基差方向周度预测-20250905

Report Summary 1) Report Industry Investment Rating - No information provided 2) Core Viewpoints - This week reached the "September 3rd" critical window period, with index trends mainly driven by sentiment. Market expectations cooled, long - term interest rates declined, and there was a value regression after structural overheating in various sectors. Leveraged funds had continuous net outflows, and broad - based indexes fell with shrinking trading volume. The U.S. manufacturing industry was in trouble, the labor market cooling trend was confirmed, and the certainty of a September interest rate cut increased. In terms of basis, the discount widened since the end of August, and the basis of JH and IF weakened slightly this week, while that of IC and IM recovered [2]. - The model predicts that the basis of IH and IF will strengthen next week, while the basis of IC and IM will weaken [3]. 3) Summary by Related Content Market Performance This Week - After structural overheating in various sectors, there was a value regression. Sectors with concentrated financing and institutional funds faced corrections. Concepts such as optical modules and national defense and military industry had large correction amplitudes, while battery and energy storage sectors led the rise. Leveraged funds had continuous net outflows, and the margin balance declined daily after peaking on September 1st. Broad - based indexes fell with shrinking trading volume, ending four consecutive weekly declines. Small - cap stocks broke through support levels, while large - cap indexes were relatively resilient. The weekly decline of the Shanghai 50 and CSI 300 was about 1%, the CSI 1000 declined by 2.6%, and the STAR 50 declined by more than 5% [2]. - The U.S. ISM manufacturing PMI contracted for six consecutive months, the employment index was at its weakest level since the pandemic, JOLTS employment data was not optimistic, ADP employment growth slowed significantly, and the labor market cooling trend was confirmed, increasing the certainty of a September interest rate cut [2]. - Since the end of August, the discount has continued to widen. The basis of JH and IF weakened slightly this week compared with last week, while the basis of IC and IM recovered. The annualized discounts were around 8% and 9.5% respectively, and the discount inversion of IC and IM was lifted. The current term structure of each variety has a higher near - end, and near - end hedging is the main strategy. As the basis of each contract basically returned to the normal position, the profit of the spot - futures arbitrage strategy was realized [2]. Next - Week Forecast - The model predicts that the basis movement directions of IH, IF, IC, and IM next week are: strengthen, strengthen, weaken, and weaken respectively [3]