In theory, all the monthly investment transactions by compiling computer programs can be called quantification, and high-frequency transactions also profit from small price changes by compiling transaction models. Therefore, high-frequency transactions are also quantitative transactions, and they are inclusive relationships.

There are many technical methods of quantitative trading, which are widely used in the fields of investment variety selection, investment opportunity selection, stock index futures arbitrage, commodity futures arbitrage, statistical arbitrage and algorithmic trading.