KOSPI Foreign Net Buy

Foreign investors' net buying on the KOSPI, purchases minus sales. It responds quickly to the exchange rate and global fund flows, and it is the single biggest swing factor in large-cap supply and demand.

Latest

632.0 bn KRW

-1,921 bn KRW

Date2026-09-08

History2026-01-15–2026-09-08

Observations155

KRX

At a glance

KOSPI Foreign Net Buy: latest value and prior change

As of 2026-09-08, KOSPI Foreign Net Buy is 632.0 bn KRW. It is 1,921 bn KRW lower than 2,553 bn KRW on 2026-09-07.

Across 155 available observations from 2026-01-15 to 2026-09-08, the latest value is at the tie-adjusted 80th percentile.

Observed on: 2026-09-08
Default comparison window: 2026-01-15–2026-09-08
Observations · observed cadence: 155 · 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 Foreign Net Buy

2026-01-15–2026-09-08

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 Foreign Net Buy · bn KRW
Observed	Value	Previous date	Difference (current − previous)
2026-09-08	632.0 bn KRW	2026-09-07	-1,921 bn KRW
2026-09-07	2,553 bn KRW	2026-09-04	2,073 bn KRW
2026-09-04	480.0 bn KRW	2026-09-03	439.0 bn KRW
2026-09-03	41.00 bn KRW	2026-09-02	1,958 bn KRW
2026-09-02	-1,917 bn KRW	2026-09-01	-1,420 bn KRW
2026-09-01	-497.0 bn KRW	2026-08-31	146.0 bn KRW
2026-08-31	-643.0 bn KRW	2026-08-28	209.0 bn KRW
2026-08-28	-852.0 bn KRW	2026-08-27	-985.0 bn KRW
2026-08-27	133.0 bn KRW	2026-08-26	248.0 bn KRW
2026-08-26	-115.0 bn KRW	2026-08-25	3,699 bn KRW

Source: KRX

Interpretation guide

How to read foreign net buying in KOSPI

Foreign net buying shows whether overseas investors are net buyers or sellers of KOSPI stocks. Because Korean large caps are sensitive to FX and global risk appetite, this flow is a key support signal for index direction and confidence.

What it means

Foreign net buying means global capital is increasing Korean equity exposure. Persistent net selling often points to pressure from FX, earnings concerns, or broader risk-off behavior.

Several consecutive sessions of buying matter more than one isolated day.
Foreign buying with a stable won improves the large-cap flow backdrop.
Foreign selling with a rising USD/KRW rate warns of outflow pressure.

Interpretation rules

Daily flows are noisy, so cumulative direction and index response matter. If foreigners buy but the index does not rise, another seller group or sector mismatch may be offsetting the demand.

A 5-10 session cumulative flow turning positive is an early improvement signal.
Foreign buying alongside index gains increases trend confidence.
If the index is weak despite buying, check institutions, semiconductors, and FX pressure.

How to respond

Foreign-flow data is most useful for sizing KOSPI large-cap and FX-sensitive exposure. Do not chase a single stock only because foreign investors bought the market.

When foreign buying and breadth improve together, large-cap candidates deserve priority review.
During persistent foreign selling, treat high-beta and FX-sensitive large caps more conservatively.
Early flow turns should be confirmed with trading value and sector participation.

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