KOSPI 200 Index (KOS200)

The Economic Times  Apr 21  Comment 
KOSPI closed up 0.8% at 2,022.10 points. The won was quoted at 1,132.9 to the dollar at the conclusion of onshore trade, up 0.2% compared to Wednesday's close.
Mondo Visione  Apr 20  Comment 
Eurex, one of the world’s leading derivatives exchanges and part of Deutsche Börse Group, and Korea Exchange (KRX) today signed a contract in KRX’s Seoul Office to extend their cooperation by listing Mini KOSPI 200 index futures during Eurex...
The Economic Times  Apr 20  Comment 
S .Korean shares changed course to finish lower after peaking to the highest level in 2016 early in the session.The KOSPI closed down 0.3% at 2,005.83.
The Economic Times  Apr 19  Comment 
South Korean shares wobbled later in the day after marking another high for this year early in the session. The KOSPI closed up 0.1% at 2,011.36 points.
The Economic Times  Apr 18  Comment 
The Korea Composite Stock Price Index (KOSPI) closed down 0.3 percent at 2,009.10 points. South Korean shares pared some earlier losses.
The Economic Times  Apr 12  Comment 
The Korea Composite Stock Price Index (KOSPI) was up 0.3 percent at 1,975.36 points as of 0225 GMT.
The Economic Times  Apr 8  Comment 
The Korea Composite Stock Price Index (KOSPI) closed down 0.1 percent at 1,972.05 points.
The Economic Times  Apr 6  Comment 
KOSPI closed up 0.4 percent at 1,971.32 points. Foreigners were net buyers and purchased 117.5 billion won ($101.74 million) worth of shares.
The Economic Times  Apr 5  Comment 
The Korea Composite Stock Price Index (KOSPI) fell 0.8 % to end at 1,962.74 points, its lowest close since March 9.
The Economic Times  Apr 5  Comment 
The Korea Composite Stock Price Index (KOSPI) was set to fall to a one-month low and was down 0.7% at 1,964.50 points as of 0144 GMT.


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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