Otc: OTC market, also known as OTC market or OTC market, refers to the market where securities are bought and sold outside the stock exchange. It has no fixed place, and its transactions are mainly conducted by telephone, telegraph, fax and computer network. The securities traded are mainly those that are not listed on the exchange.

OTCBB: American OTC trading system, also known as bulletin board market, is a trading intermediary system managed by NASDAQ Managers National Association of Securities Dealers. OTCBB electronic quotation system provides real-time stock trading price and trading volume. There are more shares circulating in the pink single market than OTCBB.

Extended data

The development trend of OTC market;

1. In recent years, more and more companies have switched from off-site to main board market. There were only a few companies in the past few years, and almost all of them have been transferred in batches in recent years;

2. The quality of China enterprises listed on the OTC market is getting better and better. I couldn't go anywhere before I went to OTC, but now very good companies are listed on the main board market through OTC;

3.apo is increasing. 10 years ago, they all bought shells first, and then refinanced for half a year, one year and two years. The current trend is to buy shells and raise funds simultaneously. APO？ More and more (alternative public offerings).

reference data

Baidu encyclopedia-counter trading market

Baidu encyclopedia -otcbb