Tongda letter can only simulate a simulated account without binding a trading account, and only open a Tongda letter. You can bind the stock trading account opened by an individual to the communication software and then make a firm sale, so you need to pay attention to the risks.

Tongda letter software is a multi-functional securities information platform, which allows users to divide the screen freely and specify the content corresponding to each block.

How to set the custom comprehensive stock selection as an early warning condition? The early warning device adopts conditional stock selection formula. Press Ctrl+F key formula manager, click: Conditional stock selection formula, and click: New in the upper right corner. You can edit the required conditional stock selection formula and put it into the early warning device.