KOSPI Index

The market-cap weighted composite index of every stock on the Korea Exchange main board. Large semiconductor names dominate the weighting, so the index tracks export conditions and foreign flows closely.

Latest

6,955 pt

-40.87 pt

Date2026-09-08

History1990-07-11–2026-09-08

Observations9,203

KRX

At a glance

KOSPI Index: latest value and prior change

As of 2026-09-08, KOSPI Index is 6,955 pt. It is 40.87 pt lower than 6,995 pt on 2026-09-07.

Within the default comparison window of 1,000 observations from 2022-08-04 to 2026-09-08, the latest value is at the tie-adjusted 95th percentile. Available history covers 1990-07-11 to 2026-09-08 with 9,203 observations.

Observed on: 2026-09-08
Default comparison window: 2022-08-04–2026-09-08
Observations · observed cadence: 1,000 · Daily
Data source: KRX

A high or low percentile does not by itself make the indicator positive, negative, or a buy or sell signal.

Time-series chart

KOSPI Index

1990-07-11–2026-09-08

Long-history series are stored as real provider observations. Index, FX, VIX, and ratio charts use historical backfill where providers expose it; Korean investor flow and margin-credit feeds expand as stable historical endpoints become available.

Recent observations and calculated changes

The ten latest chart observations. Change subtracts the previous observation; intervals vary with holidays, release schedules and missing data. A difference in rates or ratios is not an investment return.

KOSPI Index · pt
Observed	Value	Previous date	Difference (current − previous)
2026-09-08	6,955 pt	2026-09-07	-40.87 pt
2026-09-07	6,995 pt	2026-09-04	308.2 pt
2026-09-04	6,687 pt	2026-09-03	107.7 pt
2026-09-03	6,579 pt	2026-09-02	16.76 pt
2026-09-02	6,563 pt	2026-09-01	-273.1 pt
2026-09-01	6,836 pt	2026-08-31	15.78 pt
2026-08-31	6,820 pt	2026-08-28	31.14 pt
2026-08-28	6,789 pt	2026-08-27	-123.5 pt
2026-08-27	6,912 pt	2026-08-26	104.2 pt
2026-08-26	6,808 pt	2026-08-25	65.47 pt

Source: KRX

Interpretation guide

Reading the KOSPI through its flow structure

The KOSPI is a market-cap weighted index of all companies listed on the KRX main board, based at 100 on January 4, 1980. Because mega-cap semiconductors dominate the weighting, the index often tells you more about Samsung Electronics, SK Hynix, and foreign capital flows than about the average Korean stock.

What the construction implies

Cap weighting means a handful of names can move the whole index. When the two largest semiconductor stocks approach a quarter of total weight, an index rally is not proof of broad market strength.

On up days, compare advancers versus decliners to separate broad strength from concentration.
When Samsung Electronics and SK Hynix diverge from the index, the rest of the market is showing its true condition.
A split between KOSPI and KOSDAQ direction signals that large-cap flows and retail risk appetite have decoupled.

Foreign flows and the won

Foreign investors hold a large share of KOSPI market cap, so the index is sensitive to emerging-market allocation shifts and the direction of the won. In won-weakness phases, currency-driven foreign selling often caps the index.

A resilient KOSPI against a rising USD/KRW suggests domestic flows are absorbing foreign supply.
Rallies backed by both foreign net buying and won strength tend to be more durable than purely domestic ones.
The U.S. semiconductor cycle and the NASDAQ Composite are useful leading references for KOSPI heavyweight flows.

Common misreads and a checking order

Treating an index level as cheap or expensive on its own is the most common mistake. The same 2,500 print can describe very different markets depending on earnings, FX, and leverage conditions.

Before judging the index, check USD/KRW, the VIX Index, and KOSPI margin credit in that order.
Around short-selling rule changes or dividend record dates, suspect flow distortion first.
On sharp down days, identify whether large caps led or small caps were dumped before reacting.

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