Real-Time Stock Quotes via KIS WebSocket (H0STASP0/H0STCNT0)

한국어로 읽기 TECH INSIGHT / EXPLAINED Streaming quotes are useful only when the parser, subscription state, and freshness checks agree. KIS exposes distinct real-time channels; treat each as a versioned schema, not as an interchangeable array of numbers.

6월 26, 2026