1, don't guess the price level: for example, when a futures has reached the top price or the bottom price, it is very dangerous to take the opposite operation of the market at this time.

2. Pay attention to the breakthrough point of the K-line: If the price trend has broken through the previous trend and this trend can last for 2-3 days, then this is usually a good sign. The breakthrough of the downward trend is to tell everyone to buy, and to fall below the upward track is to sell.

3. Observe the trading volume: when the trading volume rises together with the price, it is a long-term performance. However, the increase in trading volume and the decline in prices really mean that the bulls are out.

4. Buy and sell when the price breaks through the previous week: for example, you can buy when the market breaks through the highest point of the week and sell when it breaks through the lowest point.