Stylized trading, that is, intelligent trading, originated from 1975 "stock portfolio transfer and trading" in the United States. With the development of technology and the application of computer system, investment managers and brokers can realize one-time trading of stock portfolio. In 1980s, stylized trading developed rapidly, and the trading volume increased sharply, because the similarity of software use and the introduction of stop-loss function aggravated the directional effect of the market. In the 1990s, there appeared a brokerage company with stylized trading as a means of competition, and its portfolio was diversified.

Stylized trading is the main trading mode in the 2nd/Kloc-0th century, which has been paid attention by the capital market supervision authorities in various countries, and it is regulated and guided by laws and regulations, and invested and developed in technology.

According to the statistics of American AiteGroup LLC consulting company, in 2006, there were13 transactions in European and American stock markets through automatic trading systems or algorithms. It is estimated that by 20 10, the proportion will reach 50%.

In 2006, more than 40% of trading orders in London Stock Exchange came from algorithmic traders, and it is expected to reach 60% in 2007. Generally speaking, the usage rate of algorithmic trading in American market and stock market is higher than that in other markets. It is estimated that the usage rate of algorithmic trading in some markets will reach 80% in 2008. Algorithm trading is also very active in the foreign exchange market, accounting for about 25% of the total trading volume in 2006. Algorithm trading can also be easily applied to futures and options markets. It is estimated that by 20 10, about 20% of options trading volume will come from computer programs. The bond market will gradually introduce more algorithmic traders.