The index overview trajectory (ENE) is composed of upper trajectory (UPWER), LOWER trajectory (LOWER) and middle trajectory (ENE). The advantage of trajectory is that it not only has the function of judging and analyzing the trend trajectory, but also can keenly perceive the direction change in the process of stock price operation. Calculation formula 1. Upper = (1+m1100) * daily simple moving average of closing price.

2. Lower bound = (1-m2/ 100) * N-day simple moving average of closing price.

3.ENE= (up+down) /2 Application rule 1. When the track line ENE runs slowly downward, if the stock price falls below the lower track and rises again soon after crossing the lower track, you can buy it.

2. When the track line ENE moves slowly upward, if the stock price falls to the LOWER track near LOWER and then resumes the rising market, it can be bought even if it does not break through LOWER.

3. When the track line ENE moves slowly upward, if the stock price rises and flows upward through the upper rail, and then turns around in China and flows downward through the upper rail, it can be sold.

4. When the track line runs slowly downward, if the stock price rises near the rising line of the upper track, it will turn around and fall. At this point, even if the stock price does not touch the upwelling of the upper rail, it can be sold.

5. Track lines can accurately prompt buying and selling signals in stable and fluctuating band markets, but the skills are completely different when the stock price rises unilaterally or falls unilaterally. Even the opposite. When the stock market is in the process of rapid rise, it is necessary to buy the opportunity when the stock price breaks through the upward trajectory; When the stock market is in a bear market and the stock price is in the process of rapid decline, the stock price will be sold if it falls below the lower track.