Not sure. Bollinger Band is a commonly used technical analysis index to judge the fluctuation and trend of stock price. The bollinger band indicator may be provided in the trading software of Ping An Securities, but whether or not it is provided and how to use it may be different due to different versions and settings. If you can't find the bollinger band index in the trading software of Ping An Securities, you can try to find or consult the customer service staff of Ping An Securities in the software settings to get more detailed information and help. At the same time, it should be noted that the bollinger band index is only a reference tool and cannot be used as a basis for stock investment decisions alone. Need to combine other indicators and fundamental analysis to make a comprehensive judgment.