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KOSPI Index

4904.66
63.92 (1.32%)
19 Jan, 2026 | 08:30 PM
As on 20 Jan 2026, the KOSPI Index is trading at 4904.66, up by 1.32% from the previous close of 4840.74. The index opened at 4829.4, touched an intraday high of 4917.37 and a low of 4827.95.

KOSPI Index Performance

Today's Low - High
4,827.95
4,917.37

Open

4829.4

Prev. Close

4840.74

KOSPI is South Korea’s primary stock market index and one of the most-watched indicators of the country’s equity market. It represents all common stocks traded on the Korea Exchange (KRX), so it is used as a broad gauge rather than a narrow snapshot of only a few large companies.

The index is built using a market-capitalisation approach, meaning larger companies usually have a greater effect on daily moves. This matters because South Korea has several globally significant firms, and their price action can influence how the overall market appears to be performing.

The Korea Composite Stock Price Index was launched in 1983 with a base value of 100, using January 4, 1980, as the reference date for that base. It is the major stock market index of South Korea, and the index represents all common stocks traded on the Korea Exchange.

A meaningful structural change occurred in 1983 when it replaced the Dow-style KCSPI (Korea Composite Stock Price Index). The newer method aligned better with the way modern markets expand, because it relies on market capitalisation rather than a price-weighted structure.

In many research reports, the benchmark is also referenced as the Kospi Index. In such contexts, the label does not change what it measures; it is simply another common way the benchmark is named on platforms and publications.

For several years, the index remained below the 1,000 mark. It breached 1,000 for the first time in April 1989, a level that is often mentioned because it reflected growing market depth and investor participation.

The index recorded its largest one-day percentage gain of 8.50 percent on June 17, 1998. Its largest one-day percentage drop was 12.02 percent on September 12, 2001, showing that global shocks can produce sharp, sudden moves.

In November 2005, its Korean name was officially changed to “Koseupi jisu.” Later, it reached another milestone by breaking the 2,000 level for the first time on July 24, 2007.

For long-range analysis, many people pull KOSPI historical data to compare periods of expansion, correction, and recovery. The most useful datasets clearly state whether they are price-only or total-return series, and they describe how corporate actions were handled.

The index uses a market capitalisation method. In practical terms, this means that companies with higher market value carry a stronger influence, so a large move in a heavyweight stock can shift the overall index even if many smaller shares do not move much.

Most index providers and exchanges maintain adjustment rules to avoid false jumps during corporate actions such as stock splits or major changes in share count.

What Typically Goes Into the Calculation

  • Market value of eligible listed common stocks

  • Shares outstanding and investability rules used by the exchange

  • Corporate action adjustments to keep the series consistent

  • Periodic reviews that update the constituent list

Calculation Elements

KOSPI and KOSDAQ cover different parts of South Korea’s listed market. As a broad observation, the first is commonly associated with larger, more established firms, while the second is often discussed in the context of smaller or growth-oriented listings.

The index includes over 700 companies across a wide set of sectors. Technology, automotive, chemicals, construction, and financials are frequently mentioned categories because they align closely with South Korea’s industrial strengths.

Technology is the largest component, led by companies such as Samsung Electronics and SK Hynix. Due to their scale, these firms can have a meaningful impact on index direction, especially around earnings seasons or major product-cycle updates.

Automotive is another important area, often represented by Hyundai and Kia. Chemicals also matter, with major names like LG Chem and Lotte Chemical frequently discussed in sector breakdowns.

The top constituents typically change gradually rather than suddenly, because size leadership in large markets tends to be persistent. Still, changes in valuation, earnings expectations, and global demand can shift rankings over time.

When readers interpret index movement, it is useful to check whether a move reflects broad participation or whether it is being driven by a small number of dominant names. This is especially relevant in markets where a few firms account for a large share of total capitalisation.

You cannot buy the index itself as a single asset. In practice, investors gain exposure either by buying a product that tracks the benchmark or by building a portfolio of underlying shares, which is usually harder to execute with precision.

Common Ways Investors Access Exposure

  • ETFs that aim to track the benchmark’s performance

  • Futures and options linked to KOSPI-related contracts

  • Direct purchase of selected constituents (less like “index investing,” more like stock selection)

Trading Routes Mentioned By Investors

Examples that are often referenced include:

  • KOSPI 200 ETF (HKOR)

  • Samsung KODEX KOSPI LargeCap ETF

  • Kyobo Axa Power K100 ETF

Factors that often influence the KOSPI live performance are -

  • Interest-rate expectations and central bank policy signals

  • Currency moves that affect exporters’ competitiveness

  • Geopolitical developments and regional risk perception

The Korean market runs on KST trading hours from 09:00 to 15:20 KST. In India, this corresponds to 05:30 to 11:50 IST. These timings matter for investors outside South Korea because major global news may arrive when the market is closed locally. As a result, the opening session can sometimes incorporate a significant amount of overnight information in a short period.

Recent performance figures help describe current conditions, but they should be treated as time-specific rather than permanent facts. Here are the reference figures you provided:

  • Change over the past 12 months: 75.63 percent

  • 52-week range: 2,284.72 to 4,226.75

For context beyond a single year, many analysts look at the Kospi history alongside inflation, interest-rate cycles, export performance, and corporate earnings trends. This reduces the risk of drawing conclusions from only a short and possibly unusual period.

Index exposure reduces reliance on a single stock, but it does not eliminate market risk. Investors should evaluate both broad risks (such as global equity sell-offs) and index-specific risks (such as heavy concentration in large constituents).

Major Risks to Consider

KOSPI remains a central benchmark for understanding South Korea’s equity market because it captures a wide set of listed common stocks and weights them in a way that reflects market size. Used carefully, it can help investors track market direction, compare performance, and structure diversified exposure.

Before investing, focus on the instrument you plan to use, how it tracks the benchmark, the fees involved, and the currency exposure you are accepting. Those practical details often decide whether index exposure works well for an investor’s specific goals.

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