商品量化CTA周度跟踪-20250916

Report Summary 1. Report Industry Investment Rating - Not provided in the given content 2. Core Viewpoints - The proportion of short positions in commodities increased slightly this week, with the intensity of black and energy - chemical factors declining and the differentiation between non - ferrous and black sectors expanding. The cross - sectionally strong sectors are precious metals and non - ferrous metals, while the weak sectors are energy and black sectors [2]. - The comprehensive signals of strategies for methanol, float glass, iron ore, lead, and aluminum are neutral this week, except for iron ore which is bearish [3][6][9]. 3. Summary by Related Catalogs Commodity Market Overview - The proportion of short positions in commodities increased slightly this week, with the intensity of black and energy - chemical factors falling and the differentiation between non - ferrous and black sectors widening. Precious metals and non - ferrous metals are strong, while energy and black sectors are weak. Gold's time - series momentum rebounded significantly, but the internal difference between gold and silver continued to expand. The position factor of the non - ferrous sector increased marginally, with copper being strong. In the black sector, the momentum factor increased marginally, and iron ore was stronger than rebar in the term structure. In the energy - chemical sector, cross - sectional momentum was differentiated, with chemicals weaker than energy, and soda ash being weak. In the agricultural products sector, the positions of soybean oil and palm oil decreased, while that of soybean meal increased, and one can short the oil - meal ratio [2]. Methanol - Last week, the supply factor of the strategy net value weakened by 0.09%, the demand factor strengthened by 0.11%, the spread factor decreased by 0.09%, and the synthetic factor decreased by 0.07%. This week, the comprehensive signal is neutral. Fundamentally, the capacity utilization rate of domestic methanol decreased (bullish on the supply side); the average start - up of traditional downstream industries continued to decline, but the start - up of the olefin industry rebounded (neutral on the demand side); ports continued to accumulate inventory significantly (bearish on the inventory side); overseas methanol spot market prices and import profits released bearish signals, and the bullish strength of the spread side weakened and turned neutral [3]. Float Glass - Last week, the returns of major category factors were flat month - on - month, and this week, the comprehensive signal remains neutral. Fundamentally, the start - up load of float glass was flat compared with last week (neutral on the supply side); the transaction area of commercial housing in 30 large - and medium - sized Chinese cities decreased slightly (neutral on the demand side); the inventory of float glass enterprises decreased (slightly bullish on the inventory side); the profit of pipeline - gas - made float glass declined, and the bullish strength of the profit side weakened and remained neutral; the spread factor in the Shenyang - Shahe area released a bearish signal (slightly bearish on the spread side) [6]. Iron Ore - Last week, the supply factor of the strategy net value weakened by 0.21%, the spread factor decreased by 0.25%, and the synthetic factor decreased by 0.16%. This week, the comprehensive signal remains bearish. Fundamentally, the import volume in August increased, and the shipment volume from Brazil rose (bearish on the supply side); the consumption of sintering ore powder by steel mills increased, and the bullish feedback on the demand side strengthened, but the signal remained neutral; the inventory of major port iron ore continued to accumulate, and the bearish feedback on the inventory side strengthened, with the signal remaining neutral; the freight rate decreased, but the spot price increased, and the bearish feedback on the spread side weakened, with the signal remaining bearish [9]. Lead - Last week, the supply factor of the strategy net value weakened by 0.27%, the inventory factor increased by 0.04%, the spread factor decreased by 0.03%, and the synthetic factor decreased by 0.07%. This week, the comprehensive signal turned neutral. Fundamentally, the profit of SMM recycled lead was repaired, and the supply - side signal turned from bearish to neutral; LME lead registered warehouses and inventory continued to reduce, and the inventory - side signal remained neutral; the LME near - far - month spread widened, and the spread - side signal turned from neutral to bullish [9]. Aluminum - Last week, the supply factor of the strategy net value weakened, and the spread factor decreased by 0.03%, and the synthetic factor decreased by 0.07%. This week, the comprehensive signal is neutral. Fundamentally, the recovery speed of the supply side slowed down, and the supply - side signal turned from bearish to neutral [9].