Securities Law in South Korea

Introduction

South Korean securities law is governed by the Financial Investment Services and Capital Markets Act (FISCMA, 자본시장과 금융투자업에 관한 법률, 2007) . FISCMA consolidated and modernized previously fragmented securities, futures, and asset management regulations. The Korea Exchange (KRX) operates the securities market, while the Financial Services Commission (FSC) and Financial Supervisory Service (FSS) provide regulation and enforcement.

Financial Investment Services and Capital Markets Act (FISCMA)

FISCMA, effective 2009, is the comprehensive capital market statute. Key features include:

Scope and Definitions

FISCMA defines financial investment instruments broadly to include securities, derivatives, and structured products. It classifies financial investment businesses into investment dealing, investment brokerage, collective investment, investment advisory, discretionary investment, and trust business.

Investor Protection

  • Privity of disclosure: Financial investment companies must explain investment risks and confirm investor suitability
  • Unsolicited investment recommendation prohibition: Cold calling and door-to-door sales restricted (Article 46)
  • Prohibition on unfair trading: Market manipulation, insider trading, and fraudulent trading prohibited (Articles 172–180)

Prohibition on Short Selling

Following the COVID-19 pandemic, South Korea temporarily banned short selling of stocks (March 2020–May 2021, reinstated with enhanced disclosure requirements). A further ban was imposed in November 2023 through mid-2024.

Korea Exchange (KRX)

The KRX, formed by the 2005 merger of the Korea Stock Exchange, KOSDAQ, and Korea Futures Exchange, operates:

  • KOSPI market: Blue-chip companies (capitalization-weighted index)
  • KOSDAQ market: Small and medium enterprises, technology companies
  • KONEX market: Startup and venture companies (introduced 2013)

Listing Requirements

Listing on KOSPI requires minimum equity capitalization (KRW 30 billion), profitability, and free float (25%). KOSDAQ has relaxed requirements for technology companies.

Insider Trading and Market Abuse

FISCMA prohibits insider trading (Article 174) on the basis of material non-public information. Penalties include:

  • Criminal penalties: Up to life imprisonment for market manipulation (increased penalties for unfair trading)
  • Administrative fines: Up to twice the profits gained or losses avoided
  • Civil liability: Damages to investors who traded contemporaneously

The FSC and FSS use advanced market surveillance systems (including AI-based monitoring) to detect suspicious trading patterns.

Disclosure Requirements

Listed companies must:

  • Disclose material facts immediately upon occurrence (public disclosure obligation)
  • File periodic reports (quarterly and annual)
  • Disclose major shareholder holdings (5% rule)
  • Comply with continuous disclosure requirements

Conclusion

South Korean securities law provides a comprehensive, modern regulatory framework supporting one of Asia’s most active capital markets. FISCMA’s unified approach, combined with strict enforcement against market abuse and ongoing short selling debates, defines the current securities law landscape.