How to check the US stock option commission fee standard on the App:
The following varieties and fee currencies are all in US dollars
On the app, click on any option [Trade] page in the upper right corner of the three small dots will jump to the fee center. Click on US stock options in the fee center to view the detailed fee standard for various US stock option commissions.

How to check the US stock option commission fee standard on the Web:
The following varieties and fee currencies are all in US dollars
1. Click [More] - [Fee Center] at the top of the webpage

2. Click [Stocks] - [US Stock Options] to view the US stock option commission fee standard
