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v1

latestOpenAPI 3.0.32026-07-246185298.2 KB
Short Interest

Short Interest

Unlock a detailed view of short interest activity for securities worldwide. This endpoint provides rich and actionable insights into short interest metrics, offering you a clear perspective on market behavior for a given day.

This API returns data for multiple stocks in an index for the specified date.

Available Data Points:

  • Date: The specific date for which the data is retrieved (YYYY-MM-DD format).

  • Operating MIC: The operating Market Identifier Code of the security.

  • Ticker: The ticker symbol associated with the security.

  • Exchange: Symbol of the exchange where the security trades.

  • Company: The name of the company issuing the security.

  • FIGI The Financial Instrument Global Identifier.

  • Share Class FIGI: The Financial Instrument Global Identifier for the share class.

  • Short Interest Shares: A precise estimation of shares currently shorted.

  • Percentage of Free Float: The estimated percentage of short interest relative to the security's free float.

  • Short Interest Value in USD: Calculated as (shortInterestShares * closing price in USD).

  • Short Score: ORTEX composite score (0–100) indicating relative short-selling pressure.

Try it out! You can test the API with the trial key TEST. Simply include it in your request headers; either here, or add the header "Ortex-Api-Key": "TEST" to your http request.

Trial key restrictions: A list of randomly selected rows will be returned

Get full access! Get a key at app.ortex.com/apis

get/api/v1/index/short_interest

Query parameters

datestring date

Date for shorts data (defaults to last available date). Format: YYYY-MM-DD

format'csv' | 'json'

Format of the response. Can be "json" or "csv". Default is "json".

index'Europe Top 600' | 'UK Top 100' | 'US-N 100' | 'US-S 500'

An index name to list all the stocks from

pageinteger

A page number within the paginated result set.

page_sizeinteger

Number of results to return per page.

portfolio_namestring

Filter results to stocks held in a user portfolio, matched case-insensitively against the portfolio name. When provided, the index parameter is ignored.

Response

paginationLinksobject
lengthinteger required

Example response

{
  "paginationLinks": {
    "next": "http://api.example.org/accounts/?page=4",
    "previous": "http://api.example.org/accounts/?page=2"
  },
  "length": 123
}