Core Viewpoint - The article discusses the significant rebound in commodity prices driven by the "anti-involution" trend in July, highlighting the opportunities for arbitrage due to the rapid decline in basis rates to historical lows [2]. Group 1: Market Trends - The current market shows a clear near-weak and far-strong pattern, with near-term prices returning to reality as they approach delivery months, emphasizing the importance of warehouse logic [2]. - The article notes that the spot price increases and volatility are not keeping pace with futures prices, creating arbitrage opportunities [2]. Group 2: Arbitrage Costs and Monthly Differences - A detailed analysis of the monthly differences and risk-free arbitrage costs for various commodities is provided, with a funding cost reference of 4% [2]. - Specific examples include PTA with a monthly difference of -36 and an arbitrage cost of 186, and MEG with a monthly difference of -23 and an arbitrage cost of 238 [4]. - The article also highlights the complexities of warehouse registration and cancellation for various commodities, affecting their arbitrage potential [4][5][6]. Group 3: Commodity Specifics - For energy products, the article mentions that the asphalt warehouse registration is concentrated at the end of September, leading to potential expiration of warehouse receipts [4]. - In the black metals sector, the iron ore and rebar products show limited arbitrage space, with specific costs outlined for effective trading [5]. - The agricultural products section indicates that the risk-free arbitrage cost for live hogs is variable, depending on market conditions and production costs [6]. Group 4: Overall Market Strategy - The article emphasizes the need for investors to consider the implications of warehouse logic and registration timelines when engaging in commodity trading [2][4][5]. - It suggests that understanding the monthly differences and associated costs is crucial for making informed investment decisions in the current market environment [2][4].