What are the types of secondary markets?

There are two types of secondary markets – stock exchanges and over-the-counter markets. Stock exchanges are centralised platforms where securities trading takes place, without any contact between the buyer and the seller. National Stock Exchange (NSE) and Bombay Stock Exchange (BSE) are examples of such platforms used widely for buying and selling online . Over-the-counter markets are decentralised markets where two parties trade directly without the presence of an intermediary.