期指：短线超跌反弹

1. Report Industry Investment Rating - Not provided in the report 2. Core Viewpoints of the Report - On March 23rd, all four major stock index futures contracts for the current month declined. IF dropped by 3.52%, IH by 3.3%, IC by 4.6%, and IM by 5.28%. The total trading volume of stock index futures rebounded on the trading day, indicating increased trading enthusiasm among investors. Multiple institutions remain optimistic about the long - term trend of A - shares [1][2]. 3. Summary by Relevant Catalogs 3.1 Stock Index Futures Data Tracking - CSI 300 and Related Futures: The CSI 300 index closed at 4418, down 3.26%. Among its futures contracts, IF2604 closed at 4398, down 3.52% with a basis of - 20, IF2605 at 4385.2, down 3.80% with a basis of - 32.8, IF2606 at 4344.4, down 3.56% with a basis of - 73.6, and IF2609 at 4258.8, down 3.66% with a basis of - 159.2 [1]. - SSE 50 and Related Futures: The SSE 50 index closed at 2792.3, down 3.17%. Among its futures contracts, IH2604 closed at 2793.6, down 3.30% with a basis of 1.27, IH2605 at 2791.6, down 3.36% with a basis of - 0.73, IH2606 at 2776, down 3.43% with a basis of - 16.33, and IH2609 at 2741.2, down 3.50% with a basis of - 51.13 [1]. - CSI 500 and Related Futures: The CSI 500 index closed at 7440.8, down 4.11%. Among its futures contracts, IC2604 closed at 7387.6, down 4.60% with a basis of - 53.15, IC2605 at 7337.6, down 5.25% with a basis of - 103.2, IC2606 at 7235, down 4.88% with a basis of - 205.8, and IC2609 at 7049, down 5.13% with a basis of - 391.8 [1]. - CSI 1000 and Related Futures: The CSI 1000 index closed at 7409.1, down 4.81%. Among its futures contracts, IM2604 closed at 7364, down 5.28% with a basis of - 45.11, IM2605 at 7298, down 6.13% with a basis of - 111.1, IM2606 at 7190, down 5.55% with a basis of - 219.1, and IM2609 at 6970, down 5.76% with a basis of - 439.1 [1]. 3.2 Trading Volume and Open Interest - Trading Volume: The total trading volume of IF increased by 16389 lots, IH by 9616 lots, IC by 17588 lots, and IM by 34579 lots [2]. - Open Interest: The total open interest of IF increased by 15821 lots, IH by 15894 lots, IC by 12068 lots, and IM by 22412 lots [2]. 3.3 Top 20 Member Positions Changes - IF Contracts: For IF2604, long positions increased by 4217 with a net change of 11416, and short positions increased by 2653 with a net change of 10103; for IF2606, long positions increased by 5627 and short positions by 5993; for IF2609, long positions increased by 1572 and short positions by 1457 [5]. - IH Contracts: For IH2604, long positions increased by 5086 with a net change of 13287, and short positions increased by 5132 with a net change of 13530; for IH2606, long positions increased by 6270 and short positions by 6234; for IH2609, long positions increased by 1931 and short positions by 2164 [5]. - IC Contracts: For IC2604, long positions increased by 1193 with a net change of 8447, and short positions increased by 67 with a net change of 7894; for IC2606, long positions increased by 6439 and short positions by 6844; for IC2609, long positions increased by 815 and short positions by 983 [5]. - IM Contracts: For IM2604, long positions increased by 769 with a net change of 11879, and short positions increased by 365 with a net change of 11391; for IM2606, long positions increased by 11110 and short positions by 11026 [5]. 3.4 Trend Strength - The trend strength of IF and IH is 1, and that of IC and IM is also 1. The trend strength ranges from - 2 to 2, with - 2 being the most bearish and 2 being the most bullish [5]. 3.5 Important Drivers - Key events include China's emphasis on the development of Xiongan New Area, domestic refined oil price control, the deadlock in US - Iran negotiations, a more than 9% drop in international oil prices, sharp fluctuations in precious metal prices, and a significant decline in Asia - Pacific stock markets. A - shares and Hong Kong stocks also experienced significant drops, but multiple institutions are optimistic about the long - term trend of A - shares [6][7].