Computer technology is the core of quantitative trading, which is basically divided into two points. One thing is to use computer technology to process data, such as stocks, every three seconds at the earliest, and option futures may be every half a second. If you don't have this efficient operation with the help of a computer, it is difficult for you to process these data to generate signals and trigger transactions. This is on the one hand; On the other hand, when placing an order, it is basically a computerized transaction. As soon as it can overcome the psychological emotions of traders, it is time to buy, panic, quit and forget to sell, and the computer can avoid these problems; The other computer is very efficient, and the number of times it can handle includes the frequency of transactions. If it is a high-frequency transaction, it may be several times a second, dozens of times.
Quantitative trading selects all kinds of "high probability" events that can bring excess returns from huge historical data to formulate strategies, uses quantitative models to verify and solidify these laws and strategies, and then strictly implements the solidified strategies to guide investment in order to obtain sustained, stable and above-average excess returns. Obviously, if you do quantitative trading.
Article: Introduction to Quantitative Trading