KOSPI

KOSPI
KOSPI performance between 1980 and 2020
Foundation1980 (1980)
ExchangesKorea Exchange
Trading symbol^KS11
Constituents954
Market cap4,135 trillion ($2.815 trillion) (January 2026)
KOSPI
Hangul
코스피 지수
Hanja
코스피指數
RRKoseupi jisu
MRK'osŭp'i chisu

The Korea Composite Stock Price Index (KOSPI; Korean한국종합주가지수) is the index of all common stocks traded on the Stock Market Division—previously, Korea Stock Exchange—of the Korea Exchange. It is the representative stock market index of South Korea, analogous to the S&P 500 in the United States.

KOSPI was introduced in 1983 with the base value of 100 as of 4 January 1980. It is calculated based on market capitalization. As of 2007, KOSPI's daily volume is hundreds of millions of shares, valued at trillions of won.