J-Quants Markets API
Market-structure datasets under /v2/markets/* - trading calendar, short sale position reports, short ratio by sector, weekly margin interest, daily margin alerts, and breakdown trading data.
Market-structure datasets under /v2/markets/* - trading calendar, short sale position reports, short ratio by sector, weekly margin interest, daily margin alerts, and breakdown trading data.
Every API here is available over the APIs.io API and to AI agents over MCP.