Tong Daxin's stock selection formula is sometimes wrong?

Tong Daxin's stock selection formula needs to download historical data. Click the main interface-System-After-hours Data Download-. It is best to set the time for the first download, starting from 1990 65438+ 10/month 1 until the closing interval of the day. You can only download the minutes chart of Shanghai and Shenzhen in the last three months. Practice shows that:

1, every opening trading day between 8: 50 and 9: 30, formula stock selection will fail, no matter what formula stock selection, the selection result is 0, so avoid this time period.

2. Incomplete historical data and incomplete stock selection results.

3. Sometimes other programs occupy computer resources, which may also lead to stock selection failure.

4. After the stock selection fails, if there is no problem with the historical data and no other programs occupy resources, close the software, reopen the software, and conduct stock selection again.

If you have any questions, please contact the communication platform for consultation, subject to the official reply. If you want to know about Ping An Securities, please call Ping An Securities at 955 1 1-8 for detailed consultation.

Tips:

1. The above contents are for reference only and do not make any suggestions;

2. Before investing, it is recommended that you first understand the risks existing in the project and have a clear understanding of the investors, investment institutions, chain activity and other information of the project, instead of blindly investing or straying into the capital market. Investment is risky, so be cautious when entering the market.

Reply time: 2021-11-24. Please refer to the latest business changes announced by Ping An Bank in official website.