The Stock Exchange of Thailand (SET) is the primary stock exchange in Thailand, established on April 30, 1975. It serves as a regulated marketplace for trading securities, playing a crucial role in mobilizing capital for the country's economic and industrial growth. SET is headquartered in Bangkok and transitioned to fully computerized trading in 1991.

SET offers a variety of trading services, including equity trading for shares of publicly listed companies, derivatives trading through its subsidiary, the Thailand Futures Exchange (TFEX), and a bond market for government and corporate bonds. The exchange also regulates digital asset trading in collaboration with the Thai Securities and Exchange Commission. Additionally, SET has enhanced accessibility for investors by introducing mobile trading platforms since 2010. It serves a diverse range of market participants, including institutional and retail investors, as well as digital asset issuers.