How to set the rise and fall colors on the App:
On the 【Market】 page, tap any stock to enter the stock chart page. Then, tap the 【Settings】 button at the bottom left of the chart, and select the 【Rise and Fall Preferences】 option. You can customize the rise and fall colors according to your personal preference.

How to set the rise and fall colors on the Web:
Open the official website, click 【Trade】 at the top left - 【US Stocks】, select any stock, then click the settings icon at the top right of the trading page to set the rise and fall colors.
