Futures warehouse receipt refers to the certificate that related futures varieties are delivered to the delivery warehouse of the futures exchange through various channels and enter the delivery warehouse of the futures exchange after corresponding inspection. This is standard. The daily report of warehouse receipts of futures exchange means that the exchange will announce the changes of warehouse receipts every day. Generally, the weight of each variety without warehouse receipt is different. For example, a warehouse receipt for cotton is almost equivalent to 40 tons of cotton. You should look at the website of the exchange for specific information. I hope I can help you ~