Even if the market is developing in one direction and you only buy or sell once, when you close your position, you have to sell or buy back in the opposite direction.
The domestic futures market has also experienced excessive speculation, but these management departments are constantly improving. For example, a "fuse" mechanism allows you to speculate in the China market, but it will not allow you to speculate excessively.
Download address of MT4 trading platform in gold futures market: www.5cfg.info