KOSPI 200 Index (KOS200)

Reuters  Nov 17  Comment 
* KOSPI rebounds as traders look beyond Paris effects * Caution remains over U.S. Fed policy, global economy By Yeonsoo Kwak SEOUL, Nov 17 (Reuters) - South Korean shares and the won rebounded early on Tuesday from the previous session's selloff...
The Economic Times  Nov 10  Comment 
Korea Composite Stock Price Index (KOSPI) was down 1.1 per cent at 2,002.66 points at 0235 GMT. Losing shares outnumbered gainers by 5-to-1.
The Economic Times  Nov 6  Comment 
The Korea Composite Stock Price Index (KOSPI) edged 0.4 per cent lower to 2,041.07 points. On a weekly basis, the KOSPI gained 0.6 per cent.
The Economic Times  Nov 5  Comment 
The Korea Composite Stock Price Index (KOSPI) trimmed early losses and closed down 0.2 per cent at 2,049.42 points.
The Economic Times  Nov 2  Comment 
KOSPI finished up 0.3 per cent at 2,035.24 points. It had fallen a combined 0.9 per cent over the past four losing sessions.
Mondo Visione  Oct 29  Comment 
Korea Exchange (KRX) has decided to exempt the trading fee and clearing fee for Mini KOSPI 200 futures and options trading for 2 months from November 2 to December 30, 2015.  On October 22, KRX has held a meeting regarding the fee exemption of...
The Economic Times  Oct 16  Comment 
Korea Composite Stock Price Index (KOSPI) was quoted at 2,031.58 points as of 0218 GMT, barely changed from the previous close of 2,033.27 points.
The Economic Times  Oct 8  Comment 
Foreigners were set to be net buyers for a third consecutive session, purchasing a net 100.2 billion won($86.33 million) of KOSPI shares by midday.
The Economic Times  Sep 30  Comment 
Korea Composite Stock Price Index (KOSPI) ended up 1 per cent to 1,962.91 points after falling as much as 1.4 per cent early in the session.
The Economic Times  Sep 17  Comment 
The Korea Composite Stock Price Index (KOSPI) closed at 1,976.49 points, barely changed from the previous close at 1,975.45 points.


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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