Market maker refers to an independent securities business legal person with certain strength and credibility as a chartered dealer in the securities market, constantly quoting the buying and selling price of a certain securities to public investors (that is, two-way quotation), accepting the buying and selling requirements of public investors at this price, and trading securities with investors with their own funds and securities. Buyers and sellers do not need to wait for the counterparty to appear, as long as a market maker comes forward to undertake the counterparty, a transaction can be reached.
Market makers maintain market liquidity through the market-making system and meet the investment needs of public investors. Market makers compensate the cost of providing services through appropriate bid-ask spreads and realize certain profits.