Korea Exchange
Sole securities exchange operator of South Korea.
- MIC (ISO 10383)
- XKRX
- Country
- South Korea
- Type
- Stock exchange
- Trading currency
- KRW
- Timezone
- Asia/Seoul
- Operator
- KRX
- Operator LEI
- 549300TJ3RRV6Q1UEW14 (GLEIF)
Trading session local time · Asia/Seoul
Session hours and the settlement cycle are compiled by Finance Foundation from the venue’s own published trading calendar. These are exact and change-prone — an extended session or a moved auction dates a figure like this quickly — so each row below carries what two independently maintained open calendars say about the same venue. Verify against the exchange before relying on any of it operationally. Sources.
Two independently maintained open calendars return the same hours as we hold. They also record a 12:00-13:00 break that this venue abolished on 2000-05-22 — worth knowing if you meet it in older data. Cross-check from exchange_calendars (Apache 2.0) and pandas_market_calendars (MIT); neither endorses this site.
- Regular session
- 09:00–15:30
- Lunch break
- none
- Settlement cycle
- T+2
Ownership
- Operating entity
- 한국거래소 KR
549300TJ3RRV6Q1UEW14
Not the name this venue trades under. KRX is the group; the entity above is the one the ISO 10383 registry binds XKRX to, and the one that legally runs this market. - Ultimate owner
- None above it — 한국거래소 is the top of its own ownership chain.
GLEIF records no parent for this entity (NO_KNOWN_PERSON), so the operator is itself the top of the tree - Owner listed
- No. Demutualised but never listed: its shareholders are the securities firms that trade on it. A listing has been discussed for years without happening.
Clearing and settlement
| Institution | Role | LEI |
|---|---|---|
| Korea Securities Depository | Central securities depository | 9884008RRMX1X5HV6625 |
These are separate legal entities from the venue operator above, each with its own LEI — a distinction the ISO 10383 registry itself gets wrong for two venues in this dataset, where it records the depository's or the clearing house's code against the exchange. The full layer.
Segment MICs 3 venues under XKRX
| MIC | Segment / venue |
|---|---|
| XKOS | Korea Exchange - KOSDAQ |
| XKON | Korea New Exchange (KONEX) |
| XKFE | Korea Exchange - Futures Market |
Operating MIC vs segment MIC per ISO 10383: the operating code identifies the exchange, segment codes identify its individual order books, growth markets and derivatives venues. Every code was checked line by line against the official ISO 10383 registry file (SWIFT is the registration authority) — codes that were expired or belonged to a separate operating venue were rejected.
Assets tied to this venue
KOSPI Composite Index calculated on
Covered assets whose relationship to this venue is recorded in the dataset — an index calculated on it, or a contract listed on it. Companies listed here are in the table above; this is the non-equity side.
Benchmark indices
KOSPI · KOSPI 200 · KOSDAQ Composite
1 of these 3 are covered as assets here and link through; the rest are named because the venue publishes them, not because we track them. A linked index is a real relationship in the dataset, not a name that happened to match.
Top companies by market cap covered set · 2
| Company | Ticker | Sector | Mkt cap ≈ |
|---|---|---|---|
| Samsung ElectronicsElectronics & Semiconductors | 005930 | Technology | $1.2tn |
| SK HynixMemory semiconductors (DRAM, NAND, HBM) | 000660 | Technology | $878.5bn |
Approximate reference values from public sources · seed-0.7 · marketcap-1 · 2026-08-30 · not real-time. See data & methodology.
JSONCSV No key, CORS enabled — paste any of these straight into a notebook.