If someone doesn't understand, then I'll share with you the grid strategy I recently developed. The video is about two days of grid development, with detailed settings for reference. You can learn and play on your own, and there should be simulated warehouses to experience. If you don't understand, you can communicate in the group at 733794690. This is just a three legged cat skill, but I think it's suitable for the current market to play strategies. Please don't invest too much Those who want to follow the strategy can search for Alvinnn111 on Ouyi, and search for the hidden Alvin on the contract