Comparison

Overview If you’re building a Korean stock trading system in Python, you’ll encounter two main tools: KIS API and pykrx. Here’s a detailed breakdown of when to use each. What is pykrx? pykrx is an open-source library that scrapes publicly available data from the KRX website. It requires no account or API key. Best for: Historical data research Backtesting trading strategies Stock screening and analysis Learning and prototyping What is KIS API? KIS API is the official API from Korea Investment & Securities. It requires a brokerage account and API approval. ...

Overview The Korean stock market (KRX) and US stock market (NYSE/NASDAQ) share many similarities but have important structural differences that every investor should understand. Key Differences at a Glance Factor Korean Market (KRX) US Market (NYSE/NASDAQ) Daily price limit ±30% None Short selling Heavily restricted Broadly allowed Market hours 9:00-15:30 KST 9:30-16:00 EST Pre/after market Limited Extended (4AM-8PM) Settlement T+2 T+1 Circuit breakers Multiple levels Single level Retail participation Very high (~70%) Lower (~30%) Insider trading rules Strict Strict Daily Price Limits One of the most distinctive features of the Korean market: stocks cannot move more than ±30% in a single day. ...