KOSPI 200 Index (KOS200)

The Economic Times  Mar 14  Comment 
The Korea Composite Stock Price Index (KOSPI) closed up 0.8 per cent at 2,133.78 points, the strongest since May 26, 2015.
SeekingAlpha  Mar 13  Comment 
The Economic Times  Mar 3  Comment 
The Korea Composite Stock Price Index (KOSPI) closed 1.1 per cent lower at 2,078.75 points, its lowest since Feb. 14.
The Economic Times  Feb 21  Comment 
The Korea Composite Stock Price Index (KOSPI) closed up 0.9 per cent at 2,102.93 points, its strongest since July 3, 2015.
The Economic Times  Jan 26  Comment 
South Korea's Kospi advanced 1 per cent, Hong Kong's Hang Seng climbed 1.3 per cent and Shanghai edged up 0.2 per cent ahead of China's week-long Lunar New Year holiday.
The Economic Times  Jan 2  Comment 
The Korea Composite Stock Price Index (KOSPI) closed at 2,026.16 points, little changed from its previous close of 2,026.46.
The Hindu Business Line  Dec 26  Comment 
South Korean shares edged up slightly in muted trading early on Monday, and indexes are expected to barely move this holiday-shortened week.The Korea Composite Stock Price Index (KOSPI) was up 0.1 pe...
Mondo Visione  Dec 2  Comment 
Successful cooperation with KRX Record volumes in KOSPI 200 Options Eurex – Europe’s largest derivatives exchange – has allowed investors in Korea’s equity benchmark KOSPI 200 Index to more easily hedge their options exposures,...
The Economic Times  Oct 31  Comment 
The Korea Composite Stock Price Index (KOSPI) closed down 0.6 per cent at 2,008.19 points, the weakest closing level since September 13, 2016.


The KOSPI 200 is the South Korean index, indicative of the top 200 stocks in the Korea Exchange. It maps over 70% of the total capitalization of the exchange and is the most liquid index for the South korean market. The KOSPI 200 was started on January 3rd, 1990 with a base value of 100[1]. The Futures and Options markets in Korea use this index to base their calculations. KOSPI 200 is updated every 2 seconds and is published by the statistical KRX publication of the Korean Exchange[2]

Weighting and Calculations

The KOSPI is calculated as follows with Current Market Capitalization (=market capitalization at the time of comparison) as the numerator and Base Market Capitalization (=market capitalization as of January 4, 1980) as the denominator.

That is:

Current index = Current total market cap of constituents × 100 / Base Market Capitalization[3]

The base market capitalization is adjusted when there is a change in the value due to rights offering, new listing, delisting, mergers, etc.

So the New Base Market Capitalization would be[4]:

Past Market Capitalization*(Current Market Cap +- change in market cap)/Current Market Cap on the day before the change.

Composition of the KOSPI 200

The top 10 stocks of the KOSPI 200, as of October 21, 2008[5] were:

Samsung A005930 16.40
POSCO (PKX) 005490 6.81
KB Financial Group 105560 3.80
Shinhan Financial Group Co (SHG) 055550 3.69
SK Telecom (SKM) 017670 3.63
KT&G 033780 2.78
LG Electronics 066570 2.58
Hyundai Motor Company (005380-SE) 005380 2.57
KEPCO 015760 2.46
HHI 009540 2.22
TK Corporation }


  1. Wikipedia
  2. KOSPI 200 summary
  3. KOSPI Calculation on the KRX
  4. Adjustment for maintaining consistency
  5. KOSPI 200 weighted index
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