The Stock Exchange of Thailand (), or SET, is the only stock exchange in Thailand. Founded on 30 April 1975, it is ASEAN’s 2nd largest after Singapore and the world's 25th by market capitalization at (both SET and mai) as of 22 October 2022. From 2015 to June 2020 it was the biggest IPO market in Southeast Asia in terms of accumulated raised fund at USD 17.8 billion (THB 598.0147 billion). It is also the region’s most active bourse for 10 consecutive years with daily trading turnover normally exceeding USD 2 billion. In recent years, the number of market participants has risen sharply: trading accounts has increased almost 10 times from 2008 to 2022. Based on the number of investors, about 3% of people in Thailand participate in the stock market. SET index is the oldest and the most cited equity index in Thailand. It made intraday all-time high at 1852.51 on 27 February 2018, surpassing the previous high of 1789.16 on 5 January 1994. SET has stricter price regulations than some other exchanges, normally disallowing stock prices to rise or drop more than 30% in a day. Overview The exchange has 2 markets for listed companies: SET and mai (Market for Alternative Investment) the latter of which is for small and medium enterprises. There are 818 listed companies as of 22 February 2023: 614 companies on the main exchange and 204 on mai. Apart from common stocks, investors can trade other types of securities including warrant, derivative warrant (DW), depositary receipt (DR), exchange-traded fund (ETF), property fund (PF)/ real estate investment trust (REIT) and infrastructure fund. The exchange also runs a separate market for derivatives. As of August 2021, the Thai bourse attracted investors from 124 countries, up from 116 the previous year. The top ten nationalities’ holdings of Thai stocks amounted to US$147.5 billion (THB 4.77 trillion), accounting for 93.7 percent of all foreign stock ownership. The rank of the first seven nationalities remained unchanged from the previous year: the UK, Singapore, Hong Kong, Switzerland, the US, Japan and Mauritius. There has been growing interest in overseas investment among domestic investors. The US, China (including Hong Kong) and Vietnam are among the most popular, followed by Europe and India. Currently, the exchange has no foreign listing but ones can invest overseas by buying DR (depository receipt) which has been launched since 2018 as well as ETF. To attract