1. In the stock market, Dazhuang generally refers to a banker with a relatively large amount of funds. Banker refers to the main force in the financial and securities markets, and generally refers to investors who influence many gold and silver coins and even the market trend, usually including bankers and speculators.

2. Bankers refer to large investors who can influence the financial securities market. It usually accounts for more than 50% of the circulation, and sometimes the control power of dealers may not reach 50%. Depending on the variety, generally 10% to 30% can control the market. Because of the huge volume of transactions and funds, there are few makers in the futures market.