I can see it. Wenhua Commodity Index is an index that tracks the comprehensive price performance of 28 domestic listed commodities, covering all futures varieties in the market. When selecting futures varieties, Wenhua Commodity Index mainly considers factors such as trading volume and liquidity in the market, and the weight distribution is also adjusted regularly according to these factors of futures varieties. The Wenhua Commodity Index can check the contract data of last month. For example, users can view the contract data of different months by selecting different time periods.