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What is the Korean Stock Market? The Korean Stock Exchange, officially known as KRX (Korea Exchange), is one of Asia’s largest stock markets. It is operated by the Korea Exchange and headquartered in Busan, South Korea. KRX consists of three main markets: KOSPI – Korea Composite Stock Price Index (large-cap) KOSDAQ – Korea Securities Dealers Automated Quotations (small/mid-cap, tech-focused) KONEX – Korea New Exchange (startups and SMEs) KOSPI vs KOSDAQ KOSPI KOSDAQ Focus Large-cap, blue-chip Small/mid-cap, tech Listed companies ~800 ~1,600 Key stocks Samsung, Hyundai, LG Kakao, Celltrion Comparison Similar to NYSE Similar to NASDAQ Key Facts Total market cap: Approximately $2 trillion USD Trading currency: Korean Won (KRW) Settlement: T+2 Regulator: Financial Services Commission (FSC) Why Invest in Korean Stocks? Tech giants at a discount – Samsung, SK Hynix trade at lower valuations than US peers K-wave beneficiaries – Entertainment, beauty, and content companies EV battery leaders – LG Energy Solution, Samsung SDI, SK On Semiconductor exposure – Korea is home to two of the world’s top chip makers Next Steps Ready to start investing? Read our next guide on KOSPI vs KOSDAQ differences.

Overview When investing in Korean stocks, you’ll encounter two main markets: KOSPI and KOSDAQ. Understanding the difference is essential before you start trading. KOSPI (Korea Composite Stock Price Index) KOSPI is Korea’s main board — think of it as the Korean equivalent of the NYSE or S&P 500. Key characteristics: Established in 1956 Home to Korea’s largest companies (Samsung Electronics, Hyundai Motor, POSCO) More stable, lower volatility Dominated by institutional and foreign investors Stricter listing requirements Top KOSPI stocks: ...

Can Foreigners Buy Korean Stocks? Yes! Foreign investors can legally invest in Korean stocks. However, there are some registration requirements depending on your situation. Option 1: Korean Domestic Brokers Mirae Asset Securities Most internationally friendly Korean broker English support available Global trading platform Best for: Serious investors wanting direct KRX access Korea Investment & Securities Provides KIS API for algorithmic trading Strong mobile app Best for: Algo traders and developers Kiwoom Securities Most popular among retail traders Low fees Best for: Active traders Option 2: International Brokers with KRX Access Interactive Brokers Direct KRX access Competitive fees (~0.08%) English interface Best for: Most foreign investors outside Korea Fee Comparison Broker Commission Min Fee Interactive Brokers 0.08% $1 Mirae Asset Global 0.1-0.3% Varies Kiwoom 0.015% 1,000 KRW Korea Investment 0.015% 1,000 KRW My Recommendation For most foreigners: Start with Interactive Brokers — easiest setup, English interface, direct KRX access. ...

Korean Stock Market Trading Hours The Korean Stock Exchange (KRX) operates Monday through Friday, excluding Korean public holidays. Regular Trading Hours Session KST EST (UTC-5) GMT (UTC+0) Pre-market 08:00 – 09:00 18:00 – 19:00 (prev day) 23:00 – 00:00 (prev day) Regular market 09:00 – 15:30 19:00 – 01:30 00:00 – 06:30 After-hours 15:40 – 18:00 01:40 – 04:00 06:40 – 09:00 Key Notes Lunch break: No lunch break (continuous trading) Settlement: T+2 (two business days) Currency: Korean Won (KRW) For US-Based Investors If you’re based in the US, Korean market hours overlap with your evening/night hours: ...

Short Selling in Korea: Overview Short selling in Korea is heavily regulated compared to the US market. Korea has a history of temporarily banning short selling during market crises, which is a unique characteristic of the KRX. Types of Short Selling in Korea 1. Covered Short Selling Borrowing shares before selling Legal and allowed (with restrictions) Must have borrowed shares confirmed before selling 2. Naked Short Selling Selling shares without borrowing them first Illegal in Korea Heavy penalties for violations Who Can Short Sell? Investor Type Short Selling Allowed? Foreign institutional investors Yes Domestic institutional investors Yes Retail investors Yes (since 2025) Korea’s Short Selling Bans Korea has banned short selling multiple times: ...

