - of - year liquidity is tight with large - scale restricted - share unlocks expected [2][7] - **Outlook and Suggestions**: It is recommended to focus on defense in the short term. With the implied volatility back to a low - level shock, the covered call strategy can be continued [2][7] 3.1.3 Treasury Bond Futures - **Market Performance**: The main contracts of treasury bond futures closed down collectively yesterday, with the long - end performing relatively weakly. The T main contract opened higher and then fluctuated downwards. The trading volume, positions, spreads, and basis of T, TF, TS, and TL have changed [8] - **Analysis of Factors**: The long - end is weakly volatile. The central bank's unchanged LPR in December has cooled the broad - money expectation, and the stock market's rise has increased the risk appetite, suppressing the bond market. The short - end performs well due to loose funds, and the yield curve steepened yesterday [3][8][9] - **Outlook and Suggestions**: In the short term, loose funds are beneficial to the short - end, while the long - end needs to be cautious. The trend strategy is to be volatile. The hedging strategy is to pay attention to short - hedging at low basis levels. The basis strategy is to appropriately pay attention to basis widening. The curve strategy is that the curve may remain steep [9] 3.2 Economic Calendar - The LPR in China in December remained unchanged. The initial value of the annualized quarterly - on - quarterly growth rate of the US real GDP in the third quarter will be released on December 23, 2025, and the number of initial jobless claims in the US on December 20 will be released on December 24, 2025 [10] 3.3 Important Information and News Tracking - **Personal Credit**: The central bank issued a notice on the one - time credit repair policy. For personal overdue information from January 1, 2020, to December 31, 2025, with a single - amount not exceeding 10,000 yuan, if the overdue debt is fully repaid by March 31, 2026, the information will not be displayed in the credit database [11] - **Toddler Care Service Legislation**: The draft of the Toddler Care Service Law was submitted for the first review. It is of great significance for promoting and standardizing the development of toddler care services and building a fertility - friendly society [11] - **Anti - Subsidy against the EU**: Since December 23, 2025, China has implemented temporary anti - subsidy measures on imported dairy products from the EU in the form of temporary anti - subsidy tax deposits, with the ad - valorem subsidy rate ranging from 21.9% to 42.7% [12] 3.4 Derivatives Market Monitoring - **Stock Index Futures Data**: Not provided in the given content - **Stock Index Options Data**: Not provided in the given content - **Treasury Bond Futures Data**: Not provided in the given content