If there is a cash balance in Kaiping warehouse, you can withdraw it then. Fashion is like buying and selling in a big market, buying at a low price and selling at a high price; Or sell the invoice at a high price first and then buy it at a low price.

Stock index futures contract, China Financial Exchange stipulates that the listing of stock index futures is four contracts, the current month, the next month and the last two quarters. For example, it is July, and the listed contracts are July, August, September and 65438+February. The so-called seasonal months refer to March, June, September and 65438+February.

The month of stock index futures contract refers to the month when the stock index futures contract expires and settles. The months of stock index futures contracts in different countries and regions are different. In S& amp countries, the contract months of stock index futures are March, June, September and 65438+February. For example, in February 2006, the contract months of S & ampP500 index futures are March, June, September, 65438+February and March 2006, June and September, 65438+February 2007 respectively. Hong Kong Hang Seng Index futures contract months are the current month, the next month and the last two quarterly months (quarterly months refer to March, June, September and 65438+February). For example, in February 2006, the contract months of Hong Kong Hang Seng Index futures were February, March, June and September 2006.