What Are Korean ETFs? Korean ETFs trade on the KRX just like stocks. They’re an easy way to get exposure to Korean markets without picking individual stocks. The Big Three Korean ETF Providers TIGER ETFs (Mirae Asset) Korea’s largest ETF provider Wide product range Popular funds: TIGER 200, TIGER NASDAQ100 KODEX ETFs (Samsung Asset Management) Second largest provider High liquidity Popular funds: KODEX 200, KODEX Leverage KINDEX ETFs (Korea Investment Trust) Smaller but competitive Popular funds: KINDEX 200 Must-Know Korean ETFs ETF Ticker Description Expense Ratio TIGER 200 102110 Top 200 KOSPI stocks 0.05% KODEX 200 069500 Top 200 KOSPI stocks 0.15% TIGER NASDAQ100 133690 US NASDAQ 100 exposure 0.07% KODEX Leverage 122630 2x KOSPI 200 0.64% TIGER EV Battery 305540 EV Battery sector 0.40% KODEX Semiconductor 091160 Semiconductor sector 0.45% For Foreign Investors If you’re outside Korea, consider these alternatives for Korean market exposure: ...

Korean Stock Market Holidays 2026 The KRX (Korea Exchange) is closed on all Korean national holidays and weekends. Here is the complete list for 2026. Full Holiday Calendar Date Day Holiday January 1 Thursday New Year’s Day January 28-30 Wed-Fri Lunar New Year March 1 Sunday Independence Movement Day May 5 Tuesday Children’s Day May 25 Monday Buddha’s Birthday June 6 Saturday Memorial Day August 17 Monday Liberation Day (observed) September 28-30 Mon-Wed Chuseok (Harvest Festival) October 3 Friday National Foundation Day October 9 Thursday Hangul Day December 25 Friday Christmas Key Notes for Traders When a holiday falls on a weekend, the market may observe it on the nearest weekday Lunar New Year and Chuseok are the longest holiday periods (2-4 days) Trading volume is typically low in the days before major holidays After long holidays, markets can be volatile as positions are adjusted Planning Your Trades Before holidays: ...

What is the KIS API? The KIS API (Korea Investment & Securities API) is a REST/WebSocket API that allows developers to: Get real-time stock quotes Place buy/sell orders programmatically Access account balance and portfolio data Stream real-time market data via WebSocket Prerequisites A Korea Investment & Securities brokerage account KIS API access approval Python 3.8+ installed Step 1: Open a KIS Account Visit the Korea Investment & Securities website and apply for an account. Foreigners can apply online in many cases. ...

Overview Getting a KIS API key requires a Korea Investment & Securities account. This guide walks you through the entire process. Requirements Valid ID (passport for foreigners) Korean phone number OR Korea-based identity verification Bank account for funding Step 1: Create KIS Account Visit the Korea Investment & Securities website and select non-face-to-face account opening. For foreigners: Prepare your passport You may need to visit a branch in person depending on your nationality Some nationalities can complete the process online Step 2: Enable API Trading Log into HTS or the mobile app Go to the API application menu Agree to terms and conditions Select API type: Real trading or Paper trading (모의투자) Tip: Start with Paper trading to test your code before using real money. ...

What is pykrx? pykrx is an open-source Python library that pulls data from the KRX website. It is the easiest way to get Korean stock market data without needing a paid API. Installation pip install pykrx Basic Usage Get Stock Price History from pykrx import stock # Get Samsung Electronics (005930) price history df = stock.get_market_ohlcv_by_date("20240101", "20241231", "005930") print(df.head()) Get All KOSPI Tickers from pykrx import stock # Get all KOSPI tickers tickers = stock.get_market_ticker_list(market="KOSPI") print(f"Total KOSPI stocks: {len(tickers)}") # Get company name from ticker name = stock.get_market_ticker_name("005930") print(f"005930 = {name}") # Samsung Electronics Get Market Cap Data # Get market cap for all KOSPI stocks df = stock.get_market_cap_by_ticker("20241231", market="KOSPI") print(df.sort_values("시가총액", ascending=False).head(10)) Get Fundamental Data # Get PER, PBR, dividend yield df = stock.get_market_fundamental_by_ticker("20241231", market="KOSPI") print(df[["PER", "PBR", "DIV"]].head()) Building a Simple Screener from pykrx import stock def screen_low_per_stocks(market="KOSPI", max_per=10): today = "20241231" fundamentals = stock.get_market_fundamental_by_ticker(today, market=market) low_per = fundamentals[ (fundamentals["PER"] > 0) & (fundamentals["PER"] < max_per) ] low_per["name"] = [stock.get_market_ticker_name(t) for t in low_per.index] return low_per[["name", "PER", "PBR", "DIV"]].sort_values("PER") results = screen_low_per_stocks() print(results.head(20)) pykrx vs KIS API Comparison Feature pykrx KIS API Real-time data No Yes Historical data Yes Yes Order placement No Yes Cost Free Free (with account) Best for Research, backtesting Live trading