[2] The CSE trades 296 companies representing 20 business sectors, as of 25 January 2021,[update] with a combined market capitalization of 3,699 billion Sri Lankan rupees.

[3][full citation needed] The Milanka Price Index (MPI) of the CSE's 25 best-performing stocks was introduced in 1999.

Several regional CSE branches were opened within the country, at Kandy, Jaffna, Ambalantota, Matara, Kurunegala, Anuradhapura and Ratnapura.

After mediocre performance throughout the 1990s mainly due to the Sri Lankan Civil War, the ceasefire agreement signed in 2001 saw unprecedented growth in both indices of the CSE.

[12] CSE transferred nine traded companies to their Watch List[clarification needed] with effect from 7 June 2018 due to their failure to submit quarterly financial statements.[13][relevant?]

According to a CSE statement, Scandinavian countries have collectively invested රු.8.2 billion in local equities year-to-date, which amounted to 23 percent of the total foreign purchases during the period.

[14][15] The National Stock Exchange (NSE) and the CSE signed an agreement to explore opportunities to work together and foster a strategic relationship.

[16] The CSE launched a guide to help listed Sri Lankan companies address environmental, social and corporate governance (ESG) factors in their capital market communications.

[citation needed] SAFE consists of 17 exchanges from India, Pakistan, Bangladesh, Sri Lanka, Nepal, and Bhutan.

[20] Companies listed on the CSE have seen a large increase in foreign investment following the conclusion of the 30-year Sri Lankan Civil War.