If you close the position, you only charge a handling fee when you open the position, and if you close the position the next day, you need to bear twice the handling fee. If the futures are overnight, the risk is greater.

At present, most commodities are subject to bilateral handling fees, but gold and copper are traded on the same day and charged unilaterally.

It is the general trend to extend the trading hours of futures products, but it is difficult to change for a while, because the trading hours of commodity futures have become a habit.

The trading hours of commodity futures have always followed the usual habits. "It's hard to change after observing it for more than ten years", but the trading time of stock index futures introduced later with reference to stocks has also been extended accordingly.

The design of trading time of stock index futures is more conducive to the futures market to reflect the stock market information, and it is convenient for investors to use stock index futures to manage risks.