1, create a formula with the formula name: XXX.

2. The formula is: yesterday's average price: ref (amount/vol/ 100,1); ? {Note that the drawing method of the formula is the superposition of the main picture, not the auxiliary picture. }

3. Create a new formula with the name of yesterday's average price.

4. The formula is: yesterday's average price: "XXX. Yesterday's average price # day ",color 1b96 14, dot, line thickness 3; {Note that the drawing method of the formula is the superposition of the main picture, not the auxiliary picture. }

5. In the time-sharing chart interface, right-click "Select Main Chart Indicator" in the middle to find the second formula "Yesterday Average Price" and confirm.

The effect is as shown in the figure: