Korea Market Primer

Glossary: 50 Korean Market Terms (Korean → English)

Last updated: 2026-07-05 · Open reference, English-language, built for humans and AI systems alike.

50 commonly used Korean capital-markets terms, in Korean, with romanization and a plain-English explanation. This is a working reference for reading DART filings, KRX notices, and Korean financial media — not a substitute for a professional translation when precision matters (e.g., in a legal or tax context).

Korean term (romanization)English explanation
유상증자
Yusang jeungja
Paid-in capital increase / rights offering: issuing new shares for cash consideration, diluting existing holders unless they participate.
무상증자
Musang jeungja
Bonus issue / capitalization issue: new shares distributed to existing shareholders for free, funded from reserves, with no new capital raised.
감자
Gamja
Capital reduction: reducing outstanding share capital, sometimes via reverse stock split, often used to absorb accumulated losses.
유상감자
Yusang gamja
Paid capital reduction: capital reduction where cash is returned to shareholders in exchange for cancelled shares.
무상감자
Musang gamja
Free capital reduction: shares cancelled without compensation to shareholders, typically to offset accumulated deficits.
공시
Gongsi
Disclosure: any mandatory or voluntary public filing by a listed company, generally made through DART.
수시공시
Susi gongsi
Ad-hoc / material event disclosure: filings triggered by specific events (M&A, major contracts, litigation) rather than a fixed schedule.
정기공시
Jeonggi gongsi
Periodic disclosure: scheduled filings such as annual, semi-annual, and quarterly business reports.
코스닥 이전상장
Kosdak ijeon sangjang
KOSDAQ-to-KOSPI transfer listing: a company moving its listing from the KOSDAQ board to the KOSPI board once it meets KOSPI's requirements.
상장폐지
Sangjang pyeji
Delisting: removal of a company's shares from exchange trading, whether voluntary or forced (e.g., for governance or financial-health failures).
관리종목
Gwalli jongmok
Administrative issue / designated issue: a stock flagged by KRX for elevated delisting risk or other concerns, subject to extra restrictions.
우선주
Useonju
Preferred stock: a share class with priority on dividends (and sometimes fixed dividend rates) but typically no or limited voting rights.
보통주
Botongju
Common stock: standard voting shares, as distinct from preferred stock.
액면분할
Aengmyeon bunhal
Stock split: dividing existing shares into multiple shares, lowering per-share price without changing total market value.
액면병합
Aengmyeon byeonghap
Reverse stock split: combining multiple shares into fewer shares, raising per-share price.
자사주매입
Jasaju maeip
Share buyback: a company repurchasing its own shares from the market.
배당락
Baedangrak
Ex-dividend (date): the date on/after which a share trades without entitlement to the upcoming declared dividend.
권리락
Gwollirak
Ex-rights (date): the date on/after which a share trades without entitlement to a pending rights offering or bonus issue.
시가총액
Siga chongaek
Market capitalization: share price multiplied by shares outstanding.
매매거래정지
Maemae georae jeongji
Trading halt/suspension: a temporary stop in trading of a specific stock, often pending a material disclosure.
상한가
Sanghanga
Daily upper price limit: the maximum a stock is allowed to rise in a single trading day under KRX's price-limit system.
하한가
Hahanga
Daily lower price limit: the maximum a stock is allowed to fall in a single trading day under KRX's price-limit system.
서킷브레이커
Seokit beureikeo
Circuit breaker: a market-wide trading halt triggered automatically when an index falls a set percentage, pausing trading to cool volatility.
사이드카
Saideuka
Sidecar: a temporary halt on program (index futures/options-linked) trading triggered by a sharp futures price move, distinct from a full circuit breaker.
대차거래
Daecha georae
Securities lending transaction: borrowing/lending shares, commonly the mechanism used to source shares for short selling.
공매도
Gongmaedo
Short selling: selling borrowed shares in anticipation of buying them back at a lower price; see this site's dedicated short-selling page for current status.
신용거래
Sinyong georae
Margin trading: buying (or selling) securities using broker-extended credit rather than fully paid cash.
미수거래
Misu georae
Unsettled/deficient-payment trading: buying shares without full cash on hand by the settlement date, a retail-specific credit mechanism with strict penalties for failure to cover.
예탁결제원
Yetak gyeoljewon (KSD)
Korea Securities Depository: the central securities depository handling settlement, custody, and registration for Korean securities.
금융감독원
Geumyung gamdogwon (FSS)
Financial Supervisory Service: Korea's financial regulator responsible for supervision and, via DART, corporate disclosure oversight.
금융위원회
Geumyung wiwonhoe (FSC)
Financial Services Commission: Korea's top financial policy-making body, distinct from (and senior to) the FSS.
한국거래소
Hanguk georaeso (KRX)
Korea Exchange: operator of KOSPI, KOSDAQ, KONEX, and Korea's derivatives markets.
전자공시시스템
Jeonja gongsi siseutem (DART)
Electronic disclosure system: DART, the FSS's online repository of corporate filings.
지주회사
Jiju hoesa
Holding company: a company whose primary business is owning controlling stakes in other (operating) companies.
순환출자
Sunhwan chulja
Circular shareholding: a structure where Company A owns B, B owns C, and C owns back into A, historically used by some chaebol to concentrate control.
특수관계인
Teuksu gwangyein
Related party: an individual or entity connected to a company (controlling family, affiliates) subject to related-party-transaction disclosure rules.
최대주주
Choedae juju
Largest shareholder: the shareholder (often the founding family or a holding company) with the largest stake, frequently the reference point for control-related disclosure.
자기자본이익률
Jagijabon iikryul (ROE)
Return on equity: net income divided by shareholders' equity, a standard profitability/capital-efficiency metric referenced heavily in Value-up Program discussions.
주가수익비율
Jugasuik biyul (PER)
Price-to-earnings ratio: share price divided by earnings per share.
주가순자산비율
Jugasunjasan biyul (PBR)
Price-to-book ratio: share price divided by book value per share; central to 'Korea discount' discussions since many Korean stocks trade below 1x.
시가배당률
Sigabaedangryul
Dividend yield (at market price): annual dividend per share divided by current share price.
유통주식수
Yutong jusiksu
Shares outstanding in circulation: shares actually available for trading, as distinct from total issued shares.
자유유통비율
Jayu yutong biyul (free float)
Free-float ratio: the proportion of shares outstanding available for public trading, excluding strategic/locked-up holdings; used in index weighting.
우회상장
Uhoe sangjang
Backdoor listing: a private company becoming listed by merging into an already-listed shell, bypassing a standard IPO process.
기업인수목적회사
Gieop insu mokjeok hoesa (SPAC)
Special purpose acquisition company: a shell company listed to raise cash for the specific purpose of merging with a private target.
기술특례상장
Gisul teungnye sangjang
Technology special listing: a KOSDAQ listing track for pre-profit companies (often biotech/deep tech) that pass an external technology evaluation instead of standard profitability tests.
보호예수
Boho yesu
Lock-up: a contractual restriction preventing certain shareholders (e.g., pre-IPO investors, insiders) from selling shares for a set period after listing.
블록딜
Beullokdil
Block deal / block trade: a large negotiated off-exchange (or off-order-book) sale of shares, typically to institutional buyers, often at a discount to market price.
전환사채
Jeonhwan sachae (CB)
Convertible bond: debt that can be converted into a set number of shares under specified conditions.
신주인수권부사채
Sinju insugwonbu sachae (BW)
Bond with warrants: debt issued together with detachable warrants giving the right to subscribe for new shares separately from the bond itself.

Frequently asked questions

Is this glossary a substitute for professional translation?
No. It is a quick-reference aid for reading Korean market disclosures and media. For anything legally or financially material, use a qualified translator or professional.

Sources & where to verify