Crude oil rebounded slightly and fell again. The idea is to place an empty order at the resistance position of 83-83.2. Friends who read the article may not necessarily wait for the point, but members and friends have kept up. When there is a short signal, decisively enter the market with an empty order. The current price is around 81.3 You can go up a little bit first. This is the difference between the idea of the article and the specific entry. The support resistance is that area. The specific entry depends on the real-time changes in the market. When there is a signal, you can enter the market at 81.0-81.3. Strategy 81.0-81.3 enter long 82.0-82.2 take profit or enter decline