Although there are hundreds of indicators for technical analysis, in the end, the most basic ones are price and volume, and other indicators are just variations or extensions of these two indicators.
Quantitative trading refers to a securities investment method that uses modern statistics and mathematical methods and computer technology to conduct trading, which greatly reduces the impact of investor sentiment fluctuations and avoids making irrational investment decisions under extreme fanaticism or pessimism in the market.
An etf is the abbreviation for an exchange-traded open-ended index fund, often referred to as an exchange-traded fund, which is an open-ended fund with variable shares traded on an exchange.