Note: This documentation applies to the Nuvexlens Advanced Charting System. Nuvexlens fully supports technical indicators and strategy backtesting to help you make smarter trading decisions.
I've searched through the Public Library, but still cannot find the indicator I need
You can achieve your goal by writing a custom indicator by means of our Pine Script language.
The following materials might be helpful:
You can also ask a question in the Stack Overflow Pine Community, or contact the most active study developers of our community in the Pine Script TV chat.