The center line refers to the reference line on the time-sharing chart, indicating the relative deviation degree of the price on that day. When the price is above the midline, it means that the price deviates from the high side; When the price is lower than the midline, it means that the price deviation is low.

Different trading platforms and software may have different settings and display methods. Therefore, the specific reference line setting may be different for different trading platforms. If you use a specific trading platform or software, please consult its user manual or contact the customer service of the platform to confirm the specific setting method of the center line.