Api Short Interest

Short interest data with FINRA trend.

F4 boundary backfill 2026-05-08: response_model added. Manual JSONResponse retained because the error path uses a custom 400/500 status code; FastAPI uses the model for OpenAPI schema gen, not response serialization.

get/api/short-interest

Request

  • Base URL: https://www.oxfordledge.com (the document declares no server; this is the origin it was published from)
  • URL: https://www.oxfordledge.com/api/short-interest
  • Auth: none declared

Query parameters

tickerstring nullable

Response

Successful Response

tickerstring required

Uppercase ticker echo. Always present so the FE can verify the response matches the request.

shortPctnumber nullable

Short interest as percentage of float (Finnhub). None when source unavailable.

shortRationumber nullable

Days-to-cover ratio. None when source unavailable.

sharesShortinteger nullable

Absolute share count short. None when source unavailable.

momChangeinteger nullable

Month-over-month delta in shares short. None when prior period unavailable.

momChangePctnumber nullable

Month-over-month delta as percentage.

errorstring nullable

Error message — present iff the data fetch failed (5xx envelope). Mutually exclusive with the metric fields.

Changes

No recorded changes to this operation across all 1 revision of this API.