Open the time-sharing trading point in the APP indicator setting, and the K-line historical trading point can display the straight flush trading point, but you need to log in to the trading account.

On the K-line chart and historical time-sharing chart, B stands for buying, S stands for selling, and the K-line buying signal B is below the K-line, and the average buying price is less than the closing price; Line B is at the top, and the average price is greater than the closing price; S is below the K line, the average selling price is less than the closing price, and S is above the K line, and the average selling price is greater than the closing price.