The Colombo Stock Exchange (CSE) (Sinhala: කොළඹ කොටස් වෙළඳපොල, romanized: Kolamba kotas velandapola; Tamil: கொழும்பு பங்கு பரிவர்த்தனை) is the main stock exchange in Sri Lanka. It is one of the exchanges in South Asia, providing an electronic trading platform.