It should be emphasized that the indicators of long and short lines, like the moving average, are suitable for use on the K-line, and the parameters can be defaulted.
The white DKX line is the fast line and the yellow K line is the slow line.
Like all technical indicators of trends or shocks, its most basic usage is golden fork and dead fork; The faster you wear the slow line, the golden fork, that is, the buy signal, and the faster you wear the slow line, the dead fork, that is, the sell signal.