(1) NYSE (New York Stock Exchange)

The second largest exchange by trading volume, the New York Stock Exchange has about 2,800 companies listed there, with a global market capitalization of $15 trillion.

(2) NASDAQ (NASDAQ Stock Exchange)

It is an invisible market based on electronic network, with about 5,400 companies listed on the market, and it is the securities market with the most listed companies and the largest share trading volume in the United States. Nasdaq is the largest electronic stock market in the United States and the world.

(3) AMEX (American Stock Exchange)

It is now the third largest stock exchange in the United States. The American Stock Exchange is the only exchange that can trade stocks, options, and derivatives at the same time. It is also the only exchange that focuses on small and mid-cap companies that are often overlooked and provides a range of services to increase their visibility.

(4) PK (Pink Sheet Exchange)

The pink order trading market, which has been incorporated into NASDAQ's lowest level quotation system, is the primary quotation form of over-the-counter trading (OTC) in the United States.

(5) OTC (Over-the-Counter market, OTC market)

It is a stock market that is conducted on the counter of various securities trading institutions outside the stock exchange (that is, an asset trading network without a centralized place). The broad OTC market in the United States includes NASDAQ, OTCBB and powder market, according to the listing price requirements are: NASDAQ→OTCBB→ powder market.