kr-adjust

Survivorship-free corporate-action adjustment factors for KOSPI/KOSDAQ stocks, including delisted ones. Every factor cites the OpenDART filing it came from. Factors only — bring your own prices.

GET /v1/factors?stock_code=005930events, factors, cumulative factor, filing links
POST /v1/adjust{stock_code, prices:[{date, close}], method:"backward"|"forward"}
GET /v1/delisted?from=&to=delisted stocks in a date range
GET /v1/version, /v1/health, /openapi.jsonmeta

Covered events: 무상증자, 유상증자(주주배정, theoretical ex-rights), 유무상증자, 주식분할, 주식병합, 감자(병합), 주식배당. Ex-dates follow the KRX T+2 rule on the KRX trading calendar.